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S86.112 vs S86.119

S86.112 (Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg) compared with S86.119 (Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg), from the official CMS tabular data. S86.112 and S86.119 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S86.112
Left
Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg
S86.119
Unspecified
Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. S86.112 and S86.119 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

S86.112Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left legS86.119Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg
Billing statusNon-billable header

Report instead: S86.112A, S86.112D, S86.112S

Non-billable header

Report instead: S86.119A, S86.119D, S86.119S

ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionStrain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg is a non-billable ICD-10-CM category code (S86.112).Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg is a non-billable ICD-10-CM category code (S86.119).
7th characterThe appropriate 7th character is to be added to each code from category S86The appropriate 7th character is to be added to each code from category S86

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources