S66.809

Billable code

Unspecified injury of other specified muscles, fascia and tendons at wrist and hand level, unspecified hand

The ICD-10 code for unspecified injury of other specified muscles, fascia and tendons at wrist and hand level, unspecified hand is S66.809.

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.