D55-D59

Non-Billable
ChapterD50–D89
Rankblock
Official Description

Hemolytic anemias (D55-D59)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 3: Diseases of the Blood and Blood-Forming Organs (D50-D89).

CH3 Parent Instructions

Excludes2(Not included here)
  • 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)

Clinical Hierarchy

CH3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
D55-D59Hemolytic anemias (D55-D59)
D55Anemia due to enzyme disorders
D56Thalassemia
D57Sickle-cell disorders
D58Other hereditary hemolytic anemias
D59Acquired hemolytic anemia

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D55-D59:

chapterCH3
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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