G43

Migraine

Non-billableCategory

Chapter: 6. Diseases of the nervous system

Section: G40-G47 - Episodic and paroxysmal disorders

Coding Guidelines

Excludes1 (Mutually Exclusive)

These codes should never be used together with G43

R51.9 - headache NOS (R51.9)
G44.00 - lower half migraine (G44.00)

Excludes2 (Not Included Here)

These conditions are not part of this code but may be reported additionally if documented

headache syndromes (G44.-)

Use Additional Code

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

Notes

the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled

Specific Codes (13)

G43.0Category

Migraine without aura

G43.1Category

Migraine with aura

G43.4Category

Hemiplegic migraine

G43.5Category

Persistent migraine aura without cerebral infarction

G43.6Category

Persistent migraine aura with cerebral infarction

G43.7Category

Chronic migraine without aura

G43.ACategory

Cyclical vomiting

G43.BCategory

Ophthalmoplegic migraine

G43.CCategory

Periodic headache syndromes in child or adult

G43.DCategory

Abdominal migraine

G43.8Category

Other migraine

G43.9Category

Migraine, unspecified

G43.ECategory

Chronic migraine with aura

G43