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H10.212 vs H10.219

H10.212 (Acute toxic conjunctivitis, left eye) compared with H10.219 (Acute toxic conjunctivitis, unspecified eye), from the official CMS tabular data. H10.212 and H10.219 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

H10.212
Left
Acute toxic conjunctivitis, left eye
H10.219
Unspecified
Acute toxic conjunctivitis, unspecified eye

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. H10.212 and H10.219 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

H10.212Acute toxic conjunctivitis, left eyeH10.219Acute toxic conjunctivitis, unspecified eye
Billing statusBillableBillable
ClassificationH00-H59 — Diseases of the eye and adnexaH00-H59 — Diseases of the eye and adnexa
DefinitionAcute toxic conjunctivitis, left eye is a billable ICD-10-CM diagnosis code (H10.212).Acute toxic conjunctivitis, unspecified eye is a billable ICD-10-CM diagnosis code (H10.219).
Code first
(T51-T65) to identify chemical and intent
(T51-T65) to identify chemical and intent

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