S66.90
Header — not billableUnspecified injury of unspecified muscle, fascia and tendon at wrist and hand level
The ICD-10 code for unspecified injury of unspecified muscle, fascia and tendon at wrist and hand level is S66.90.
S66.90 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under S66.90
- S66.901Unspecified injury of unspecified muscle, fascia and tendon at wrist and hand level, right hand
- S66.902Unspecified injury of unspecified muscle, fascia and tendon at wrist and hand level, left hand
- S66.909Unspecified injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand
Related codes in this category
- S66.91Strain of unspecified muscle, fascia and tendon at wrist and hand levelnon-billable header
- S66.92Laceration of unspecified muscle, fascia and tendon at wrist and hand levelnon-billable header
- S66.99Other injury of unspecified muscle, fascia and tendon at wrist and hand levelnon-billable header
- S66.90Unspecified injury of unspecified muscle, fascia and tendon at wrist and hand levelnon-billable header