S66.509
Billable codeUnspecified injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level
The ICD-10 code for unspecified injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level is S66.509.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- S66.500Unspecified injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level
- S66.501Unspecified injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level
- S66.502Unspecified injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level
- S66.503Unspecified injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level
- S66.504Unspecified injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level
- S66.505Unspecified injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level
- S66.506Unspecified injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level
- S66.507Unspecified injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level
- S66.508Unspecified injury of intrinsic muscle, fascia and tendon of other finger at wrist and hand level
- S66.509Unspecified injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level