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S76.392A vs S76.399A

S76.392A (Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, left thigh, initial encounter) compared with S76.399A (Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh, initial encounter), from the official CMS tabular data. S76.392A and S76.399A code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S76.392A
Left
Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, left thigh, initial encounter
S76.399A
Unspecified
Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh, initial 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. S76.392A and S76.399A 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

S76.392AOther specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, left thigh, initial encounterS76.399AOther specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh, initial encounter
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionOther specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, left thigh, initial encounter is a billable ICD-10-CM diagnosis code (S76.392A).Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh, initial encounter is a billable ICD-10-CM diagnosis code (S76.399A).
7th characterThe appropriate 7th character is to be added to each code from category S76The appropriate 7th character is to be added to each code from category S76

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