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S92.311A vs S92.312A

S92.311A (Displaced fracture of first metatarsal bone, right foot, initial encounter for closed fracture) compared with S92.312A (Displaced fracture of first metatarsal bone, left foot, initial encounter for closed fracture), from the official CMS tabular data. S92.311A and S92.312A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S92.311A
Right
Displaced fracture of first metatarsal bone, right foot, initial encounter for closed fracture
↔
S92.312A
Left
Displaced fracture of first metatarsal bone, left foot, initial encounter for closed fracture

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. S92.311A and S92.312A 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

S92.311ADisplaced fracture of first metatarsal bone, right foot, initial encounter for closed fractureS92.312ADisplaced fracture of first metatarsal bone, left foot, initial encounter for closed fracture
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)
DefinitionDisplaced fracture of first metatarsal bone, right foot, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S92.311A).Displaced fracture of first metatarsal bone, left foot, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S92.312A).
7th characterThe appropriate 7th character is to be added to each code from category S92The appropriate 7th character is to be added to each code from category S92
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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