Specific code 2011 ICD-9-CM Diagnosis Code 733.40
Aseptic necrosis of bone site unspecified
  • Short description: Asept necrosis bone NOS.
  • ICD-9-CM 733.40 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 733.40 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 2011 version of ICD-9-CM 733.40.
  • More recent version(s) of ICD-9-CM 733.40: 2012 2013 2014 2015.
Convert to ICD-10-CM: 733.40 converts approximately to:
  • 2015/16 ICD-10-CM M87.00 Idiopathic aseptic necrosis of unspecified bone
Approximate Synonyms
  • Aseptic necrosis of bone
  • Aseptic necrosis w osteomyelitis
  • Aseptic necrosis with osteomyelitis
  • Avascular necrosis of bone
  • Drug induced aseptic necrosis
  • Osteomyelitis with avascular necrosis of bone
  • Osteonecrosis due to drugs
  • Osteonecrosis due to previous trauma
  • Trauma induced aseptic necrosis
ICD-9-CM Volume 2 Index entries containing back-references to 733.40:
  • Ischemia, ischemic 459.9
    • bone NEC 733.40
  • Necrosis, necrotic
    • avascular, bone NEC (see also Necrosis, aseptic, bone) 733.40
  • Osteonecrosis 733.40
    • meaning osteomyelitis 730.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 733.40 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.