S66.999
Billable codeOther injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand
The ICD-10 code for other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand is S66.999.
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
- S66.991Other injury of unspecified muscle, fascia and tendon at wrist and hand level, right hand
- S66.992Other injury of unspecified muscle, fascia and tendon at wrist and hand level, left hand
- S66.999Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand