MCMedicalCodingSoftware
S86.819

S86.819: Strain of other muscle(s) and tendon(s) at lower leg level, unspecified leg

Non-billable headerICD-10-CMunspecified

S86.819 is a non-billable header ICD-10-CM code for strain of other muscle(s) and tendon(s) at lower leg level, unspecified leg. 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 S86

A
initial encounter
D
subsequent encounter
S
sequela

Excludes2 inherited from the categories above S86.819

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

Written on S86: Injury of muscle, fascia and tendon at lower leg level

  • injury of muscle, fascia and tendon at ankle (S96.-)
  • injury of patellar ligament (tendon) (S76.1-)
  • sprain of joints and ligaments of knee (S83.-)

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 S86.819

3 child codes. Green means billable.

Other codes under S86.81

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.