MCMedicalCodingSoftware
G43.821

G43.821: Menstrual migraine, not intractable, with status migrainosus

Billable / specific codeICD-10-CM

G43.821 is a billable, specific ICD-10-CM code for menstrual migraine, not intractable, with status migrainosus. It is valid for submission on a claim.

Check G43.821 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above G43.821

A category’s note binds every code beneath it.

Written on G43: Migraine

Excludes2 inherited from the categories above G43.821

Not part of this code, but both may be coded when both are present.

Written on G43: Migraine

  • headache NOS (R51.9)
  • headache syndromes (G44.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G43.821 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A56612Billing and Coding: CT of the Head
  • A56619Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56775Billing and Coding: Magnetic Resonance Angiography

Alphabetic index entries that lead here

  • Migraine›menstrual›not intractable›with status migrainosus
  • Migraine›menstrual›without refractory migraine›with status migrainosus

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G43.82

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.