D55.8 Other anemias due to enzyme disorders

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Other anemias due to enzyme disorders is D55.8 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
D55-D59: Hemolytic anemias (D55-D59)
Category D55
9 codes (7 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to D55.8:

  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › hemolytic › acute › due to enzyme deficiency specified type NEC
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › deficiency › enzyme › specified type NEC
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › hemolytic › nonspherocytic › congenital or hereditary NEC
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › hemolytic › hereditary › due to enzyme disorder › specified type NEC

U.S. Hospital Utilization

D55.8 appeared in too few sampled U.S. inpatient stays in 2023 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

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

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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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