G43 Non-Billable Code
Migraine
Chapter Classification
Chapter 6
Diseases of the nervous system (G00-G99)
Section Detail
G40-G47
Episodic and paroxysmal disorders (G40-G47)
Coding Guidelines & Notes
excludes1
- headache NOS (R51.9)
- lower half migraine (G44.00)
excludes2
- headache syndromes (G44.-)
useAdditionalCode
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
More Specific Diagnosis Codes
This code is not billable as it requires a higher level of specificity. Select a more specific code below.
- 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
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