S66.513

Hierarchy

Where S66.513 sits in the official hierarchy. Each level is the code it is classified under.

1. S66 Injury of muscle, fascia and tendon at wrist and hand level
2. S66.5 Injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level
3. S66.51 Parent Strain of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level
4. S66.513 This code Strain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

• S66.513A Strain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter Billable
• S66.513D Strain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter Billable
• S66.513S Strain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, sequela Billable

Version History

How S66.513 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Strain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level

2. FY 2026 Effective October 1, 2025

   Unchanged

   Strain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level