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H35.102 vs H35.109

H35.102 (Retinopathy of prematurity, unspecified, left eye) compared with H35.109 (Retinopathy of prematurity, unspecified, unspecified eye), from the official CMS tabular data. H35.102 and H35.109 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

H35.102
Left
Retinopathy of prematurity, unspecified, left eye
H35.109
Unspecified
Retinopathy of prematurity, unspecified, 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. H35.102 and H35.109 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

H35.102Retinopathy of prematurity, unspecified, left eyeH35.109Retinopathy of prematurity, unspecified, unspecified eye
Billing statusBillableBillable
ClassificationH00-H59 — Diseases of the Eye and Adnexa (H00-H59)H00-H59 — Diseases of the Eye and Adnexa (H00-H59)
DefinitionRetinopathy of prematurity, unspecified, left eye is a billable ICD-10-CM diagnosis code (H35.102).Retinopathy of prematurity, unspecified, unspecified eye is a billable ICD-10-CM diagnosis code (H35.109).

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