All ICD10 Codes

D56

Non-Billable
ChapterD50–D89
Rankcategory
Official Description

Thalassemia

Use a more specific code (8 billable)
D56.0Alpha thalassemiaD56.1Beta thalassemiaD56.2Delta-beta thalassemiaD56.3Thalassemia minorD56.4Hereditary persistence of fetal hemoglobin [HPFH]D56.5Hemoglobin E-beta thalassemiaD56.8Other thalassemiasD56.9Thalassemia, unspecified
Metadata & Insights
  • •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. Code separately if applicable.)
  • 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)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • sickle-cell thalassemia (D57.4-)

Clinical Hierarchy

BillableHas subcodes
CH3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
D55-D59Hemolytic anemias (D55-D59)
D56ThalassemiaNot billable
D56.0Alpha thalassemiaBillable
D56.1Beta thalassemiaBillable
D56.2Delta-beta thalassemiaBillable
D56.3Thalassemia minorBillable
D56.4Hereditary persistence of fetal hemoglobin [HPFH]Billable
D56.5Hemoglobin E-beta thalassemiaBillable
D56.8Other thalassemiasBillable
D56.9Thalassemia, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D56:

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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