S66.31
Header — not billableStrain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
The ICD-10 code for strain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level is S66.31.
S66.31 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 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.
Child codes under S66.31
- S66.310Strain of extensor muscle, fascia and tendon of right index finger at wrist and hand level
- S66.311Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level
- S66.312Strain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level
- S66.313Strain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level
- S66.314Strain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level
- S66.315Strain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level
- S66.316Strain of extensor muscle, fascia and tendon of right little finger at wrist and hand level
- S66.317Strain of extensor muscle, fascia and tendon of left little finger at wrist and hand level
- S66.318Strain of extensor muscle, fascia and tendon of other finger at wrist and hand level
- S66.319Strain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
Related codes in this category
- S66.30Unspecified injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelnon-billable header
- S66.32Laceration of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelnon-billable header
- S66.39Other injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelnon-billable header
- S66.31Strain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelnon-billable header