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Official Description

Repair, paraesophageal hiatal hernia, (including fundoplication), via thoracoabdominal incision, except neonatal; with implantation of mesh or other prosthesis

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

A paraesophageal hiatal hernia is a condition where the upper part of the stomach, known as the fundus, protrudes into the chest cavity alongside the esophagus while the gastroesophageal junction remains in its normal position. This type of hernia can lead to various complications, including obstruction or strangulation of the stomach. The surgical procedure described by CPT® Code 43337 involves a repair of this hernia through a combined thoracoabdominal incision, which is particularly indicated for patients who have undergone previous diaphragmatic hernia surgeries or those with hernias that cannot be reduced manually. The approach allows for direct access to both the thoracic and abdominal cavities, facilitating the identification and management of the hernia sac, the diaphragm's muscular origins, and the esophageal hiatus. During the procedure, if a previous fundoplication has been performed, it is carefully taken down to allow for proper repair. The herniated stomach is then mobilized back into the abdominal cavity, and the hernia sac is excised while protecting the anterior vagus nerve. If a fundoplication is indicated, the fundus of the stomach may be wrapped around the esophagus and secured, utilizing various techniques such as Nissen or Toupet procedures. The diaphragm is subsequently repaired, either with sutures or reinforced with mesh or other prosthetic materials, ensuring a robust closure. Finally, the surgical sites in the abdomen and thorax are closed, and chest tubes may be placed as necessary to facilitate recovery.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 43337 is indicated for the following conditions:

  • Paraesophageal Hiatal Hernia - This condition involves the abnormal positioning of the stomach's fundus into the thoracic cavity, which can lead to complications such as obstruction or strangulation.
  • Previous Diaphragmatic Hernia Surgery - Patients who have undergone prior surgical interventions for diaphragmatic hernias may require this repair due to complications or recurrence.
  • Irreducible Hernia - This procedure is suitable for patients with hernias that cannot be manually reduced, necessitating surgical intervention for correction.

2. Procedure

The surgical procedure for repairing a paraesophageal hiatal hernia via CPT® Code 43337 involves several critical steps:

  • Step 1: Incision - A left posterolateral thoracotomy is performed to access the thoracic cavity, while an upper abdominal incision is made to expose the diaphragm and stomach. This dual approach allows for simultaneous access to both the chest and abdomen.
  • Step 2: Dissection - The surgeon conducts a thorough dissection in both the upper abdomen and left chest, carefully dividing any adhesions that may be present. This step is crucial for gaining clear visibility and access to the hernia sac and surrounding structures.
  • Step 3: Identification of Structures - The paraesophageal hernia sac, the muscular origins (crura) of the diaphragm, and the esophageal hiatus are identified. This identification is essential for the subsequent steps of the repair.
  • Step 4: Management of Previous Fundoplication - If the patient has had a previous fundoplication, this is taken down to allow for proper repair of the hernia.
  • Step 5: Mobilization of the Herniated Stomach - The herniated portion of the stomach is mobilized and returned to the abdominal cavity. Care is taken to protect the anterior vagus nerve during this process.
  • Step 6: Excision of the Hernia Sac - The hernia sac is excised to prevent future complications and to facilitate a proper repair of the diaphragm.
  • Step 7: Fundoplication (if indicated) - If a fundoplication is performed, the fundus of the stomach is wrapped around the esophagus and sutured to the muscle layer of the stomach and/or esophagus. Various techniques may be employed, including Nissen or Toupet procedures for a complete wrap, or Belsey IV or Belsey Mark IV (BMIV) for a partial wrap.
  • Step 8: Diaphragm Repair - The diaphragm is repaired using sutures or reinforced with mesh or other prosthetic material, as indicated by the procedure code.
  • Step 9: Closure - Finally, the abdomen and thorax are closed, and chest tubes may be placed as needed to facilitate drainage and recovery.

3. Post-Procedure

Post-procedure care following the repair of a paraesophageal hiatal hernia includes monitoring for complications such as infection, bleeding, or respiratory issues due to the thoracic approach. Patients may require pain management and will be monitored for any signs of gastrointestinal obstruction. Recovery typically involves a gradual return to normal activities, with specific dietary modifications as advised by the healthcare provider. Follow-up appointments are essential to assess the surgical site and ensure proper healing.

Short Descr THORABD DIAPHR HERN REPAIR
Medium Descr RPR PARAESOPH HIATAL HERNIA THORCOABDOM W/MESH
Long Descr Repair, paraesophageal hiatal hernia, (including fundoplication), via thoracoabdominal incision, except neonatal; with implantation of mesh or other prosthesis
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) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
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 Inpatient Procedures, not paid under OPPS
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE 1
CCS Clinical Classification 86 - Other hernia repair

This is a primary code that can be used with these additional add-on codes.

43338 Addon Code MPFS Status: Active Code APC C Esophageal lengthening procedure (eg, Collis gastroplasty or wedge gastroplasty) (List separately in addition to code for primary procedure)
22 Increased procedural services: when the work required to provide a service is substantially greater than typically required, it may be identified by adding modifier 22 to the usual procedure code. documentation must support the substantial additional work and the reason for the additional work (ie, increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required). note: this modifier should not be appended to an e/m service.
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
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.
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
GC This service has been performed in part by a resident under the direction of a teaching physician
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2011-01-01 Added Added
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