All ICD10 Codes

D55.21

Billable
ChapterD50–D89
Ranksubcategory
Official Description

Anemia due to pyruvate kinase deficiency

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 3: Diseases of the Blood and Blood-Forming Organs (D50-D89).

Instructional Notes

Includes
  • PK deficiency anemia
  • Pyruvate kinase deficiency anemia
General instructions are available for the parent sections:
View CH3 NotesView D55 NotesView D55.2 Notes

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)
D55Anemia due to enzyme disorders
D55.2Anemia due to disorders of glycolytic enzymes
D55.21Anemia due to pyruvate kinase deficiencyBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D55.21:

subcategoryD55.2
Anemia due to disorders of glycolytic enzymes
View context instructions
categoryD55
Anemia due to enzyme disorders
View context instructions
chapterCH3
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
View context instructions

Code History

  • FY 2021: This code replaced D55.2 (Anemia due to disorders of glycolytic enzymes)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 811
Red Blood Cell Disorders with MCC
DRG 812
Red Blood Cell Disorders without MCC

Cross Reference

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