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ICD-10-CM Code M71.20
Synovial cyst of popliteal space [Baker], unspecified knee

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

M71.20 is a billable ICD code used to specify a diagnosis of synovial cyst of popliteal space [Baker], unspecified knee. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code M712 is used to code Baker's cyst

A Baker's cyst, also known as a popliteal cyst, is a benign swelling of the semimembranosus or more rarely some other synovial bursa found behind the knee joint. It is named after the surgeon who first described it, William Morrant Baker (1838–1896). This is not a "true" cyst, as an open communication with the synovial sac is often maintained.

Specialty: Rheumatology
MeSH Code: D011151
ICD 9 Code: 727.51

Schematic drawing of a Baker's cyst

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #557-558 - Tendonitis, myositis and bursitis with MCC.
  • DRG Group #557-558 - Tendonitis, myositis and bursitis without MCC.

Related Concepts SNOMET-CT

  • Synovial cyst of knee (disorder)

Coding Advice SNOMET-CT

  • Consider laterality specification


Synovial cyst of popliteal space (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code M71.20 and a single ICD9 code, 727.51 is an approximate match for comparison and conversion purposes.

Parent Code: M71.2 - Synovial cyst of popliteal space [Baker]

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/M7120