S56.404

S56.404: Unspecified injury of extensor muscle, fascia and tendon of left middle finger at forearm level

Non-billable headerICD-10-CMleft

S56.404 is a non-billable header ICD-10-CM code for unspecified injury of extensor muscle, fascia and tendon of left middle finger at forearm level. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category S56

A: initial encounter
D: subsequent encounter
S: sequela

Excludes2 inherited from the categories above S56.404

Not part of this code, but both may be coded when both are present.

Written on S56: Injury of muscle, fascia and tendon at forearm level

injury of muscle, fascia and tendon at or below wrist (S66.-)
sprain of joints and ligaments of elbow (S53.4-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead S56.404

3 child codes. Green means billable.