ICD-10-PCS Billable Code

0LMH4ZZ

Reattachment Perineum Tendon to No Qualifier with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemL Tendons
OperationM Reattachment
Body PartH Perineum Tendon
Approach4 Percutaneous Endoscopic
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Putting back in or on all or a portion of a separated body part to its normal location or other suitable location

Procedure Overview

Reattachment procedures on tendons address situations where a tendon has been completely severed or avulsed from its normal attachment point and needs to be surgically reconnected. This happens after traumatic injuries such as lacerations from sharp objects, sports injuries that tear a tendon from bone, or amputation and replantation cases where an entire digit or limb segment, along with its tendons, must be rejoined.

The goal is to restore continuity so the muscle-tendon unit can once again transmit force to move a joint, whether that's a finger flexor tendon cut in a workshop accident or an Achilles tendon torn from the calcaneus. Surgeons typically suture the tendon ends together or anchor the tendon back to bone using sutures or fixation devices, then protect the repair with splinting or bracing during healing.

Because tendons have limited blood supply, timing and technique matter, and reattachment is often performed urgently to give the best chance of the tissue healing back together and regaining strength.

Anatomy & Axis Detail

Perineum Tendon

The perineum contains tendinous structures associated with the pelvic floor and perineal muscles, including central tendon attachments that anchor muscles supporting the pelvic organs and contributing to continence. Reattachment in this region is typically performed after obstetric trauma, pelvic surgery, or traumatic injury has separated a perineal tendon from its normal attachment, and restoring this connection is important for maintaining pelvic floor integrity and function. Because the perineum is a compact area containing tendinous structures shared by multiple muscle groups such as the bulbospongiosus and superficial transverse perineal muscles, the surgeon must carefully identify the specific structure and its correct anatomic position during repair. This body part has no laterality designation since the perineum is treated as a single midline region.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

Coding & Documentation

A Reattachment code applies when the documentation clearly states that a tendon was completely separated from its body and is being put back to its normal or a suitable anatomic location. The operative note should specify which tendon was involved, whether the reattachment is to its original site or an adjacent structure, and the approach used, since fine and gross motor tendons in the hand and foot have many separately identified body part values.

The recurring assignment error is coding Reattachment for injuries that are only partial tears, which belong under Repair instead, since Reattachment requires complete detachment. Another common mistake is confusing tendon reattachment during a replantation with the reattachment codes for the limb or digit itself; both may need to be coded separately when multiple structures are reconnected in one procedure. Coders also sometimes miss that reattaching a tendon to a different location than its original one, such as during certain reconstructive transfers, may actually point to Transfer rather than Reattachment.

Commonly Confused With

RepairReattachment is most often confused with Repair, and the distinction hinges entirely on whether the tendon was completely detached, which calls for Reattachment, or only partially damaged, which calls for Repair.
TransferIt is also confused with Transfer, used when an intact tendon is moved to a new location to take over a different function while keeping its native attachment at one end, rather than being reconnected at its original severed site.
ReplacementReplacement is a separate consideration when a damaged tendon segment is substituted with graft material rather than reconnected.