G43.0
Migraine without aura
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
G43code
G00-G99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
G43.0code
Inclusion terms
- Common migraine
G43code
Notes
- the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
Use additional code
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)T36-T50
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 12 same parent — G43
G43.1 Migraine with aura category G43.4 Hemiplegic migraine category G43.5 Persistent migraine aura without cerebral infarction category G43.6 Persistent migraine aura with cerebral infarction category G43.7 Chronic migraine without aura category G43.A Cyclical vomiting category G43.B Ophthalmoplegic migraine category G43.C Periodic headache syndromes in child or adult category G43.D Abdominal migraine category G43.8 Other migraine category G43.9 Migraine, unspecified category G43.E Chronic migraine with aura category
Subordinate codes 2
Medications 2
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.