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S84.802 vs S84.809

S84.802 (Injury of other nerves at lower leg level, left leg) compared with S84.809 (Injury of other nerves at lower leg level, unspecified leg), from the official CMS tabular data. S84.802 and S84.809 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S84.802
Left
Injury of other nerves at lower leg level, left leg
S84.809
Unspecified
Injury of other nerves 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. S84.802 and S84.809 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

S84.802Injury of other nerves at lower leg level, left legS84.809Injury of other nerves at lower leg level, unspecified leg
Billing statusNon-billable header

Report instead: S84.802A, S84.802D, S84.802S

Non-billable header

Report instead: S84.809A, S84.809D, S84.809S

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)
DefinitionInjury of other nerves at lower leg level, left leg is a non-billable ICD-10-CM category code (S84.802).Injury of other nerves at lower leg level, unspecified leg is a non-billable ICD-10-CM category code (S84.809).
7th characterThe appropriate 7th character is to be added to each code from category S84The appropriate 7th character is to be added to each code from category S84

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