ICD-10-CM FY2027 diagnosis code

S66.011: Strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

S66.011 groups related diagnoses under strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under S66.011

S66.011 questions

Is S66.011 a billable code?

No. S66.011 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.

What does S66.011 mean?

S66.011 is the ICD-10-CM code for Strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level. 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.