S56.418

Hierarchy

Where S56.418 sits in the official hierarchy. Each level is the code it is classified under.

1. S56 Injury of muscle, fascia and tendon at forearm level
2. S56.4 Injury of extensor muscle, fascia and tendon of other and unspecified finger at forearm level
3. S56.41 Parent Strain of extensor muscle, fascia and tendon of other and unspecified finger at forearm level
4. S56.418 This code Strain of extensor muscle, fascia and tendon of left little finger at forearm 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.

• S56.418A Strain of extensor muscle, fascia and tendon of left little finger at forearm level, initial encounter Billable
• S56.418D Strain of extensor muscle, fascia and tendon of left little finger at forearm level, subsequent encounter Billable
• S56.418S Strain of extensor muscle, fascia and tendon of left little finger at forearm level, sequela Billable

Version History

How S56.418 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Strain of extensor muscle, fascia and tendon of left little finger at forearm level

2. FY 2026 Effective October 1, 2025

   Unchanged

   Strain of extensor muscle, fascia and tendon of left little finger at forearm level