ICD-10-CM FY2027 diagnosis code

S66.411S: Strain of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, sequela

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

S66.411S is a billable ICD-10-CM diagnosis code for strain of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, sequela. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

S66.411S questions

Is S66.411S a billable code?

Yes. S66.411S 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 S66.411S mean?

S66.411S is the ICD-10-CM code for Strain of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, 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.