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S86.812D vs S86.819D

S86.812D (Strain of other muscle(s) and tendon(s) at lower leg level, left leg, subsequent encounter) compared with S86.819D (Strain of other muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounter), from the official CMS tabular data. S86.812D and S86.819D code the same condition on opposite sides.

Relationship

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Laterality relationship

S86.812D
Left
Strain of other muscle(s) and tendon(s) at lower leg level, left leg, subsequent encounter
↔
S86.819D
Unspecified
Strain of other muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounter

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. S86.812D and S86.819D 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

S86.812DStrain of other muscle(s) and tendon(s) at lower leg level, left leg, subsequent encounterS86.819DStrain of other muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounter
Billing statusBillableBillable
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) at lower leg level, left leg, subsequent encounter is a billable ICD-10-CM diagnosis code (S86.812D).Strain of other muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounter is a billable ICD-10-CM diagnosis code (S86.819D).
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
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources