Specific code 2012 ICD-9-CM Diagnosis Code 446.21
Goodpasture's syndrome
  • ICD-9-CM 446.21 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 446.21 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 2012 version of ICD-9-CM 446.21.
  • More recent version(s) of ICD-9-CM 446.21: 2013 2014 2015.
Convert to ICD-10-CM: 446.21 converts approximately to:
  • 2015/16 ICD-10-CM M31.0 Hypersensitivity angiitis
Applies To
  • Antiglomerular basement membrane antibody-mediated nephritis with pulmonary hemorrhage
Use Additional
  • Use additional code to identify renal disease (583.81)
ICD-9-CM Volume 2 Index entries containing back-references to 446.21:
  • Angiitis 447.6
    • hypersensitivity 446.20
      • Goodpasture's syndrome 446.21
      • specified NEC 446.29
  • Goodpasture's syndrome (pneumorenal) 446.21
  • Hemorrhage, hemorrhagic (nontraumatic) 459.0
    • pulmonary (see also Hemorrhage, lung) 786.30
      • acute idiopathic in infants (AIPHI) (over 28 days old) 786.31
      • newborn (massive) 770.3
      • renal syndrome 446.21
    • renal 593.81
      • pulmonary syndrome 446.21
  • Syndrome - see also Disease
    • Goodpasture's (pneumorenal) 446.21
    • pulmonary
      • arteriosclerosis 416.0
      • hypoperfusion (idiopathic) 769
      • renal (hemorrhagic) 446.21
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 446.21 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.