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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M65-M67
Disorders of synovium and tendon
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M66-
Spontaneous rupture of synovium and tendon
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2021 ICD-10-CM Diagnosis Code M66.0
2021 ICD-10-CM Diagnosis Code M66.0
Rupture of popliteal cyst
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- M66.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM M66.0 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M66.0 - other international versions of ICD-10 M66.0 may differ.
The following code(s) above
M66.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
M66.0:
Approximate Synonyms
- Rupture of bilateral popliteal cyst
- Rupture of bilateral popliteal cysts
- Rupture of left popliteal cyst
- Rupture of popliteal cyst of left knee region
- Rupture of popliteal cyst of right knee region
- Rupture of popliteal space synovial cyst
- Rupture of right popliteal cyst
ICD-10-CM M66.0 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 557 Tendonitis, myositis and bursitis with mcc
- 558 Tendonitis, myositis and bursitis without mcc
Convert M66.0 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
Code annotations containing back-references to M66.0:
- Cyst (colloid) (mucous) (simple) (retention)
- Baker's M71.2-
ICD-10-CM Diagnosis Code M71.2-
Synovial cyst of popliteal space [Baker]
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Type 1 Excludes- synovial cyst of popliteal space with rupture (M66.0)
ICD-10-CM Codes Adjacent To M66.0
M65.862 Other synovitis and tenosynovitis, left lower leg
M65.869 Other synovitis and tenosynovitis, unspecified lower leg
M65.87 Other synovitis and tenosynovitis, ankle and foot
M65.871 Other synovitis and tenosynovitis, right ankle and foot
M65.872 Other synovitis and tenosynovitis, left ankle and foot
M65.879 Other synovitis and tenosynovitis, unspecified ankle and foot
M65.9 Synovitis and tenosynovitis, unspecified
M66 Spontaneous rupture of synovium and tendon
M66.0
Rupture of popliteal cyst
M66.1 Rupture of synovium
M66.11 Rupture of synovium, shoulder
M66.111 Rupture of synovium, right shoulder
M66.112 Rupture of synovium, left shoulder
M66.119 Rupture of synovium, unspecified shoulder
M66.12 Rupture of synovium, elbow
M66.121 Rupture of synovium, right elbow
M66.122 Rupture of synovium, left elbow
M66.129 Rupture of synovium, unspecified elbow
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.