ICD-10-PCS Billable Code

08U00KZ

Supplement Eye, Right to No Qualifier with Nonautologous Tissue Substitute, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System8 Eye
OperationU Supplement
Body Part0 Eye, Right
Approach0 Open
DeviceK Nonautologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part

Procedure Overview

Supplement procedures add biological or synthetic material to reinforce or augment an eye structure that is still present and functioning, without replacing its core function. Common examples include patch grafting to reinforce a thinned or weakened sclera, placement of amniotic membrane grafts over the ocular surface to support healing, and augmentation of eyelid or orbital tissue with grafft material to correct volume deficits or support structural integrity.

These procedures are typically performed when a structure remains anatomically present and capable of function but needs additional support to withstand mechanical stress, promote healing, or maintain proper shape and position, distinguishing them from procedures where the original tissue is discarded and substituted. Supplement is often used alongside repair work, providing reinforcement to an area that has already been surgically addressed.

Anatomy & Axis Detail

Eye, Right

Supplement procedures on the right eye as a whole involve augmenting the globe or surrounding orbital structures with biological or synthetic material rather than replacing diseased tissue outright, as would occur with replacement, and are used in situations like orbital implant placement after enucleation or evisceration, or reinforcement of scleral tissue with a patch graft to manage thinning or perforation. Because the eye comprises multiple layered structures, this code applies when the material reinforces or forms part of the eye generally rather than a single named substructure like the cornea or iris, and documentation should clarify the material used - autograft, allograft, or synthetic - along with its anatomical placement. This distinction from repair matters because supplement specifically adds functional or structural tissue rather than merely restoring a defect's integrity.

Approach: Open

Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.

Device: Nonautologous Tissue Substitute

Nonautologous Tissue Substitute refers to biologic material sourced from a donor or another species, such as an allograft or xenograft, used to replace a body part. It differs from Autologous Tissue Substitute by tissue origin outside the patient's own body, and from Synthetic Substitute by being biologic rather than manufactured material.

Coding & Documentation

Coders assign Supplement when documentation shows that material, whether autologous tissue, donor tissue, or synthetic substance, was added to reinforce or bulk up an existing structure, and it remains distinguishable from the code assigned for any concurrent Repair or other procedure performed on the same structure. Common documentation to look for includes amniotic membrane grafting for corneal or conjunctival surface support and scleral patch grafting for thinning or perforation risk.

A frequent mistake is coding a reinforcing graft as Replacement, when the native structure is not being taken over in function but simply bolstered, or as Repair, when actual material was added rather than the defect merely being closed with sutures. Coders should also verify whether the material used is documented clearly enough to support the correct device or substance value in the code.

Commonly Confused With

ReplacementSupplement is most often confused with Replacement, since both involve adding material to the eye, but the deciding factor is whether the native structure continues to perform its own function with added reinforcement (Supplement) or whether the added material takes over the structure's role entirely (Replacement).
RepairIt is also distinguished from Repair, where the objective is closing or restoring a structural defect using the body's own tissue or simple suturing rather than introducing additional material to bolster the structure.