D53

ICD-10Non-billable category

Other nutritional anemias

Official ICD-10-CM descriptor (FY2026)

Other nutritional anemias

D53 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Includes

megaloblastic anemia unresponsive to vitamin B12 or folate therapy

More specific codes under D53

Where this code sits

Chapter: 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Block: Nutritional anemias (D50-D53)

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.