280.9 IRON DEFIC ANEMIA NOS


Code Information

Diagnosis Code: 280.9

Short Description: Iron defic anemia NOS

Long Description: Iron deficiency anemia, unspecified

Code Classification:

  • Diseases of the blood and blood-forming organs (280–289)
    • Diseases of the blood and blood-forming organs (280-289)
      • 280 Iron deficiency anemias
        • 280.9 Iron defic anemia NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 280.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Achlorhydria, achlorhydric 536.0
    • anemia 280.9
  • Anemia 285.9
    • with
      • koilonychia 280.9
    • achlorhydric 280.9
    • asiderotic 280.9
    • chlorotic 280.9
    • deficiency 281.9
      • iron (Fe) 280.9
        • specified NEC 280.8
      • nutritional 281.9
        • with
          • poor iron absorption 280.9
    • due to
      • impaired absorption 280.9
    • Faber's (achlorhydric anemia) 280.9
    • hypochromic (idiopathic) (microcytic) (normoblastic) 280.9
      • with iron loading 285.0
      • due to blood loss (chronic) 280.0
        • acute 285.1
      • familial sex linked 285.0
      • pyridoxine-responsive 285.0
    • iron (Fe) deficiency 280.9
      • due to blood loss (chronic) 280.0
        • acute 285.1
      • of or complicating pregnancy 648.2
      • specified NEC 280.8
    • microcytic (hypochromic) 280.9
      • due to blood loss (chronic) 280.0
        • acute 285.1
      • familial 282.49
      • hypochromic 280.9
    • nutritional (deficiency) 281.9
      • with
        • poor iron absorption 280.9
    • refractory (primary) 238.72
      • sideropenic 280.9
    • sideropenic 280.9
      • due to blood loss (chronic) 280.0
        • acute 285.1
    • Witts' (achlorhydric anemia) 280.9
  • Chlorosis 280.9
    • Egyptian (see also Ancylostomiasis) 126.9
    • miners' (see also Ancylostomiasis) 126.9
  • Chlorotic anemia 280.9
  • Deficiency, deficient
    • iron, anemia 280.9
  • Faber's anemia or syndrome (achlorhydric anemia) 280.9
  • Green sickness 280.9
  • Hayem-Faber syndrome (achlorhydric anemia) 280.9
  • Hypochromasia blood cells 280.9
  • Hypochromic anemia 280.9
    • due to blood loss (chronic) 280.0
      • acute 285.1
    • microcytic 280.9
  • Hypoferremia 280.9
    • due to blood loss (chronic) 280.0
  • Hyposiderinemia 280.9
  • Iron
    • deficiency anemia 280.9
  • Mannoheptulosuria 271.8
  • Nasopharynx, nasopharyngeal - see condition
  • Sickness
    • green 280.9
  • Sideropenia (see also Anemia, iron deficiency) 280.9
  • Syndrome - see also Disease
    • Faber's (achlorhydric anemia) 280.9
    • Hayem-Faber (achlorhydric anemia) 280.9
  • Witts' anemia (achlorhydric anemia) 280.9

Crosswalk Information

The code 280.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
280.9 Right Arrow D50.9 Iron deficiency anemia, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
280.0 Iron deficiency anemia secondary to blood loss (chronic)
280.1 Iron deficiency anemia secondary to inadequate dietary iron intake
280.8 Other specified iron deficiency anemias


This page was last updated on: 10/1/2014