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Official Description

Biopsy or excision of lymph node(s); open, internal mammary node(s)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 38530 involves the open biopsy or excision of lymph nodes, specifically targeting the internal mammary nodes. This surgical intervention is typically indicated when there is a need to evaluate or treat conditions affecting the lymphatic system, particularly in the context of breast cancer or other malignancies. The internal mammary nodes are located deep within the chest, adjacent to the sternum, and are part of the lymphatic drainage system of the breast. The procedure requires careful dissection to access these nodes while minimizing damage to surrounding structures, such as nerves and blood vessels. The surgical approach involves making an incision in the skin of the chest, detaching the overlying breast tissue from the pectoralis major muscle, and exposing the internal mammary nodes by dividing the pectoralis major and intercostal muscles. This meticulous technique allows for the removal of one or more lymph nodes or the collection of tissue samples for pathological evaluation, which is crucial for accurate diagnosis and treatment planning.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 38530 is indicated for the following conditions:

  • Suspicion of Malignancy - When there is a clinical suspicion of cancer, particularly breast cancer, necessitating evaluation of the internal mammary lymph nodes.
  • Assessment of Lymphatic Spread - To determine if cancer has spread to the lymphatic system, which can influence treatment decisions and staging of the disease.
  • Pathological Evaluation - When tissue samples are required for histological examination to confirm or rule out malignancy or other pathological conditions.

2. Procedure

The procedure for CPT® Code 38530 involves several critical steps to ensure proper access and removal of the internal mammary lymph nodes:

  • Step 1: Incision - An incision is made in the skin of the chest, typically along the midline or slightly lateral to the sternum, to provide access to the internal mammary region.
  • Step 2: Detachment of Breast Tissue - The overlying breast tissue is carefully detached from the pectoralis major fascia to expose the underlying structures without causing unnecessary trauma.
  • Step 3: Division of Pectoralis Major - The pectoralis major muscle is divided longitudinally to allow for adequate visualization and access to the internal mammary nodes located behind it.
  • Step 4: Exposure of Internal Structures - The sternum, ribs, and intercostal muscles are exposed, which may involve dividing the intercostal muscle or removing a small strip to access the subcostal space effectively.
  • Step 5: Identification and Dissection - The internal mammary vein and artery are identified, and the fatty tissue surrounding the internal mammary nodes is meticulously dissected free to either remove the nodes or obtain tissue samples.
  • Step 6: Specimen Handling - The excised lymph nodes or tissue samples are then sent to the laboratory for pathological evaluation, which is essential for determining the presence of disease.

3. Post-Procedure

After the completion of the procedure, patients may require monitoring for any complications such as bleeding or infection at the incision site. Pain management is typically addressed, and patients are advised on wound care to promote healing. Follow-up appointments are essential to review pathology results and discuss further treatment options based on the findings. Recovery time may vary depending on the individual and the extent of the procedure performed, but patients are generally encouraged to gradually resume normal activities as tolerated.

Short Descr BIOPSY/REMOVAL LYMPH NODES
Medium Descr BX/EXC LYMPH NODE OPEN INT MAMMARY NODE
Long Descr Biopsy or excision of lymph node(s); open, internal mammary node(s)
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) P5E - Ambulatory procedures - 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).
LT Left side (used to identify procedures performed on the left side of the body)
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.
50 Bilateral procedure: unless otherwise identified in the listings, bilateral procedures that are performed at the same session, should be identified by adding modifier 50 to the appropriate 5 digit code. note: this modifier should not be appended to designated "add-on" codes (see appendix d).
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.
77 Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
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
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
GC This service has been performed in part by a resident under the direction of a teaching physician
RT Right side (used to identify procedures performed on the right side of the body)
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
Date
Action
Notes
2011-01-01 Changed Short description changed.
2001-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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