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S96.992 vs S96.999

S96.992 (Other specified injury of unspecified muscle and tendon at ankle and foot level, left foot) compared with S96.999 (Other specified injury of unspecified muscle and tendon at ankle and foot level, unspecified foot), from the official CMS tabular data. S96.992 and S96.999 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S96.992
Left
Other specified injury of unspecified muscle and tendon at ankle and foot level, left foot
↔
S96.999
Unspecified
Other specified injury of unspecified muscle and tendon at ankle and foot level, unspecified foot

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. S96.992 and S96.999 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

S96.992Other specified injury of unspecified muscle and tendon at ankle and foot level, left footS96.999Other specified injury of unspecified muscle and tendon at ankle and foot level, unspecified foot
Billing statusNon-billable header

Report instead: S96.992A, S96.992D, S96.992S

Non-billable header

Report instead: S96.999A, S96.999D, S96.999S

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)
DefinitionOther specified injury of unspecified muscle and tendon at ankle and foot level, left foot is a non-billable ICD-10-CM category code (S96.992).Other specified injury of unspecified muscle and tendon at ankle and foot level, unspecified foot is a non-billable ICD-10-CM category code (S96.999).
7th characterThe appropriate 7th character is to be added to each code from category S96The appropriate 7th character is to be added to each code from category S96
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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