ICD-9 to ICD-10 Conversion Commonly Used Neurologic Diagnosis

327.20 Organic sleep apnea, unspecified . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

331.0 Alzheimer’s disease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

333.1 Essential and other specified forms of tremor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

340 Multiple sclerosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

346.00 Migraine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

356.0 Hereditary peripheral neuropathy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

359.0 Congenital hereditary muscular dystrophy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

386.11 Benign paroxysmal positional vertigo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

780.2 Syncope and collapse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

784.0 Headache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

AMERICAN ACADEMY OF NEUROLOGY 1

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

327.20 Organic sleep apnea, unspecified

G47.30 Sleep apnea, unspecified

G47.31 Primary central sleep apnea

G47.32 High altitude periodic breathing

G47.33 Obstructive sleep apnea (adult) (pediatric)

G47.34 Idiopathic sleep related nonobstructive alveolar hypoventilation

G47.35 Congenital central alveolar hypoventilation syndrome

G47.36 Sleep related hypoventilation in conditions classified elsewhere

G47.37 Central sleep apnea in conditions classified elsewhere

G47.39 Other sleep apnea

Code also any associated underlying condition when reporting codes from category G47

Code first underlying condition when reporting codes G47.36 and G47.37

327.21 Primary central sleep apnea

G47.31 Primary central sleep apnea

No additional codes Code also any associated underlying condition when reporting codes from category G47

327.22 High altitude periodic breathing

G47.32 High altitude periodic breathing

No additional codes Code also any associated underlying condition when reporting codes from category G47

327.23 Obstructive sleep apnea (adult) (pediatric)

G47.33 Obstructive sleep apnea (adult) (pediatric)

No additional codes Code also any associated underlying condition when reporting codes from category G47

327.24 Idiopathic sleep related non-obstructive alveolar hypoventilation

G47.34 Idiopathic sleep related nonobstructive alveolar hypoventilation

No additional codes Code also any associated underlying condition when reporting codes from category G47

327.25 Congenital central alveolar hypoventilation syndrome

G47.35 Congenital central alveolar hypoventilation syndrome

No additional codes Code also any associated underlying condition when reporting codes from category G47

ICD-9 to ICD-10 conversion of organic sleep apnea, unspecified

AMERICAN ACADEMY OF NEUROLOGY 2

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

327.26 Sleep related hypoventilation/ hypoxemia in conditions classifiable elsewhere

G47.36 leep related hypoventilation in conditions classified elsewhere

No additional codes Code also any associated underlying condition when reporting codes from category G47

Code first underlying condition when reporting codes G47.36 and G47.37

327.27 Central sleep apnea in conditions classified elsewhere

G47.37 Central sleep apnea in conditions classified elsewhere

No additional codes Code also any associated underlying condition when reporting codes from category G47

Code first underlying condition when reporting codes G47.36 and G47.37

327.29 Other organic sleep apnea

G47.39 Other sleep apnea G47.30 Sleep apnea, unspecified

G47.31 Primary central sleep apnea

G47.32 High altitude periodic breathing

G47.33 Obstructive sleep apnea (adult) (pediatric)

G47.34 Idiopathic sleep related nonobstructive alveolar hypoventilation

G47.35 Congenital central alveolar hypoventilation syndrome

G47.36 Sleep related hypoventilation in conditions classified elsewhere

G47.37 Central sleep apnea in conditions classified elsewhere

Code also any associated underlying condition when reporting codes from category G47

Code first underlying condition when reporting codes G47.36 and G47.37

ICD-9 to ICD-10 conversion of organic sleep apnea, unspecified

AMERICAN ACADEMY OF NEUROLOGY 3

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

331.0 Alzheimer’s disease G30.9 Alzheimer’s disease, unspecified

G30.0 Alzheimer’s disease with early onset

G30.1 Alzheimer’s disease with late onset

G30.8 Other Alzheimer’s disease

Use additional code to identify: delirium, if applicable (F05) dementia with behavioral disturbance (F02.81) dementia without behavioral disturbance (F02.80) when reporting category G30

ICD-9 to ICD-10 conversion of alzheimer’s disease

AMERICAN ACADEMY OF NEUROLOGY 4

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

333.1 Essential and other specified forms of tremor

G25.0 Essential tremor

G25.1 Drug-induced tremor

G25.2 Other specified forms of tremor

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting code G25.0

ICD-9 to ICD-10 conversion of essential and other specified forms of tremor

AMERICAN ACADEMY OF NEUROLOGY 5

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

340 Multiple sclerosis G35 Multiple sclerosis No additional codes

ICD-9 to ICD-10 conversion of multiple sclerosis

AMERICAN ACADEMY OF NEUROLOGY 6

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.00 Migraine with aura, without mention of intractable migraine without mention of status migrainosus

G43.109 Migraine with aura, not intractable, without status migrainosus

G43.119 Migraine with aura, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also any associated seizure (G40.-, R56.9) when reporting codes from subcategory G43.1

346.01 Migraine with aura, with intractable migraine, so stated, without mention of status migrainosus

G43.119 Migraine with aura, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also any associated seizure (G40.-, R56.9) when reporting codes from subcategory G43.1

346.02 Migraine with aura, without mention of intractable migraine with status migrainosus

G43.101 Migraine with aura, not intractable, with status migrainosus

G43.111 Migraine with aura, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also any associated seizure (G40.-, R56.9) when reporting codes from subcategory G43.1

346.03 Migraine with aura, with intractable migraine, so stated, with status migrainosus

G43.111 Migraine with aura, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also any associated seizure (G40.-, R56.9) when reporting codes from subcategory G43.1

346.10 Migraine without aura, without mention of intractable migraine without mention of status migrainosus

G43.009 Migraine without aura, not intractable, without status migrainosus

G43.019 Migraine without aura, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.11 Migraine without aura, with intractable migraine, so stated, without mention of status migrainosus

G43.019 without aura, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.12 Migraine without aura, without mention of intractable migraine with status migrainosus

G43.001 Migraine without aura, not intractable, with status migrainosus

G43.011 Migraine without aura, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 7

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.13 Migraine without aura, with intractable migraine, so stated, with status migrainosus

G43.011 Migraine without aura, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.20 Variants of migraine, not elsewhere classified, without mention of intractable migraine without mention of status migrainosus

G43.809 Other migraine, not intractable, without status migrainosus

G43.819 Other migraine, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

G43.A0 Cyclical vomiting, not intractable

G43.A1 Cyclical vomiting, intractable

G43.B0 Ophthalmoplegic migraine, not intractable

G43.B1 Ophthalmoplegic migraine, intractable

G43.C0 Periodic headache syndromes in child or adult, not intractable

G43.C1 Periodic headache syndromes in child or adult, intractable

G43.D0 Ophthalmoplegic migraine, not intractable

G43.D1 Abdominal migraine, intractable

346.21 Variants of migraine, not elsewhere classified, with intractable migraine, so stated, without mention of status migrainosus

G43.819 Other migraine, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43G43.A1 Cyclical vomiting,

intractable

G43.B1 Ophthalmoplegic migraine, intractable

G43.C1 Periodic headache syndromes in child or adult, intractable

G43.D1 Abdominal migraine, intractable

346.22 Variants of migraine, not elsewhere classified, without mention of intractable migraine with status migrainosus

G43.801 Other migraine, not intractable, with status migrainosus

G43.811 Other migraine, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.23 Variants of migraine, not elsewhere classified, with intractable migraine, so stated, with status migrainosus

G43.811 Other migraine, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.30 Hemiplegic migraine, without mention of intractable migraine without mention of status migrainosus

G43.409 Hemiplegic migraine, not intractable, without status migrainosus

G43.419 Hemiplegic migraine, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 8

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.31 Hemiplegic migraine, with intractable migraine, so stated, without mention of status migrainosus

G43.419 Hemiplegic migraine, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.32 Hemiplegic migraine, without mention of intractable migraine with status migrainosus

G43.401 Hemiplegic migraine, not intractable, with status migrainosus

G43.411 Hemiplegic migraine, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.33 Hemiplegic migraine, with intractable migraine, so stated, with status migrainosus

G43.411 Hemiplegic migraine, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.40 Menstrual migraine, without mention of intractable migraine without mention of status migrainosus

G43.829 Menstrual migraine, not intractable, without status migrainosus

G43.839Menstrual migraine, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.41 Menstrual migraine, with intractable migraine, so stated, without mention of status migrainosus

G43.839 Menstrual migraine, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.42 Menstrual migraine, without mention of intractable migraine with status migrainosus

G43.821 Menstrual migraine, not intractable, with status migrainosus

G43.831 Menstrual migraine, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.43 Menstrual migraine, with intractable migraine, so stated, with status migrainosus

G43.831 Menstrual migraine, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.50 Persistent migraine aura without cerebral infarction, without mention of intractable migraine without mention of status migrainosus

G43.509 Persistent migraine aura without cerebral infarction, not intractable, without status migrainosus

G43.519 Persistent migraine aura without cerebral infarction, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.51 Persistent migraine aura without cerebral infarction, with intractable migraine, so stated, without mention of status migrainosus

G43.519 Persistent migraine aura without cerebral infarction, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 9

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.52 Persistent migraine aura without cerebral infarction, without mention of intractable migraine with status migrainosus

G43.501 Persistent migraine aura without cerebral infarction, not intractable, with status migrainosus

G43.511 Persistent migraine aura without cerebral infarction, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.53 Persistent migraine aura without cerebral infarction, with intractable migraine, so stated, with status migrainosus

G43.511 Persistent migraine aura without cerebral infarction, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.60 Persistent migraine aura with cerebral infarction, without mention of intractable migraine without mention of status migrainosus

G43.609 Persistent migraine aura with cerebral infarction, not intractable, without status migrainosus

G43.619 Persistent migraine aura with cerebral infarction, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also the type of cerebral infarction (I63.-) when reporting codes from subcategory G43.6

346.61 Persistent migraine aura with cerebral infarction, with intractable migraine, so stated, without mention of status migrainosus

G43.619 Persistent migraine aura with cerebral infarction, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also the type of cerebral infarction (I63.-) when reporting codes from subcategory G43.6

346.62 Persistent migraine aura with cerebral infarction, without mention of intractable migraine with status migrainosus

G43.601 Persistent migraine aura with cerebral infarction, not intractable, with status migrainosus

G43.611 Persistent migraine aura with cerebral infarction, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also the type of cerebral infarction (I63.-) when reporting codes from subcategory G43.6

346.63 Persistent migraine aura with cerebral infarction, with intractable migraine, so stated, with status migrainosus

G43.611 Persistent migraine aura with cerebral infarction, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also the type of cerebral infarction (I63.-) when reporting codes from subcategory G43.6

346.70 Chronic migraine without aura, without mention of intractable migraine without mention of status migrainosus

G43.709 Chronic migraine without aura, not intractable, without status migrainosus

G43.719 Chronic migraine without aura, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 10

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.71 Chronic migraine without aura, with intractable migraine, so stated, without mention of status migrainosus

G43.719 Chronic migraine without aura, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.72 Chronic migraine without aura, without mention of intractable migraine with status migrainosus

G43.701 Chronic migraine without aura, not intractable, with status migrainosus

G43.711 Chronic migraine without aura, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.73 Chronic migraine without aura, with intractable migraine, so stated, with status migrainosus

G43.711 Chronic migraine without aura, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.80 Other forms of migraine, without mention of intractable migraine without mention of status migrainosus

G43.809 Other migraine, not intractable, without status migrainosus

G43.819 Other migraine, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.81 Other forms of migraine, with intractable migraine, so stated, without mention of status migrainosus

G43.819 Other migraine, intractable, without status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.82 Other forms of migraine, without mention of intractable migraine with status migrainosus

G43.801 Other migraine, not intractable, with status migrainosus

G43.811 Other migraine, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

346.83 Other forms of migraine, with intractable migraine, so stated, with status migrainosus

G43.811 Other migraine, intractable, with status migrainosus

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 11

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.90 Migraine, unspecified, without mention of intractable migraine without mention of status migrainosus

G43.909 Migraine, unspecified, not intractable, without status migrainosus

G43.009 Migraine without aura, not intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also any associated seizure (G40.-, R56.9) when reporting codes from subcategory G43.1

Code also the type of cerebral infarction (I63.-) when reporting codes from subcategory G43.6

G43.109 Migraine with aura, not intractable, without status migrainosus

G43.409 Hemiplegic migraine, not intractable, without status migrainosus

G43.509 Persistent migraine aura without cerebral infarction, not intractable, without status migrainosus

G43.609 Persistent migraine aura with cerebral infarction, not intractable, without status migrainosus

G43.709 Chronic migraine without aura, not intractable, without status migrainosus

G43.B0 Ophthalmoplegic migraine, not intractable

G43.D0 Ophthalmoplegic migraine, not intractable

G43.809 Other migraine, not intractable, without status migrainosus

G43.829 Menstrual migraine, not intractable, without status migrainosus

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 12

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.91 Migraine, unspecified, with intractable migraine, so stated, without mention of status migrainosus

G43.919 Migraine, unspecified, intractable, without status migrainosus

G43.019 Migraine without aura, intractable, without status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also any associated seizure (G40.-, R56.9) when reporting codes from subcategory G43.1

Code also the type of cerebral infarction (I63.-) when reporting codes from subcategory G43.6

G43.119 Migraine with aura, intractable, without status migrainosus

G43.419 Hemiplegic migraine, intractable, without status migrainosus

G43.519 Persistent migraine aura without cerebral infarction, intractable, without status migrainosus

G43.619 Persistent migraine aura with cerebral infarction, intractable, without status migrainosus

G43.719 Chronic migraine without aura, intractable, without status migrainosus

G43.B1 Ophthalmoplegic migraine, intractable

G43.D1 Abdominal migraine, intractable

G43.819 Other migraine, intractable, without status migrainosus

G43.839 Menstrual migraine, intractable, without status migrainosus

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 13

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.92 Migraine, unspecified, without mention of intractable migraine with status migrainosus

G43.901 Migraine, unspecified, not intractable, with status migrainosus

G43.001 Migraine without aura, not intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also any associated seizure (G40.-, R56.9) when reporting codes from subcategory G43.1

Code also the type of cerebral infarction (I63.-) when reporting codes from subcategory G43.6

G43.101 Migraine with aura, not intractable, with status migrainosus

G43.401 Hemiplegic migraine, not intractable, with status migrainosus

G43.501 Persistent migraine aura without cerebral infarction, not intractable, with status migrainosus

G43.601 Persistent migraine aura with cerebral infarction, not intractable, with status migrainosus

G43.701 Chronic migraine without aura, not intractable, with status migrainosus

G43.B0 Ophthalmoplegic migraine, not intractable

G43.D0 Abdominal migraine, not intractable

G43.801 Other migraine, not intractable, with status migrainosus

G43.821 Menstrual migraine, not intractable, with status migrainosus

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 14

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

346.93 Migraine, unspecified, with intractable migraine, so stated, with status migrainosus

G43.911 Migraine, unspecified, intractable, with status migrainosus

G43.011 Migraine without aura, intractable, with status migrainosus

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G43

Code also any associated seizure (G40.-, R56.9) when reporting codes from subcategory G43.1

Code also the type of cerebral infarction (I63.-) when reporting codes from subcategory G43.6

G43.111 Migraine with aura, intractable, with status migrainosus

G43.411 Hemiplegic migraine, intractable, with status migrainosus

G43.511 Persistent migraine aura without cerebral infarction, intractable, with status migrainosus

G43.611 Persistent migraine aura with cerebral infarction, intractable, with status migrainosus

G43.711 Chronic migraine without aura, intractable, with status migrainosus

G43.B1 Ophthalmoplegic migraine, intractable

G43.D1 Abdominal migraine, intractable

G43.811 Other migraine, intractable, with status migrainosus

G43.831 Menstrual migraine, intractable, with status migrainosus

ICD-9 to ICD-10 conversion of migraine

AMERICAN ACADEMY OF NEUROLOGY 15

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

356.0 Hereditary peripheral neuropathy

G60.0 Hereditary motor and sensory neuropathy

No additional codes

356.1 Peroneal muscular atrophy

G60.0 Hereditary motor and sensory neuropathy

No additional codes

356.2 Hereditary sensory neuropathy

G60.0 Hereditary motor and sensory neuropathy

No additional codes

356.3 Refsum’s disease G60.1 Refsum’s disease No additional codes

356.4 Idiopathic progressive polyneuropathy

G60.3 Idiopathic progressive neuropathy

No additional codes

356.8 Other specified idiopathic peripheral neuropathy

G60.8 Other hereditary and idiopathic neuropathies

G60.0 Hereditary motor and sensory neuropathy

G60.1 Refsum’s diseasew

G60.2 Neuropathy in association with hereditary ataxia

G60.3 Idiopathic progressive neuropathy

356.9 Unspecified hereditary and idiopathic peripheral neuropathy

G60.9 Hereditary and idiopathic neuropathy, unspecified

G60.0 Hereditary motor and sensory neuropathy

G60.1 Refsum’s disease

G60.2 Neuropathy in association with hereditary ataxia

G60.3 Idiopathic progressive neuropathy

G60.8 Other hereditary and idiopathic neuropathies

ICD-9 to ICD-10 conversion of hereditary peripheral neuropathy

AMERICAN ACADEMY OF NEUROLOGY 16

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

359.0 Congenital hereditary muscular dystrophy

G71.2 Congenital myopathies No additional codes

359.1 Hereditary progressive muscular dystrophy

G71.0 Muscular dystrophy No additional codes

359.21 Myotonic muscular dystrophy

G71.11 Myotonic muscular dystrophy

No additional codes

359.22 Myotonia congenita G71.12 Myotonia congenita No additional codes

359.23 Myotonic chondrodystrophy

G71.13 Myotonic chondrodystrophy

No additional codes

359.24 Drug-induced myotonia

G71.14 Drug-induced myotonia

No additional codes Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting code G71.14

359.29 Other specified myotonic disorder

G71.19 Other specified myotonic disorders

G71.11 Myotonic muscular dystrophy

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting code G71.14

G71.12 Myotonia congenita

G71.13 Myotonic chondrodystrophy

G71.14 Drug induced myotonia

G71.2 Congenital myopathies

G71.3 Mitochondrial myopathy, not elsewhere classified

G71.8 Other primary disorders of muscles

359.3 Periodic paralysis G72.3 Periodic paralysis No additional codes

359.4 Toxic myopathy G72.2 Myopathy due to other toxic agents

No additional codes Code first (T51-T65) to identify toxic agent when reporting code G72.2

359.5 Myopathy in endocrine diseases classified elsewhere

G73.7 Myopathy in diseases classified elsewhere

No additional codes Code first underlying disease, such as: hyperparathyroidism (E21.0, E21.3) hypoparathyroidism (E20.-) glycogen storage disease (E74.0) lipid storage disorders (E75.-) when reporting code G73.7

359.6 Symptomatic inflammatory myopathy in diseases classified elsewhere

G73.7 Myopathy in diseases classified elsewhere

No additional codes Code first underlying disease, such as: hyperparathyroidism (E21.0, E21.3) hypoparathyroidism (E20.-) glycogen storage disease (E74.0) lipid storage disorders (E75.-) when reporting code G73.7

ICD-9 to ICD-10 conversion of congenital hereditary muscular dystrophy

AMERICAN ACADEMY OF NEUROLOGY 17

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

359.71 Inclusion body myositis [IBM]

G72.41 Inclusion body myositis [IBM]

No additional codes

359.79 Other inflammatory and immune myopathies, NEC

G72.49 Other inflammatory and immune myopathies, not elsewhere classified

G72.41 Inclusion body myositis [IBM]

G72.49 Other inflammatory and immune myopathies, not elsewhere classified

359.81 Critical illness myopathy G72.81 Critical illness myopathy No additional codes

359.89 Other myopathies G72.89 Other specified myopathies

G71.3 Mitochondrial myopathy, not elsewhere classified

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G72

Use additional code to identify alcoholism (F10.-) when reporting code G72.1

Code first (T51-T65) to identify toxic agent when reporting code G72.2

G72.0 Drug-induced myopathy

G72.1 Alcoholic myopathy

G72.2 Myopathy due to other toxic agents

G72.3 Periodic paralysis

G72.41 Inclusion body myositis [IBM]

G72.49 Other inflammatory and immune myopathies, not elsewhere classified

G72.81 Critical illness myopathy

359.9 Myopathy, unspecified G72.9 Myopathy, unspecified G71.3 Mitochondrial myopathy, not elsewhere classified

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) when reporting codes from category G72

Use additional code to identify alcoholism (F10.-) when reporting code G72.1

Code first (T51-T65) to identify toxic agent when reporting code G72.2

G72.0 Drug-induced myopathy

G72.1 Alcoholic myopathy

G72.2 Myopathy due to other toxic agents

G72.3 Periodic paralysis

G72.41 Inclusion body myositis [IBM]

G72.49 Other inflammatory and immune myopathies, not elsewhere classified

G72.81 Critical illness myopathy

G72.89 Other specified myopathies

ICD-9 to ICD-10 conversion of congenital hereditary muscular dystrophy

AMERICAN ACADEMY OF NEUROLOGY 18

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

386.11 Benign paroxysmal positional vertigo

H81.13 Benign paroxysmal vertigo, bilateral

H81.11 Benign paroxysmal vertigo, right ear

H81.12 Benign paroxysmal vertigo, left ear

ICD-9 to ICD-10 conversion of benign paroxysmal positional vertigo

AMERICAN ACADEMY OF NEUROLOGY 19

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

780.2 Syncope and collapse R55 Syncope and collapse G90.01 Carotid sinus syncope

T67.1XXA Heat syncope, initial encounter

T67.1XXD Heat syncope, subsequent encounter

T67.1XXS Heat syncope, sequela

ICD-9 to ICD-10 conversion of syncope and collapse

AMERICAN ACADEMY OF NEUROLOGY 20

ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

784.0 Headache R51 Headache No additional codes For additional I-10 coding options refer to categories G43 (migraine) and G44 (other headache syndromes)G44.10 Vascular headache,

NEC, not intractable

G44.11 Vascular headache, NEC, intractable

784.40 Voice and resonance disorder, unspecified

R49.9 Unspecified voice and resonance disorder

R49.0 Dysphonia

R49.1 Aphonia

R49.21 Hypernasality

R49.22 Hyponasality

R49.8 Other voice and resonance disorders

784.49 Other voice and resonance disorders

R49.8 Other voice and resonance disorders

R49.0 Dysphonia

R49.1 Aphonia

R49.21 Hypernasality

R49.22 Hyponasality

784.59 Other speech disturbance

R47.02 Dysphasia R47.01 Aphasia Code first underlying disease or condition, such as: Parkinson’s disease (G20) when reporting code R47.82

R47.81 Slurred speech R47.1 Dysarthria and anarthria

R47.89 Other speech disturbances

R47.82 Fluency disorder in conditions classified elsewhere

R47.9 Unspecified speech disturbances

R49.0 Dysphonia

R49.1 Aphonia

R49.21 Hypernasality

R49.22 Hyponasality

R49.8 Other voice and resonance disorders

784.60 Symbolic dysfunction, unspecified

R48.9 Unspecified symbolic dysfunctions

R48.0 Dyslexia and alexia For additional I-10 coding options refer to category F81, Specific developmental disorders of scholastic skills

R48.1 Agnosia

R48.2 Apraxia

R48.3 Visual agnosia

ICD-9 to ICD-10 conversion of headache

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ICD-9 Code and Description ICD-10 Code General Equivalency

Other ICD-10 Code Options Coding Guidelines

784.69 Other symbolic dysfunction

R48.1 Agnosia R48.0 Dyslexia and alexia For additional I-10 coding options refer to category F81, Specific developmental disorders of scholastic skills

R48.2 Apraxia R48.3 Visual agnosia

R48.8 Other symbolic dysfunctions

R48.9 Unspecified symbolic dysfunction

784.99 Other symptoms involving head and neck

R06.5 Mouth breathing R06.00 Dyspnea, unspecified

R06.7 Sneezing R06.01 Orthopnea

R06.89 Other abnormalities of breathing

R06.02 Shortness of breath

R19.6 Halitosis R06.09 Other forms of dyspnea

R06.1 Stridor

R06.2 Wheezing

R06.3 Periodic breathing

R06.4 Hyperventilation

R06.6 Hiccough

R06.81 Apnea, not elsewhere classified

R06.82 Tachypnea, not elsewhere classified

R06.83 Snoring

ICD-9 to ICD-10 conversion of headache