ICD-10-CM

Non-billable

G43

Classification

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Coding Guidance

G43 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.

Excludes 1

R51.9

headache NOS

G44.00

lower half migraine

Excludes 2

G44

headache syndromes

P04-P96

certain conditions originating in the perinatal period

A00-B99

certain infectious and parasitic diseases

O00-O9A

complications of pregnancy, childbirth and the puerperium

Q00-Q99

congenital malformations, deformations, and chromosomal abnormalities

E00-E88

endocrine, nutritional and metabolic diseases

S00-T88

injury, poisoning and certain other consequences of external causes

C00-D49

neoplasms

R00-R94

symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Use Additional Code

/codes/T36-T50

code for adverse effect, if applicable, to identify drug

More Specific Codes

G43.0

Migraine without aura

Persistent migraine aura without cerebral infarction

G43.6

Persistent migraine aura with cerebral infarction

G43.7

Chronic migraine without aura

G43.A

Cyclical vomiting

G43.B

Ophthalmoplegic migraine

G43.C

Periodic headache syndromes in child or adult

Migraine, unspecified

G43.E

Chronic migraine with aura

External Resources

2025 ICD-10 guidelines from CMS.gov