Skip to main content

H16.402 vs H16.409

H16.402 (Unspecified corneal neovascularization, left eye) compared with H16.409 (Unspecified corneal neovascularization, unspecified eye), from the official CMS tabular data. H16.402 and H16.409 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

H16.402
Left
Unspecified corneal neovascularization, left eye
H16.409
Unspecified
Unspecified corneal neovascularization, 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. H16.402 and H16.409 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

H16.402Unspecified corneal neovascularization, left eyeH16.409Unspecified corneal neovascularization, unspecified eye
Billing statusBillableBillable
ClassificationH00-H59 — Diseases of the Eye and Adnexa (H00-H59)H00-H59 — Diseases of the Eye and Adnexa (H00-H59)
DefinitionUnspecified corneal neovascularization, left eye is a billable ICD-10-CM diagnosis code (H16.402).Unspecified corneal neovascularization, unspecified eye is a billable ICD-10-CM diagnosis code (H16.409).

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