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G43.839

G43.839Menstrual migraine, intractable, without status migrainosus

Billable / specific codeICD-10-CM

G43.839 is a billable, specific ICD-10-CM code for menstrual migraine, intractable, without status migrainosus. It is valid for submission on a claim.

Risk adjustment

G43.839 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

G43.839 is named in 6 Medicare coverage policies 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A56612Billing and Coding: CT of the Head
  • A56775Billing and Coding: Magnetic Resonance Angiography
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck

How G43.839 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to G43.839.

  • Migrainemenstrualintractable
  • Migrainemenstrualwith refractory migraine
  • Migrainemenstrualintractablewithout status migrainosus
  • Migrainemenstrualwith refractory migrainewithout status migrainosus

Related codes at this level

Codes that share G43.83. If G43.839 is not quite right, the correct code is usually one of these.

Questions about G43.839

Is G43.839 a billable ICD-10-CM code?
Yes. G43.839 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G43.839 sit in the tabular list?
Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).
ICD-10-CMFY2026-Apr· effective April 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.