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Official Description

Implantation of non-biologic or synthetic implant (eg, polypropylene) for fascial reinforcement of the abdominal wall (List separately in addition to code for primary procedure)

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 0437T refers to the implantation of a non-biologic or synthetic implant, such as polypropylene, specifically designed for the reinforcement of the abdominal wall fascia. This procedure is typically performed during surgical interventions where there is a heightened risk of developing an incisional hernia, particularly in patients who have undergone abdominal surgery. The use of a synthetic mesh implant serves as a preventative measure, augmenting the native fascia to provide additional support and stability. These implants can be either permanent, like polypropylene, or absorbable materials such as Dexon or Vicryl, and they come in various thicknesses to suit different surgical needs. As the surgical site heals, the body forms scar tissue that integrates with the mesh, effectively reinforcing the fascia and muscle tissue. The technique involves careful dissection of the fascia from adjacent tissues, followed by reapproximation and the application of the mesh using a non-biologic prophylactic reinforcement method, which includes an interrupted onlay of the mesh to the anterior fascia. This approach aims to enhance the structural integrity of the abdominal wall and reduce the likelihood of hernia formation post-surgery.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The implantation of a non-biologic or synthetic implant for fascial reinforcement of the abdominal wall is indicated in specific clinical scenarios. These include:

  • High Risk for Incisional Hernia: Patients who are determined to be at an elevated risk for developing an incisional hernia following abdominal surgery.
  • Abdominal Surgery: Surgical procedures that involve significant manipulation or alteration of the abdominal wall, which may compromise its structural integrity.

2. Procedure

The procedure for the implantation of a non-biologic or synthetic implant involves several critical steps to ensure proper placement and effectiveness. These steps include:

  • Dissection of the Fascia: The first step involves carefully dissecting the fascia from the surrounding tissues. This is crucial to access the area where the implant will be placed and to ensure that the native fascia is adequately prepared for reinforcement.
  • Reapproximation of the Fascia: After dissection, the fascia is reapproximated to restore its position. This step is essential for maintaining the anatomical integrity of the abdominal wall and providing a stable base for the implant.
  • Placement of the Mesh: The synthetic mesh is then placed using a non-biologic prophylactic reinforcement technique. This involves an interrupted onlay of the mesh to the anterior fascia, ensuring that the implant is securely positioned to provide the necessary support.

3. Post-Procedure

Post-procedure care following the implantation of the synthetic mesh includes monitoring the surgical site for signs of infection or complications. Patients are typically advised on activity restrictions to allow for proper healing and integration of the mesh with the surrounding tissue. Follow-up appointments may be scheduled to assess the recovery process and ensure that the implant is functioning as intended. Additionally, patients should be educated on recognizing any unusual symptoms that may indicate complications, such as increased pain or swelling at the site of the implant.

Short Descr IMPLTJ SYNTH RNFCMT ABDL WAL
Medium Descr IMPLTJ NONBIOL/SYNTH IMPLT FASC RNFCMT ABDL WALL
Long Descr Implantation of non-biologic or synthetic implant (eg, polypropylene) for fascial reinforcement of the abdominal wall (List separately in addition to code for primary procedure)
Status Code Carriers Price the Code
Global Days ZZZ - Code Related to Another Service
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 0 - No payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Items and Services Packaged into APC Rates
ASC Payment Indicator Packaged service/item; no separate payment made.
Berenson-Eggers TOS (BETOS) P5E - Ambulatory procedures - other
MUE 1
58 Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
78 Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period: it may be necessary to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure). when this procedure is related to the first, and requires the use of an operating/procedure room, it may be reported by adding modifier 78 to the related procedure. (for repeat procedures, see modifier 76.)
79 Unrelated procedure or service by the same physician or other qualified health care professional during the postoperative period: the individual may need to indicate that the performance of a procedure or service during the postoperative period was unrelated to the original procedure. this circumstance may be reported by using modifier 79. (for repeat procedures on the same day, see modifier 76.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
82 Assistant surgeon (when qualified resident surgeon not available): the unavailability of a qualified resident surgeon is a prerequisite for use of modifier 82 appended to the usual procedure code number(s).
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
ET Emergency services
GC This service has been performed in part by a resident under the direction of a teaching physician
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)
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
Date
Action
Notes
2017-01-01 Added First appearance in codebook.
2017-01-01 Changed Code description changed.
2016-07-01 Added Code Added.
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