ICD-10-CM > H00-H59 > H10-H11 > H11 > H11.4 > H11.41 H11.41 Vascular abnormalities of conjunctiva Non-Billable/Non-Specific Applicable To Conjunctival aneurysm Codes H11.411Vascular abnormalities of conjunctiva, right eyeH11.412Vascular abnormalities of conjunctiva, left eyeH11.413Vascular abnormalities of conjunctiva, bilateralH11.419Vascular abnormalities of conjunctiva, unspecified eye