D63

ICD-10Non-billable category

Anemia in chronic diseases classified elsewhere

Official ICD-10-CM descriptor (FY2026)

Anemia in chronic diseases classified elsewhere

D63 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.

More specific codes under D63

Where this code sits

Chapter: 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Block: Aplastic and other anemias and other bone marrow failure syndromes (D60-D64)

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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.