Specific code 2014 ICD-9-CM Diagnosis Code 727.51
Synovial cyst of popliteal space
  • Billable Code
  • Short description: Popliteal synovial cyst.
  • ICD-9-CM 727.51 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 727.51 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Bakers cyst of L knee
  • Bakers cyst of left knee
  • Bakers cyst of R knee
  • Bakers cyst of right knee
  • Rupture of popliteal cyst
  • Rupture of popliteal space synovial cyst
  • Synovial cyst of left popliteal space
  • Synovial cyst of right popliteal space
Clinical Information
  • A benign swelling found behind the knee joint
  • A synovial cyst located in the back of the knee, in the popliteal space arising from the semimembranous bursa or the knee joint.
Applies To
  • Baker's cyst (knee)
Convert to ICD-10-CM: 727.51 converts approximately to:
  • 2014 ICD-10-CM M71.20 Synovial cyst of popliteal space [Baker], unspecified knee
ICD-9-CM Volume 2 Index entries containing back-references to 727.51:
  • Baker's
    • cyst (knee) 727.51
      • tuberculous (see also Tuberculosis) 015.2
  • Bursitis NEC 727.3
    • popliteal 727.51
  • Cyst (mucus) (retention) (serous) (simple)
    • Baker's (knee) 727.51
      • tuberculous (see also Tuberculosis) 015.2
    • popliteal 727.51
    • synovial 727.40
      • popliteal space 727.51
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 727.51 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.