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S00.401D vs S00.402D

S00.401D (Unspecified superficial injury of right ear, subsequent encounter) compared with S00.402D (Unspecified superficial injury of left ear, subsequent encounter), from the official CMS tabular data. S00.401D and S00.402D code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S00.401D
Right
Unspecified superficial injury of right ear, subsequent encounter
S00.402D
Left
Unspecified superficial injury of left ear, subsequent encounter

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. S00.401D and S00.402D 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

S00.401DUnspecified superficial injury of right ear, subsequent encounterS00.402DUnspecified superficial injury of left ear, subsequent encounter
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)
DefinitionUnspecified superficial injury of right ear, subsequent encounter is a billable ICD-10-CM diagnosis code (S00.401D).Unspecified superficial injury of left ear, subsequent encounter is a billable ICD-10-CM diagnosis code (S00.402D).
7th characterThe appropriate 7th character is to be added to each code from category S00The appropriate 7th character is to be added to each code from category S00
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