Skip to main content

S02.40AB vs S02.40BB

S02.40AB (Malar fracture, right side, initial encounter for open fracture) compared with S02.40BB (Malar fracture, left side, initial encounter for open fracture), from the official CMS tabular data. S02.40AB and S02.40BB code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S02.40AB
Right
Malar fracture, right side, initial encounter for open fracture
S02.40BB
Left
Malar fracture, left side, initial encounter for open 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. S02.40AB and S02.40BB 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

S02.40ABMalar fracture, right side, initial encounter for open fractureS02.40BBMalar fracture, left side, initial encounter for open 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)
DefinitionMalar fracture, right side, initial encounter for open fracture is a billable ICD-10-CM diagnosis code (S02.40AB).Malar fracture, left side, initial encounter for open fracture is a billable ICD-10-CM diagnosis code (S02.40BB).
7th characterThe appropriate 7th character is to be added to each code from category S02The appropriate 7th character is to be added to each code from category S02
Includes
injuries of ear
injuries of eye
injuries of face [any part]
injuries of gum
injuries of ear
injuries of eye
injuries of face [any part]
injuries of gum

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