D50.0 Iron deficiency anemia secondary to blood loss (chronic)

The ICD-10-CM code for Iron deficiency anemia secondary to blood loss (chronic) is D50.0 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

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 D50.0:

• Normocytic anemia (infectional) due to blood loss (chronic)
• Posthemorrhagic anemia (chronic)
• Hemorrhage, hemorrhagic (concealed) › anemia (chronic)
• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › posthemorrhagic (chronic)
• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › hemorrhagic (chronic)
• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › factitious (self-induced blood letting)
• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › blood loss (chronic)
• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › chronic › blood loss

Inclusion Terms

• Posthemorrhagic anemia (chronic)

U.S. Hospital Utilization

• An estimated 217,655 U.S. inpatient stays in 2023 included D50.0 among the documented diagnoses.
• 17,235 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

Chapter 3 reserved for future guideline expansion

3. 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

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)