DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

D64.9 diagnosis code · Billable code · FY2027

D64.9 Anemia, unspecified

  • Billable
  • Not CC/MCC
  • POA reported

D64.9 ICD-10 code: a billable diagnosis code in FY2027, one of 8 billable codes in category D64.

Where it sits

  1. Chapter 3 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
  2. D60-D64 Aplastic and other anemias and other bone marrow failure syndromes (D60-D64)
  3. D64 Other anemias
  4. D64.9 Anemia, unspecified
CC / MCC
Neither
MS-DRG
811-812
HCC V28
–
POA
Reported
Code Editor
–
Index entries
10

Instructions

Notes that also apply

Excludes1 from D64

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

Chapter 3 instructions (Excludes2 9): printed on the chapter 3 page.

Index entries

  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) → D64.9
  • Oligocythemia → D64.9
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)atypical (primary) → D64.9
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)idiopathic → D64.9
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)normocytic (infectional) → D64.9
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)progressive → D64.9
  • Deficiency, deficienthemoglobin → D64.9
  • Hemoglobinlow NOS → D64.9
  • Lowhematocrit → D64.9
  • Lowhemoglobin → D64.9

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for D64.9
CC / MCCNeither
Appendix BMDC 16 Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders, MS-DRG 811-812 (Red Blood Cell Disorders with MCC…)
Code Editor–
POAReported
HCC V28–

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy