Home > 2014 ICD-9-CM Diagnosis Codes > Diseases Of The Circulatory System 390-459 > Diseases Of Arteries, Arterioles, And Capillaries 440-449 > Polyarteritis nodosa and allied conditions 446-
Specific code 2014 ICD-9-CM Diagnosis Code 446.4
Wegener's granulomatosis
  • 2014
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 446.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 446.4 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 2014 version of ICD-9-CM 446.4.
  • More recent version(s) of ICD-9-CM 446.4: 2015.
Convert to ICD-10-CM: 446.4 converts approximately to:
  • 2015/16 ICD-10-CM M31.30 Wegener's granulomatosis without renal involvement
Approximate Synonyms
  • Churg strauss polyarteritis w pulmonary involvement
  • Granulomatosis w polyangiitis
  • Pulmonary disease due to allergic granulomatosis angiitis
  • Wegeners granulomatosis
  • Wegeners granulomatosis w renal involvement
  • Wegener's granulomatosis with renal involvement
  • Wegener's granulomatosis without renal involvement
  • Wegeners granulomatosis wo renal involvement
Applies To
  • Necrotizing respiratory granulomatosis
  • Wegener's syndrome
ICD-9-CM Volume 2 Index entries containing back-references to 446.4:
  • Angiitis 447.6
    • allergic granulomatous 446.4
    • Wegener's (necrotizing respiratory granulomatosis) 446.4
  • Churg-Strauss syndrome 446.4
  • Disease, diseased - see also Syndrome
    • Klinger's 446.4
  • Granuloma NEC 686.1
    • Wegener's (necrotizing respiratory granulomatosis) 446.4
  • Granulomatosis NEC 686.1
    • necrotizing, respiratory 446.4
    • Wegener's (necrotizing respiratory) 446.4
  • Klinger's disease 446.4
  • Syndrome - see also Disease
    • Churg-Strauss 446.4
    • Wegener's (necrotizing respiratory granulomatosis) 446.4
  • Wegener's granulomatosis or syndrome 446.4
 446.3 ICD9Data.com 446.5 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 446.4 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
Free ICD-9-CM Codes
Site Information
Free ICD-10-CM/PCS Codes
Free HCPCS Codes