D64.3 Other sideroblastic anemias

BillableCMS-HCC V28: HCC 109Chapter 3

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Instructional notes

Chapter 3

Excludes2Not included here: the patient may have both; report both when both are present.

autoimmune disease (systemic) NOS (M35.9)
certain conditions originating in the perinatal period (P00-P96)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
human immunodeficiency virus [HIV] disease (B20)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

D64

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

refractory anemia (D46.-)
refractory anemia with excess blasts in transformation [RAEB T] (C92.0-)

This code

Inclusion terms

Sideroblastic anemia NOS
Pyridoxine-responsive sideroblastic anemia NEC

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

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.