ICD-10-PCS Billable Code

0YMH0ZZ

Reattachment Lower Leg, Right to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemY Anatomical Regions, Lower Extremities
OperationM Reattachment
Body PartH Lower Leg, Right
Approach0 Open
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 in this family restore a lower extremity part - a toe, foot, leg, or the entire limb - that has been completely or partially severed, fixing it back onto the body at or near its original position. The most common scenario is traumatic amputation from a crush injury, machinery accident, or sharp-force trauma, where the severed part is preserved on ice and surgically reconnected within hours. Surgeons reattach bone with plates or wires, then repair blood vessels, nerves, tendons, and skin in a staged sequence so blood flow is restored as early as possible.

The goal is to save a functional limb rather than leave the patient with an amputation stump, though not every severed part is salvageable - crush damage, prolonged ischemia, or contamination can rule it out. Recovery is long and involves close monitoring for vascular compromise, since reattached tissue can fail days after surgery even when the initial procedure succeeds.

Anatomy & Axis Detail

Lower Leg, Right

The right lower leg comprises the tibia and fibula along with the gastrocnemius and soleus muscles, the anterior and posterior tibial vessels, and the peroneal and tibial nerves, all of which must be addressed when reattaching this segment after a below-knee traumatic amputation. Surgeons generally fix the tibia first to reestablish length and rotational alignment, since the fibula is a secondary structural element, then proceed to repair the tibial or peroneal vessels and nerve trunks that run close to the bone in this narrow compartment. The lower leg's tight fascial compartments make it particularly susceptible to compartment syndrome once circulation is restored, so fasciotomy is a routine part of the reattachment sequence in this region.

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.

Coding & Documentation

A coder assigns from this family only when operative notes describe reconnecting a body part to its own body at the site of detachment, not simply repairing damaged tissue that remained attached. Documentation should specify the part reattached (toe, foot, lower leg) and confirm it is the patient's own severed part put back, since replacing a lost part with a prosthesis or someone else's tissue is not Reattachment. A frequent error is coding Reattachment when the operative note actually describes flap transfer or replantation of a graft rather than the patient's original detached part; another is missing that the vessel and nerve repairs performed during the same operation are typically captured as part of the combined procedure rather than coded separately when integral to it.

Commonly Confused With

RepairRepair and Reattachment are the pairing coders confuse most: Repair fixes a part that is still attached but damaged, while Reattachment specifically reconnects a part that was fully or partially detached.
TransferTransfer procedures, which move living tissue while keeping its own blood supply intact, differ from Reattachment because the tissue was never separated from the body.
SupplementSupplement is distinct because it adds reinforcing material rather than reconnecting a severed structure.