ICD-10-PCS Billable Code

08U137Z

Supplement Eye, Left to No Qualifier with Autologous Tissue Substitute, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System8 Eye
OperationU Supplement
Body Part1 Eye, Left
Approach3 Percutaneous
Device7 Autologous 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, Left

For the left eye, supplement procedures add reinforcing or augmenting material to the globe or its supporting orbital tissue without removing the eye's own structure, commonly seen in scleral patch grafting for thinning or staphyloma, or in placement of an orbital implant to restore volume following globe removal. The choice of graft material - human donor sclera, synthetic mesh, or another biocompatible substance - shapes both surgical outcome and how the procedure is coded, since supplement is distinct from repair in that it physically adds tissue rather than closing or restoring a defect with the eye's own structure. Because this code applies at the level of the eye overall, it is used when the intervention is not confined to a single more specific structure such as the cornea, conjunctiva, or iris.

Approach: Percutaneous

Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.

Device: Autologous Tissue Substitute

Autologous Tissue Substitute identifies a device value where material harvested from the patient's own body, such as an autograft, is used to replace or reconstruct a body part. Its defining feature is tissue origin from the patient, setting it apart from Nonautologous Tissue Substitute, sourced from a donor or animal, and Synthetic Substitute, made of 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.