DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

D45 diagnosis code · Billable category · FY2027

D45 Polycythemia vera

  • Billable
  • Not CC/MCC
  • HCC 23
  • POA reported

D45 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

CC / MCC
Neither
MS-DRG
820-822, 823-825, 840-842
HCC V28
23
POA
Reported
Code Editor
–
Index entries
3

Instructions

At D45

Excludes1

  • familial polycythemia (D75.0) D75.0
  • secondary polycythemia (D75.1) D75.1

Notes that also apply

Block D37-D48 instructions (Notes 1, Excludes1 1): printed on the block page.

Chapter 2 instructions (Notes 8): printed on the chapter 2 page.

Index entries

  • Heilmeyer-Schoner disease → D45
  • Erythremia (acute)chronic → D45
  • Polycythemia (secondary)vera → D45

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

Medicare grouping and edits

CMS files for D45
CC / MCCNeither
Appendix BMDC 17 Myeloproliferative Diseases and Disorders, Poorly Differentiated Neoplasms, MS-DRG 820-822 (Lymphoma and Leukemia with Major O.R. Procedures with MCC…); MDC 17 Myeloproliferative Diseases and Disorders, Poorly Differentiated Neoplasms, MS-DRG 823-825 (Lymphoma and Non-Acute Leukemia with Other Procedures with MCC…); MDC 17 Myeloproliferative Diseases and Disorders, Poorly Differentiated Neoplasms, MS-DRG 840-842 (Lymphoma and Non-Acute Leukemia with MCC…)
Code Editor–
POAReported
HCC V28HCC 23 Prostate, Breast, and Other Cancers and Tumors

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

Hierarchy