D50.9 Iron deficiency anemia, unspecified
The ICD-10-CM code for Iron deficiency anemia, unspecified is D50.9 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- D50-D53: Nutritional anemias (D50-D53)
- Category D50
- 5 codes (4 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to D50.9:
- Faber's syndrome (achlorhydric anemia)
- Chlorosis
- Hyposiderinemia
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › Faber's (achlorhydric anemia)
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › iron deficiency
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › microcytic (hypochromic)
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › hypochromic (idiopathic) (microcytic) (normoblastic)
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › asiderotic
U.S. Hospital Utilization
- An estimated 1,390,985 U.S. inpatient stays in 2023 included D50.9 among the documented diagnoses.
- 43,500 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 entry3. Chapter 3: Disease of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) ............................................................................................. 39
Chapter 3 reserved for future guideline expansion3. Chapter 3: Disease of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) Reserved for future guideline expansion
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026