ICD-10-CM FY2027 diagnosis code

S66.809S: Unspecified injury of other specified muscles, fascia and tendons at wrist and hand level, unspecified hand, sequela

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

S66.809S is a billable ICD-10-CM diagnosis code for unspecified injury of other specified muscles, fascia and tendons at wrist and hand level, unspecified hand, sequela. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

S66.809S questions

Is S66.809S a billable code?

Yes. S66.809S is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does S66.809S mean?

S66.809S is the ICD-10-CM code for Unspecified injury of other specified muscles, fascia and tendons at wrist and hand level, unspecified hand, sequela. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.