Specific code 2015 ICD-9-CM Diagnosis Code 718.86
Other joint derangement, not elsewhere classified, lower leg
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 718.86 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 718.86 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).
Convert to ICD-10-CM: 718.86 converts approximately to:
  • 2015/16 ICD-10-CM M23.50 Chronic instability of knee, unspecified knee
  • 2015/16 ICD-10-CM M23.8X9 Other internal derangements of unspecified knee
Approximate Synonyms
  • Anterior cruciate instability
  • Chronic instability of bilat knee joints
  • Chronic instability of bilateral knee joints
  • Chronic instability of bilateral knees
  • Chronic instability of knee
  • Chronic instability of L knee
  • Chronic instability of left knee
  • Chronic instability of left knee joint
  • Chronic instability of R knee
  • Chronic instability of right knee
  • Chronic instability of right knee joint
  • Flail joint of bilat knees
  • Flail joint of bilateral knees
  • Flail joint of knee
  • Flail joint of L knee
  • Flail joint of left knee
  • Flail joint of R knee
  • Flail joint of right knee
  • Instability of bilat knee joints
  • Instability of bilat patellae
  • Instability of bilateral knee joints
  • Instability of bilateral patella
  • Instability of bilateral patellae
  • Instability of knee
  • Instability of knee joint
  • Instability of left knee joint
  • Instability of left patella
  • Instability of patella
  • Instability of patella (knee cap) joint
  • Instability of patellofemoral joint
  • Instability of right knee joint
  • Instability of right patella
  • Knee joint - anteroposterior instability
  • Knee joint - mediolateral instability
  • Knee joint hypermobility
  • Knee joint laxity
  • Lateral collateral ligament instability
  • Ligamentous laxity of knee
  • Medial collateral ligament instability
  • Posterior cruciate instability
  • Unstable knee
ICD-9-CM Volume 2 Index entries containing back-references to 718.86:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 718.86 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.