ICD-10-PCS Billable Code

08RX77Z

Replacement Lacrimal Duct, Right to No Qualifier with Autologous Tissue Substitute, Via Natural or Artificial Opening Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System8 Eye
OperationR Replacement
Body PartX Lacrimal Duct, Right
Approach7 Via Natural or Artificial Opening
Device7 Autologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part

Procedure Overview

Replacement procedures in the eye involve putting in biological or synthetic material that physically takes the place of all or part of an ocular structure that can no longer perform its function. The most familiar example is intraocular lens implantation after cataract removal, where a clouded natural lens is replaced with an artificial lens to restore clear vision. Other examples include corneal transplantation using donor tissue and, less commonly, prosthetic replacement of orbital or eyelid structures following extensive tissue loss.

These procedures are performed when a body part is damaged beyond repair, diseased, or has degenerated to the point that its native function is permanently compromised. Replacement differs from patching or reinforcing an existing structure; the original tissue's role is essentially taken over by the implanted material, which is why these procedures are often the definitive, final step in restoring functional vision.

Anatomy & Axis Detail

Lacrimal Duct, Right

The right lacrimal duct is part of the drainage pathway that channels tears from the eye into the nasal cavity, and its patency is essential for preventing epiphora and chronic dacryocystitis. Replacement of this structure is considered when congenital atresia, recurrent scarring, or trauma has destroyed the native passage beyond simple dilation or bypass repair, and a synthetic tube or stent is used to reconstitute drainage continuity. This differs from a dacryocystorhinostomy, which creates an alternative bypass route rather than substituting the duct itself. Because lacrimal anatomy is small and closely associated with the nasolacrimal sac and nasal mucosa, precise operative notes are needed to confirm that the procedure replaced duct tissue rather than merely restoring flow through an adjacent created passage.

Approach: Via Natural or Artificial Opening

Via Natural or Artificial Opening means the instrument reaches the target site by passing through an existing body orifice, such as the mouth or urethra, or a surgically created opening like a stoma, without additional incision or scope guidance. It is distinguished from the Endoscopic variant by the absence of a visualizing scope, and from External by actually traversing into the body through that opening.

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 Replacement when documentation shows that a body part was removed or is being substituted by an implant, graft, or prosthetic device that assumes its function, most commonly seen in cataract surgery with intraocular lens placement or in penetrating and lamellar keratoplasty using donor corneal tissue. Operative notes need to specify what was taken out (if anything) and confirm the material inserted, since the qualifying body part value in the code depends on identifying the correct structure being replaced.

A common assignment mistake is coding intraocular lens insertion without pairing it with the appropriate cataract extraction code when both occurred in the same operative episode, since these are usually reported together as distinct procedures. Another error is misidentifying corneal transplant type, since full-thickness and partial-thickness grafts can carry different coding implications depending on documentation detail.

Commonly Confused With

SupplementReplacement is often confused with Supplement, since both involve adding material to the eye; the distinguishing factor is whether the added material takes over the entire function of a body part (Replacement) or merely reinforces an existing structure that continues to function on its own (Supplement).
ResectionIt also overlaps conceptually with Resection, since many Replacement procedures, like corneal transplant, begin with removal of damaged tissue before the graft is placed, but Resection alone does not capture the insertion of replacement material, so the coder must recognize when both elements are documented.