S66.919

Billable code

Strain of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand

The ICD-10 code for strain of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand is S66.919.

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.