Skip to main content

H11.422 vs H11.429

H11.422 (Conjunctival edema, left eye) compared with H11.429 (Conjunctival edema, unspecified eye), from the official CMS tabular data. H11.422 and H11.429 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

H11.422
Left
Conjunctival edema, left eye
H11.429
Unspecified
Conjunctival edema, 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. H11.422 and H11.429 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

H11.422Conjunctival edema, left eyeH11.429Conjunctival edema, unspecified eye
Billing statusBillableBillable
ClassificationH00-H59 — Diseases of the eye and adnexaH00-H59 — Diseases of the eye and adnexa
DefinitionConjunctival edema, left eye is a billable ICD-10-CM diagnosis code (H11.422).Conjunctival edema, unspecified eye is a billable ICD-10-CM diagnosis code (H11.429).

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