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Official Description

Neurectomy, popliteal (gastrocnemius)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 27326 refers to a neurectomy of the popliteal region, specifically targeting the gastrocnemius muscle. In simpler terms, this surgical intervention involves the excision of a segment of the nerve that supplies the hamstring muscle. The primary objective of this procedure is to alleviate conditions such as clonus, which is characterized by involuntary muscle contractions, or successive spasms of the muscle. During the operation, the physician makes a transverse incision across the hamstring muscle, allowing access to the underlying fascia. This fascia is then divided to reach the nerves that innervate the muscle. To accurately identify the correct nerve for excision, the physician may apply electrical current or gentle pressure, which can induce a muscle spasm, thereby confirming the nerve's role in muscle innervation. Once the appropriate nerve is located, it is divided, effectively severing the transmission of electrical impulses to the muscle, and subsequently removed. The procedure concludes with the closure of the wound, ensuring proper healing and recovery.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The neurectomy procedure described by CPT® Code 27326 is indicated for specific conditions that affect the gastrocnemius muscle and surrounding structures. The following are the primary indications for performing this procedure:

  • Clonus A condition characterized by involuntary muscle contractions that can lead to muscle spasms.
  • Successive muscle spasms Recurrent episodes of muscle contractions that may cause discomfort or functional impairment.

2. Procedure

The neurectomy procedure involves several critical steps to ensure successful excision of the targeted nerve. The following outlines the procedural steps as described:

  • Step 1: Incision The surgeon begins by making a transverse incision across the hamstring muscle. This incision is strategically placed to provide optimal access to the underlying structures while minimizing damage to surrounding tissues.
  • Step 2: Division of fascia After the incision is made, the fascia, which is the connective tissue surrounding the muscle, is carefully divided. This step is essential to expose the nerves that innervate the gastrocnemius muscle.
  • Step 3: Identification of the nerve The surgeon identifies the correct nerve by applying electrical current or gentle pressure. This technique helps to produce a muscle spasm, confirming the nerve's role in muscle innervation and ensuring that the correct nerve is targeted for excision.
  • Step 4: Division and removal of the nerve Once the appropriate nerve is identified, it is divided, effectively severing the connection of electrical impulses to the muscle. The segment of the nerve is then removed to alleviate the symptoms associated with clonus or muscle spasms.
  • Step 5: Wound closure The final step involves closing the wound. The surgeon ensures that the incision is properly sutured to promote healing and minimize the risk of complications.

3. Post-Procedure

After the neurectomy procedure, patients can expect specific post-operative care and recovery considerations. It is important to monitor the surgical site for any signs of infection or complications. Patients may experience some discomfort or pain in the area, which can be managed with prescribed pain relief medications. Physical therapy may be recommended to aid in recovery and restore function to the affected limb. The overall recovery time can vary depending on individual factors, but patients are typically advised to follow up with their healthcare provider to assess healing and discuss any ongoing symptoms or concerns.

Short Descr NEURECTOMY POPLITEAL
Medium Descr NEURECTOMY POPLITEAL
Long Descr Neurectomy, popliteal (gastrocnemius)
Status Code Active Code
Global Days 090 - Major Surgery
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 1 - 150% payment adjustment for bilateral procedures applies.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 2 - Payment restriction for assistants at surgery does not apply to this procedure...
Co-Surgeons (62) 1 - Co-surgeons could be paid, though supporting documentation is required...
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Hospital Part B services paid through a comprehensive APC
ASC Payment Indicator Surgical procedure on ASC list in CY 2007; payment based on OPPS relative payment weight.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P5B - Ambulatory procedures - musculoskeletal
MUE 1
CCS Clinical Classification 9 - Other OR therapeutic nervous system procedures
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
LT Left side (used to identify procedures performed on the left side of the body)
RT Right side (used to identify procedures performed on the right side of the body)
Date
Action
Notes
2011-01-01 Changed Short description changed.
2007-01-01 Added First appearance in code book in 2007.
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