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Iron deficiency anaemia ICD-10 code

The ICD-10-CM code for iron deficiency anaemia is D50.9 iron deficiency anemia, unspecified. It is billable and valid for submission on a claim. There are 14 related codes, and which one you use depends on what the documentation supports.

Also written as ida, iron deficiency anaemia.

The mistake coders make here

D50.9 is the unspecified default. D50.0 is specifically anaemia secondary to chronic blood loss — a distinction payers do look at, and the chart usually supports it.

All ICD-10-CM codes for iron deficiency anaemia

11 of 14 are billable. Green means you can submit it as-is.

CodeUse it when
D50.9Iron deficiency anemia, unspecified
D50.0Iron deficiency anemia secondary to blood loss (chronic)
D50.1Sideropenic dysphagia
D50.8Other iron deficiency anemias
D50Iron deficiency anemianot billable on its own
D52Folate deficiency anemianot billable on its own
D53.0Protein deficiency anemia
D51Vitamin B12 deficiency anemianot billable on its own
D52.0Dietary folate deficiency anemia
D52.1Drug-induced folate deficiency anemia
D52.9Folate deficiency anemia, unspecified
D51.9Vitamin B12 deficiency anemia, unspecified
D51.3Other dietary vitamin B12 deficiency anemia
D52.8Other folate deficiency anemias
ICD-10-CMFY2026-Apr· effective April 1, 2026

Codes and descriptions are loaded directly from the CMS/NCHS ICD-10-CM release. The guidance on this page is ours — see our editorial policy. Reference information for professional coders; not medical or billing advice.