M71.2 — Synovial cyst of popliteal space [Baker]
M71.2 is a non-billable header ICD-10-CM code for synovial cyst of popliteal space [baker]. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- synovial cyst of popliteal space with rupture (M66.0)
Excludes1 inherited from the categories above M71.2
These are not written on M71.2, but they bind it: a note on a category applies to every code beneath it. Billing M71.2 with anything listed here is a denial.
Risk adjustment
M71.2 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code history
M71.2 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Code to one of these instead M71.2
3 child codes. Green means billable.
Related codes at this level
Codes that share M71. If M71.2 is not quite right, the correct code is usually one of these.
Questions about M71.2
- Is M71.2 a billable ICD-10-CM code?
- No. M71.2 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does M71.2 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other soft tissue disorders (M70-M79).
- What cannot be coded together with M71.2?
- M71.2 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above M71.2 (M71) and apply to it just the same.