284.9 APLASTIC ANEMIA NOS


Code Information

Diagnosis Code: 284.9

Short Description: Aplastic anemia NOS

Long Description: Aplastic anemia, unspecified

Code Classification:

  • Diseases of the blood and blood-forming organs (280–289)
    • Diseases of the blood and blood-forming organs (280-289)
      • 284 Aplastic anemia
        • 284.9 Aplastic anemia NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 284.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Absence (organ or part) (complete or partial)
    • bone (congenital) NEC 756.9
      • marrow 284.9
        • acquired (secondary) 284.89
        • congenital 284.09
        • hereditary 284.09
        • idiopathic 284.9
    • erythrocyte 284.9
    • erythropoiesis 284.9
      • congenital 284.01
    • red cell 284.9
      • acquired (secondary) 284.81
      • congenital 284.01
      • hereditary 284.01
      • idiopathic 284.9
  • Aleukia
    • hemorrhagica 284.9
      • acquired (secondary) 284.89
      • congenital 284.09
      • idiopathic 284.9
  • Anemia 285.9
    • aplastic 284.9
      • acquired (secondary) 284.89
      • congenital 284.01
      • constitutional 284.01
      • due to
        • antineoplastic chemotherapy 284.89
        • chronic systemic disease 284.89
        • drugs 284.89
        • infection 284.89
        • radiation 284.89
      • idiopathic 284.9
      • myxedema 244.9
      • of or complicating pregnancy 648.2
      • red cell (acquired) (adult) (with thymoma) 284.81
        • congenital 284.01
        • pure 284.01
      • specified type NEC 284.89
      • toxic (paralytic) 284.89
    • aregenerative 284.9
      • congenital 284.01
    • Davidson's (refractory) 284.9
    • hypoplastic (idiopathic) 284.9
      • congenital 284.01
      • familial 284.01
      • of childhood 284.09
    • nonregenerative 284.9
    • semiplastic 284.9
  • Aplasia - see also Agenesis
    • bone marrow (myeloid) 284.9
      • acquired (secondary) 284.89
      • congenital 284.01
      • idiopathic 284.9
  • Arrest, arrested
    • bone marrow (see also Anemia, aplastic) 284.9
  • Cervicocolpitis (emphysematosa) (see also Cervicitis) 616.0
  • Davidson's anemia (refractory) 284.9
  • Failure, failed
    • bone marrow (anemia) 284.9
      • acquired (secondary) 284.89
      • congenital 284.09
      • idiopathic 284.9
  • Hypocythemia (progressive) 284.9
  • Hypoplasia, hypoplasis 759.89
    • bone NEC 756.9
      • marrow 284.9
        • acquired (secondary) 284.89
        • congenital 284.09
        • idiopathic 284.9
    • medullary 284.9
  • Marrow (bone)
    • arrest 284.9
  • Panmyelophthisis 284.2
    • idiopathic 284.9

Crosswalk Information

The code 284.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
284.9 Right Arrow D61.9 Aplastic 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
284.01 Constitutional red blood cell aplasia
284.09 Other constitutional aplastic anemia
284.11 Antineoplastic chemotherapy induced pancytopenia
284.12 Other drug-induced pancytopenia
284.19 Other pancytopenia
284.2 Myelophthisis
284.81 Red cell aplasia (acquired)(adult)(with thymoma)
284.89 Other specified aplastic anemias


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