Specific code 2009 ICD-9-CM Diagnosis Code 717.9
Unspecified internal derangement of knee
  • Short description: INT DERANGEMENT KNEE NOS.
  • ICD-9-CM 717.9 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 717.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2009 version of ICD-9-CM 717.9.
  • More recent version(s) of ICD-9-CM 717.9: 2010 2011 2012 2013 2014.
Disease Synonyms
  • Derangement of knee
  • Derangement of left knee
  • Derangement of patella
  • Derangement of patella (kneecap)
  • Derangement of right knee
  • Disorder of L patella
  • Disorder of left patella
  • Disorder of left patella (kneecap)
  • Disorder of patella
  • Disorder of patella (kneecap)
  • Disorder of R patella
  • Disorder of right patella
  • Disorder of right patella (kneecap)
  • Internal derangement of knee
  • Internal derangement of L knee
  • Internal derangement of left knee
  • Internal derangement of R knee
  • Internal derangement of right knee
  • Knee locking
  • Locked knee
Applies To
  • Derangement NOS of knee
Convert to ICD-10-CM: 717.9 converts approximately to:
  • 2014 ICD-10-CM M23.90 Unspecified internal derangement of unspecified knee
ICD-9-CM Volume 2 Index entries containing back-references to 717.9:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 717.9 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.