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S76.321 vs S76.329

S76.321 (Laceration of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh) compared with S76.329 (Laceration of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh), from the official CMS tabular data. S76.321 and S76.329 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S76.321
Right
Laceration of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh
S76.329
Unspecified
Laceration of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh

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. S76.321 and S76.329 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

S76.321Laceration of muscle, fascia and tendon of the posterior muscle group at thigh level, right thighS76.329Laceration of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh
Billing statusNon-billable header

Report instead: S76.321A, S76.321D, S76.321S

Non-billable header

Report instead: S76.329A, S76.329D, S76.329S

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)
DefinitionLaceration of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh is a non-billable ICD-10-CM category code (S76.321).Laceration of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh is a non-billable ICD-10-CM category code (S76.329).
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