MCMCB Pro
D50.9

D50.9Iron deficiency anemia, unspecified

Billable / specific codeICD-10-CM

D50.9 is a billable, specific ICD-10-CM code for iron deficiency anemia, unspecified. It is valid for submission on a claim.

Risk adjustment

D50.9 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

D50.9 is named in 13 Medicare coverage policies 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A55937Billing and Coding: Diagnostic Colonoscopy
  • A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
  • A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
  • A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy

How D50.9 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 D50.9.

  • Chlorosis
  • Faber's syndrome(achlorhydric anemia)
  • Hyposiderinemia
  • Anemiaasiderotic
  • AnemiaFaber's(achlorhydric anemia)
  • Anemiahypochromic(idiopathic) (microcytic) (normoblastic)
  • Anemiairon deficiency
  • Anemiamicrocytic(hypochromic)
  • Anemiasideropenic(refractory)
  • SyndromeFaber's
  • SyndromeHayem-Faber
  • Anemiadeficiencyiron

Related codes at this level

Codes that share D50. If D50.9 is not quite right, the correct code is usually one of these.

Questions about D50.9

Is D50.9 a billable ICD-10-CM code?
Yes. D50.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D50.9 sit in the tabular list?
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Nutritional anemias (D50-D53).
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.