G43.9
Header — not billableMigraine, unspecified
The ICD-10 code for migraine, unspecified is G43.9.
G43.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G43.0Migraine without auranon-billable header
- G43.1Migraine with auranon-billable header
- G43.4Hemiplegic migrainenon-billable header
- G43.5Persistent migraine aura without cerebral infarctionnon-billable header
- G43.6Persistent migraine aura with cerebral infarctionnon-billable header
- G43.7Chronic migraine without auranon-billable header
- G43.8Other migrainenon-billable header
- G43.ACyclical vomitingnon-billable header
- G43.BOphthalmoplegic migrainenon-billable header
- G43.CPeriodic headache syndromes in child or adultnon-billable header
- G43.DAbdominal migrainenon-billable header
- G43.EChronic migraine with auranon-billable header
- G43.9Migraine, unspecifiednon-billable header