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Official Description

Retroperitoneal transabdominal lymphadenectomy, extensive, including pelvic, aortic, and renal nodes (separate procedure)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 38780 refers to a retroperitoneal transabdominal lymphadenectomy, which is an extensive surgical operation aimed at removing lymph nodes located in the retroperitoneal space, specifically targeting pelvic, aortic, and renal nodes. This procedure is classified as a separate procedure, indicating that it is performed independently and is not part of a more extensive surgical intervention. The retroperitoneal space is an anatomical area located behind the peritoneum, which houses vital structures including the kidneys, aorta, inferior vena cava, and various lymph nodes. The lymphadenectomy is typically initiated on the same side as the malignancy, allowing for a focused approach to potentially affected lymphatic tissues. The surgical technique involves careful dissection to preserve critical anatomical structures such as the genitofemoral nerve and the psoas muscle, ensuring minimal damage to surrounding tissues. The procedure is comprehensive, involving the exploration and removal of lymph nodes from both sides of the body, and includes meticulous inspection for any signs of metastatic disease. This thorough approach is essential for accurate staging and treatment planning in patients with malignancies that may have spread to the lymphatic system.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The retroperitoneal transabdominal lymphadenectomy (CPT® Code 38780) is indicated for patients with malignancies that may involve the lymphatic system, particularly when there is a suspicion or confirmation of metastatic disease in the retroperitoneal lymph nodes. The procedure is typically performed in cases where lymphatic spread is a concern, and it is essential for staging the cancer and determining the appropriate course of treatment. The specific indications include:

  • Malignancy Presence Patients diagnosed with cancers that have a potential for lymphatic spread, such as testicular cancer, certain gynecological cancers, or other abdominal malignancies.
  • Metastatic Disease Evidence of metastatic disease in the retroperitoneal lymph nodes, which necessitates surgical intervention for accurate staging and treatment planning.
  • Preoperative Assessment Situations where preoperative imaging suggests involvement of pelvic, aortic, or renal lymph nodes, warranting surgical exploration and removal.

2. Procedure

The retroperitoneal transabdominal lymphadenectomy involves several critical procedural steps that ensure thorough removal of lymphatic tissues while preserving surrounding structures. The steps include:

  • Initial Exploration The procedure begins with an exploration of the pelvic lymph nodes on the same side as the malignancy. This initial step is crucial for assessing the extent of lymphatic involvement and determining the necessary surgical approach.
  • Dissection of Fatty Tissue Careful dissection is performed to strip fatty tissue from the mid-portion of both common iliac vessels and along the internal and external iliac vessels, extending to the level of the circumflex iliac vein. This step is vital for accessing the lymph nodes while minimizing damage to critical vascular structures.
  • Excising Iliac, Hypogastric, and Obturator Nodes Bilateral excision of iliac, hypogastric, and obturator nodes is conducted to ensure comprehensive removal of potentially affected lymphatic tissues.
  • Transabdominal Approach The retroperitoneum is fully exposed using a transabdominal approach, allowing for a clear view and access to the lymphatic structures. This exposure is essential for thorough inspection and dissection.
  • Inspection for Metastatic Disease A detailed inspection of the retroperitoneum is performed to identify any evidence of metastatic disease, which may influence further surgical decisions.
  • Aortic Lymph Node Dissection The dissection of aortic lymph nodes begins at the take-off of the renal vessels, extending laterally to the ureters and inferiorly to the bifurcation of the inferior mesenteric artery. This step is critical for removing lymph nodes that may harbor cancerous cells.
  • Excising Aortic Lymph Nodes Aortic lymph nodes are excised along with surrounding tissue to ensure complete removal of potentially involved nodes. This excision is crucial for accurate staging and treatment.
  • Sampling Contralateral Nodes Depending on the extent of lymph node involvement on the ipsilateral side, lymph nodes on the contralateral side may also be sampled and excised to ensure comprehensive evaluation and treatment of the lymphatic system.

3. Post-Procedure

Post-procedure care following a retroperitoneal transabdominal lymphadenectomy involves monitoring for complications such as bleeding, infection, or damage to surrounding structures. Patients may require pain management and should be observed for any signs of postoperative complications. Recovery typically includes a period of rest and gradual resumption of normal activities, with follow-up appointments scheduled to assess healing and discuss pathology results from the excised lymph nodes. The extent of recovery may vary based on the individual patient's health status and the complexity of the procedure performed.

Short Descr REMOVE ABDOMEN LYMPH NODES
Medium Descr RPR TABDL LMPHADEC EXTNSV W/PEL AORTIC&RNL
Long Descr Retroperitoneal transabdominal lymphadenectomy, extensive, including pelvic, aortic, and renal nodes (separate procedure)
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 67 - Other therapeutic procedures, hemic and lymphatic system

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

38900 Addon Code MPFS Status: Active Code APC N ASC N1 Intraoperative identification (eg, mapping) of sentinel lymph node(s) includes injection of non-radioactive dye, when performed (List separately in addition to code for primary procedure)
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).
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
GC This service has been performed in part by a resident under the direction of a teaching physician
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.
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.
62 Two surgeons: when 2 surgeons work together as primary surgeons performing distinct part(s) of a procedure, each surgeon should report his/her distinct operative work by adding modifier 62 to the procedure code and any associated add-on code(s) for that procedure as long as both surgeons continue to work together as primary surgeons. each surgeon should report the co-surgery once using the same procedure code. if additional procedure(s) (including add-on procedure(s) are performed during the same surgical session, separate code(s) may also be reported with modifier 62 added. note: if a co-surgeon acts as an assistant in the performance of additional procedure(s), other than those reported with the modifier 62, during the same surgical session, those services may be reported using separate procedure code(s) with modifier 80 or modifier 82 added, as appropriate.
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.)
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
CR Catastrophe/disaster related
LT Left side (used to identify procedures performed on the left side of the body)
PD Diagnostic or related non diagnostic item or service provided in a wholly owned or operated entity to a patient who is admitted as an inpatient within 3 days
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
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
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