M21.24
Header — not billableFlexion deformity, finger joints
The ICD-10 code for flexion deformity, finger joints is M21.24.
M21.24 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
- M21.20Flexion deformity, unspecified site
- M21.21Flexion deformity, shouldernon-billable header
- M21.22Flexion deformity, elbownon-billable header
- M21.23Flexion deformity, wristnon-billable header
- M21.25Flexion deformity, hipnon-billable header
- M21.26Flexion deformity, kneenon-billable header
- M21.27Flexion deformity, ankle and toesnon-billable header
- M21.24Flexion deformity, finger jointsnon-billable header