S86.301

Hierarchy

Where S86.301 sits in the official hierarchy. Each level is the code it is classified under.

1. S86 Injury of muscle, fascia and tendon at lower leg level
2. S86.3 Injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level
3. S86.30 Parent Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level
4. S86.301 This code Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg

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.

• S86.301A Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, initial encounter Billable
• S86.301D Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, subsequent encounter Billable
• S86.301S Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, sequela Billable

Version History

How S86.301 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg

2. FY 2026 Effective October 1, 2025

   Unchanged

   Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg