AutoICD API

G43

Non-billable

Migraine

Migraine

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

G40-G47

Child Codes

13

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • headache syndromes (G44.-)

Use Additional Code

Additional codes that should follow this code

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Child Codes (13)

G43.0

Migraine without aura

G43.1

Migraine with aura

G43.4

Hemiplegic migraine

G43.5

Persistent migraine aura without cerebral infarction

G43.6

Persistent migraine aura with cerebral infarction

G43.7

Chronic migraine without aura

G43.8

Other migraine

G43.9

Migraine, unspecified

G43.A

Cyclical vomiting

G43.B

Ophthalmoplegic migraine

G43.C

Periodic headache syndromes in child or adult

G43.D

Abdominal migraine

G43.E

Chronic migraine with aura

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code G43?

ICD-10-CM code G43 represents "Migraine". It is a non-billable header code — use a more specific child code for billing purposes.

Is G43 a billable code?

No, G43 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 13 child codes under G43.

What chapter is G43 in?

G43 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What codes cannot be used with G43?

G43 has Excludes1 notes indicating codes that cannot be used together with it, including: headache NOS (R51.9); lower half migraine (G44.00).

What are the subcategories under G43?

G43 has 13 child codes, including: G43.0 (Migraine without aura), G43.1 (Migraine with aura), G43.4 (Hemiplegic migraine), G43.5 (Persistent migraine aura without cerebral infarction), and 9 more.

Are additional codes required with G43?

Yes, when using G43 you should also code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).

What are the UMLS CUIs for G43?

G43 is linked to 1 UMLS Concept Unique Identifier: C0149931. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.