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S09.392S vs S09.399S

S09.392S (Other specified injury of left middle and inner ear, sequela) compared with S09.399S (Other specified injury of unspecified middle and inner ear, sequela), from the official CMS tabular data. S09.392S and S09.399S code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S09.392S
Left
Other specified injury of left middle and inner ear, sequela
S09.399S
Unspecified
Other specified injury of unspecified middle and inner ear, 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. S09.392S and S09.399S 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

S09.392SOther specified injury of left middle and inner ear, sequelaS09.399SOther specified injury of unspecified middle and inner ear, sequela
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionOther specified injury of left middle and inner ear, sequela is a billable ICD-10-CM diagnosis code (S09.392S).Other specified injury of unspecified middle and inner ear, sequela is a billable ICD-10-CM diagnosis code (S09.399S).
7th characterThe appropriate 7th character is to be added to each code from category S09The appropriate 7th character is to be added to each code from category S09
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