D61.01 Constitutional (pure) red blood cell aplasia

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Constitutional (pure) red blood cell aplasia is D61.01 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
D60-D64: Aplastic and other anemias and other bone marrow failure syndromes (D60-D64)
Category D61
17 codes (13 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to D61.01:

  • Kaznelson's syndrome (congenital hypoplastic anemia)
  • Joseph-Diamond-Blackfan anemia (congenital hypoplastic)
  • Blackfan-Diamond anemia or syndrome (congenital hypoplastic anemia)
  • Diamond-Blackfan anemia (congenital hypoplastic)
  • Aplasia › congenital pure red cell
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › Joseph-Diamond-Blackfan (congenital hypoplastic)
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › Diamond-Blackfan (congenital hypoplastic)
  • Aplasia › erythrocyte congenital
Excludes1
Not coded here. These conditions should NOT be coded together with D61.01.
  • acquired red cell aplasia (D60.9)

Inclusion Terms

  • Blackfan-Diamond syndrome
  • Congenital (pure) red cell aplasia
  • Familial hypoplastic anemia
  • Primary (pure) red cell aplasia
  • Red cell (pure) aplasia of infants

U.S. Hospital Utilization

  • An estimated 1,095 U.S. inpatient stays in 2023 included D61.01 among the documented diagnoses.
  • 165 stays listed it as the principal 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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