0LMR4ZZ
Reattachment Knee Tendon, Left to No Qualifier with No Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | L Tendons |
| Operation | M Reattachment |
| Body Part | R Knee Tendon, Left |
| Approach | 4 Percutaneous Endoscopic |
| Device | Z No Device |
| Qualifier | Z 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
Knee Tendon, Left
On the left knee, the patellar tendon serves as the critical link between the quadriceps mechanism and the tibia, and its rupture is a disabling injury that eliminates active knee extension. Reattachment becomes necessary when the tendon has torn away from the inferior pole of the patella or the tibial tuberosity, situations that demand direct bony fixation rather than tendon-to-tendon suturing alone. Surgeons commonly use heavy nonabsorbable suture passed through bone tunnels or anchored with suture screws, sometimes reinforced with wire cerclage or graft augmentation for chronic or high-demand tears. Because the knee tendon body part designation is specific to this region, coders should confirm from the documentation that the patellar or another named knee tendon, rather than a nearby ligament, was the structure actually reattached.
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.