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S02.401S vs S02.40CS

S02.401S (Maxillary fracture, unspecified side, sequela) compared with S02.40CS (Maxillary fracture, right side, sequela), from the official CMS tabular data. S02.401S and S02.40CS code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S02.401S
Unspecified
Maxillary fracture, unspecified side, sequela
S02.40CS
Right
Maxillary fracture, right side, sequela

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. S02.401S and S02.40CS 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

S02.401SMaxillary fracture, unspecified side, sequelaS02.40CSMaxillary fracture, right side, sequela
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)
DefinitionMaxillary fracture, unspecified side, sequela is a billable ICD-10-CM diagnosis code (S02.401S).Maxillary fracture, right side, sequela is a billable ICD-10-CM diagnosis code (S02.40CS).
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