G43.91
Header — not billableMigraine, unspecified, intractable
The ICD-10 code for migraine, unspecified, intractable is G43.91.
G43.91 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.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Migraine, unspecified, with refractory migraine
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.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G43.90Migraine, unspecified, not intractablenon-billable header
- G43.91Migraine, unspecified, intractablenon-billable header