Specific code 2006 ICD-9-CM Diagnosis Code 284.9
Aplastic anemia unspecified
  • Short description: APLASTIC ANEMIA NOS.
  • ICD-9-CM 284.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 284.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2006 version of ICD-9-CM 284.9.
  • More recent version(s) of ICD-9-CM 284.9: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 284.9 converts approximately to:
  • 2015/16 ICD-10-CM D61.9 Aplastic anemia, unspecified
Approximate Synonyms
  • Anemia, aplastic
  • Aplastic anemia
  • Aplastic anemia crisis
  • Aplastic crisis
  • Idiopathic aplastic anemia
284.9 Excludes
  • refractory anemia (238.7)
Applies To
  • Anemia:
    • aplastic (idiopathic) NOS
    • aregenerative
    • hypoplastic NOS
    • nonregenerative
  • Medullary hypoplasia
ICD-9-CM Volume 2 Index entries containing back-references to 284.9:
  • Absence (organ or part) (complete or partial)
    • erythrocyte 284.9
    • erythropoiesis 284.9
    • red cell 284.9
  • Aleukia
    • hemorrhagica 284.9
      • acquired (secondary) 284.8
      • congenital 284.0
      • idiopathic 284.9
  • Anemia 285.9
    • aplastic 284.9
    • aregenerative 284.9
    • Davidson's (refractory) 284.9
    • hypoplastic (idiopathic) 284.9
    • nonregenerative 284.9
    • semiplastic 284.9
  • Aplasia - see also Agenesis
    • bone marrow (myeloid) 284.9
      • acquired (secondary) 284.8
      • congenital 284.0
      • idiopathic 284.9
  • Arrest, arrested
    • bone marrow (see also Anemia, aplastic) 284.9
  • Davidson's anemia (refractory) 284.9
  • Failure, failed
    • bone marrow (anemia) 284.9
      • acquired (secondary) 284.8
      • congenital 284.0
      • idiopathic 284.9
  • Hypocythemia (progressive) 284.9
  • Hypoplasia, hypoplasis 759.89
    • medullary 284.9
  • Marrow (bone)
    • arrest 284.9
  • Panmyelophthisis 284.9
    • acquired (secondary) 284.8
    • idiopathic 284.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 284.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.