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S01.352 vs S01.359

S01.352 (Open bite of left ear) compared with S01.359 (Open bite of unspecified ear), from the official CMS tabular data. S01.352 and S01.359 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S01.352
Left
Open bite of left ear
S01.359
Unspecified
Open bite of unspecified ear

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. S01.352 and S01.359 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

S01.352Open bite of left earS01.359Open bite of unspecified ear
Billing statusNon-billable header

Report instead: S01.352A, S01.352D, S01.352S

Non-billable header

Report instead: S01.359A, S01.359D, S01.359S

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)
DefinitionOpen bite of left ear is a non-billable ICD-10-CM category code (S01.352).Open bite of unspecified ear is a non-billable ICD-10-CM category code (S01.359).
7th characterThe appropriate 7th character is to be added to each code from category S01The appropriate 7th character is to be added to each code from category S01
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