S66.398

Billable code

Other injury of extensor muscle, fascia and tendon of other finger at wrist and hand level

The ICD-10 code for other injury of extensor muscle, fascia and tendon of other finger at wrist and hand level is S66.398.

Clinical notes

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

Other injury of extensor muscle, fascia and tendon of specified finger with unspecified laterality at wrist and hand level

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.