M66.31
Header — not billableSpontaneous rupture of flexor tendons, shoulder
The ICD-10 code for spontaneous rupture of flexor tendons, shoulder is M66.31.
M66.31 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M66.30Spontaneous rupture of flexor tendons, unspecified site
- M66.32Spontaneous rupture of flexor tendons, upper armnon-billable header
- M66.33Spontaneous rupture of flexor tendons, forearmnon-billable header
- M66.34Spontaneous rupture of flexor tendons, handnon-billable header
- M66.35Spontaneous rupture of flexor tendons, thighnon-billable header
- M66.36Spontaneous rupture of flexor tendons, lower legnon-billable header
- M66.37Spontaneous rupture of flexor tendons, ankle and footnon-billable header
- M66.38Spontaneous rupture of flexor tendons, other site
- M66.39Spontaneous rupture of flexor tendons, multiple sites
- M66.31Spontaneous rupture of flexor tendons, shouldernon-billable header