M66.38
M66.38: Spontaneous rupture of flexor tendons, other site
Billable / specific codeICD-10-CM
M66.38 is a billable, specific ICD-10-CM code for spontaneous rupture of flexor tendons, other site. It is valid for submission on a claim.
Check M66.38 with the rest of the claim: free scrubberExcludes2 inherited from the categories above M66.38
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
M66.38 is named in 12 Medicare coverage policies: 5 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
Alphabetic index entries that lead here
- Rupture, ruptured›tendon›nontraumatic›flexor›specified site NEC
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under M66.3
- M66.30Spontaneous rupture of flexor tendons, unspecified site
- M66.31Spontaneous rupture of flexor tendons, shoulder
- M66.32Spontaneous rupture of flexor tendons, upper arm
- M66.33Spontaneous rupture of flexor tendons, forearm
- M66.34Spontaneous rupture of flexor tendons, hand
- M66.35Spontaneous rupture of flexor tendons, thigh
- M66.36Spontaneous rupture of flexor tendons, lower leg
- M66.37Spontaneous rupture of flexor tendons, ankle and foot
- M66.39Spontaneous rupture of flexor tendons, multiple sites