D55 Anemia due to enzyme disorders

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Anemia due to enzyme disorders is D55 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
D55-D59: Hemolytic anemias (D55-D59)
Category D55
9 codes (7 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with D55.
  • drug-induced enzyme deficiency anemia (D59.2)

Official Coding Guidelines

Chapter 3 TOC entry

3. Chapter 3: Disease of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) ............................................................................................. 39

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.3
Reserved for future guideline expansion

Reserved for future guideline expansion ...................................................................................... 39

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.3.Reserved

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

More Specific Codes

D55.0 Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiency D55.1 Anemia due to other disorders of glutathione metabolism D55.2 Anemia due to disorders of glycolytic enzymes D55.21 Anemia due to pyruvate kinase deficiency D55.29 Anemia due to other disorders of glycolytic enzymes D55.3 Anemia due to disorders of nucleotide metabolism D55.8 Other anemias due to enzyme disorders D55.9 Anemia due to enzyme disorder, unspecified

Related Codes in D55

D55.0 Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiency D55.1 Anemia due to other disorders of glutathione metabolism D55.2 Anemia due to disorders of glycolytic enzymes D55.21 Anemia due to pyruvate kinase deficiency D55.29 Anemia due to other disorders of glycolytic enzymes D55.3 Anemia due to disorders of nucleotide metabolism D55.8 Other anemias due to enzyme disorders D55.9 Anemia due to enzyme disorder, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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