D50

Non-Billable
ChapterD50–D89
Rankcategory
Official Description

Iron deficiency anemia

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 3: Diseases of the Blood and Blood-Forming Organs (D50-D89).

CH3 Parent Instructions

Excludes2(Not included here)
  • autoimmune disease (systemic) NOS (M35.9)
  • certain conditions originating in the perinatal period (P00-P96)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • human immunodeficiency virus [HIV] disease (B20)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Includes
  • asiderotic anemia
  • hypochromic anemia

Clinical Hierarchy

CH3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
D50-D53Nutritional anemias (D50-D53)
D50Iron deficiency anemia
D50.0Iron deficiency anemia secondary to blood loss (chronic)
D50.1Sideropenic dysphagia
D50.8Other iron deficiency anemias
D50.9Iron deficiency anemia, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D50:

chapterCH3
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to D50. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Achlorhydria, achlorhydric (neurogenic)1 unique routes
anemia→D50
Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)24 unique routes
achlorhydric→D50
asiderotic→D50
blood loss (chronic)→D50
chlorotic→D50
chronic
blood loss→D50
deficiency(3 variants)
iron→D50(2 variants)
secondary to blood loss (chronic)→D50
nutritional
with
poor iron absorption→D50
due to (in) (with)(4 variants)
blood loss (chronic)→D50
hemorrhage (chronic)→D50
impaired absorption→D50
loss of blood (chronic)→D50
Faber's (achlorhydric anemia)→D50
factitious (self-induced blood letting)→D50
hemorrhagic (chronic)→D50
hypochromic (idiopathic) (microcytic) (normoblastic)→D50(2 variants)
due to blood loss (chronic)→D50
iron deficiency→D50(3 variants)
secondary to blood loss (chronic)→D50
specified type NEC→D50
microcytic (hypochromic)→D50(2 variants)
due to blood loss (chronic)→D50
normocytic (infectional)
due to blood loss (chronic)→D50
Witts' (achlorhydric anemia)→D50

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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