DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

D77 diagnosis code · Billable category · FY2027

D77 Other disorders of blood and blood-forming organs in diseases classified elsewhere

  • Billable
  • Not CC/MCC
  • POA reported

D77 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 3 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
  2. D70-D77 Other disorders of blood and blood-forming organs (D70-D77)
  3. D77 Other disorders of blood and blood-forming organs in diseases classified elsewhere
CC / MCC
Neither
MS-DRG
814-816
HCC V28
–
POA
Reported
Code Editor
Manifestation
Index entries
9

Instructions

At D77

Excludes1

  • rupture of spleen due to Plasmodium vivax malaria (B51.0) B51.0
  • splenitis, splenomegaly in late syphilis (A52.79) A52.79
  • splenitis, splenomegaly in tuberculosis (A18.85) A18.85

Code first

  • underlying disease, such as:
  • amyloidosis (E85.-) E85
  • congenital early syphilis (A50.0-) A50.0
  • echinococcosis (B67.0-B67.9) B67.0 B67.9
  • malaria (B50.0-B54) B50.0 B54
  • schistosomiasis [bilharziasis] (B65.0-B65.9) B65.0 B65.9
  • vitamin C deficiency (E54) E54

Notes that also apply

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

Index entries

  • Splenitis (interstitial) (malignant) (nonspecific)malarial → B54 [D77]
  • Splenomegaly, splenomegalia (Bengal) (cryptogenic) (idiopathic) (tropical)malarial → B54 [D77]
  • Purpurascorbutic → E54 [D77]
  • Splenomegaly, splenomegalia (Bengal) (cryptogenic) (idiopathic) (tropical)syphiliticcongenital (early) → A50.08 [D77]
  • Disorder (of)bloodin congenital early syphilis → A50.09 [D77]
  • Fibrosis, fibroticspleenin schistosomiasis (bilharziasis) → B65.9 [D77]
  • Cyst (colloid) (mucous) (simple) (retention)spleen NEChydatid → B67.99 [D77]
  • Degeneration, degenerativespleenamyloid → E85.4 [D77]
  • Disease, diseasedspleenamyloid → E85.4 [D77]

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

Medicare grouping and edits

CMS files for D77
CC / MCCNeither
Appendix BMDC 16 Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders, MS-DRG 814-816 (Reticuloendothelial and Immunity Disorders with MCC…)
Code EditorManifestation code: not allowed as principal diagnosis
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