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Official Description

Tissue expander placement in breast reconstruction, including subsequent expansion(s)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 19357 refers to the procedure of tissue expander placement in breast reconstruction, which is a critical step in the process of restoring breast shape and volume following a mastectomy. This procedure involves the surgical insertion of a tissue expander, a device designed to gradually stretch the skin and underlying tissues of the breast area. The physician begins by making an incision at the site of a previous mastectomy, which allows access to the chest wall. Underneath the remaining chest wall tissue, a pocket is created to accommodate the tissue expander. This expander is then inserted into the pocket, where it can be inflated over time to achieve the desired breast size. The inflation process involves the injection of saline into the expander, which can either remain inside the body or have its inflation point brought outside for easier access. The gradual expansion of the tissue expander is essential, as it allows the skin and tissue to adapt and stretch, preparing for the eventual placement of a permanent implant. Once the desired size is achieved, the tissue expander is typically removed in a subsequent surgical procedure, at which point a permanent breast implant may be placed. This method not only aids in the physical reconstruction of the breast but also plays a significant role in the psychological and emotional recovery of patients following breast cancer treatment.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure of tissue expander placement in breast reconstruction is indicated for patients who have undergone a mastectomy due to breast cancer or other medical conditions that necessitate the removal of breast tissue. The following conditions may warrant this procedure:

  • Breast Cancer Treatment: Patients who have had a mastectomy as part of their treatment for breast cancer may require reconstruction to restore breast shape and volume.
  • Congenital Breast Defects: Individuals born with breast deformities or asymmetries may also be candidates for tissue expander placement to achieve a more symmetrical appearance.
  • Post-Trauma Reconstruction: Patients who have experienced trauma resulting in breast tissue loss may benefit from this reconstructive procedure.

2. Procedure

The procedure for tissue expander placement involves several key steps that ensure the successful insertion and future expansion of the device. Each step is crucial for achieving the desired outcome in breast reconstruction.

  • Step 1: Incision Creation The surgeon begins by making an incision at the site of the previous mastectomy. This incision is strategically placed to minimize scarring and facilitate access to the underlying tissue.
  • Step 2: Pocket Formation After the incision is made, the surgeon carefully dissects the remaining chest wall tissue to create a pocket. This pocket is designed to hold the tissue expander securely in place.
  • Step 3: Tissue Expander Insertion Once the pocket is formed, the tissue expander is inserted into this space. The expander is a flexible device that can be gradually inflated over time.
  • Step 4: Inflation Mechanism The inflation point of the expander can either remain inside the body or be brought outside for easier access. Saline is injected into the expander through this point, allowing for controlled expansion.
  • Step 5: Gradual Expansion The expander is gradually inflated over a series of visits, allowing the skin and tissue to stretch and adapt to the increasing volume. This process continues until the desired breast size is achieved.
  • Step 6: Removal of Expander Once the desired size is reached, the tissue expander is typically removed in a separate surgical procedure, at which point a permanent breast implant may be placed.

3. Post-Procedure

After the tissue expander placement procedure, patients can expect a recovery period that may involve some discomfort and swelling in the breast area. It is important for patients to follow their surgeon's post-operative care instructions, which may include managing pain with prescribed medications, monitoring the incision site for signs of infection, and attending follow-up appointments for expansion sessions. The gradual inflation of the expander will be scheduled over several weeks or months, depending on the individual’s healing process and desired outcomes. Patients should also be aware that the expander will remain in place until the final reconstruction phase, which involves the removal of the expander and placement of a permanent implant.

Short Descr TISS XPNDR PLMT BRST RCNSTJ
Medium Descr TISSUE EXPANDER PLACEMENT BREAST RECONSTRUCTION
Long Descr Tissue expander placement in breast reconstruction, including subsequent expansion(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 Device-intensive procedure added to ASC list in CY 2008 or later; paid at adjusted rate.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1A - Major procedure - breast
MUE 1
CCS Clinical Classification 175 - Other OR therapeutic procedures on skin and breast
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).
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)
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
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
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.
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.
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).
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).
53 Discontinued procedure: under certain circumstances, the physician or other qualified health care professional may elect to terminate a surgical or diagnostic procedure. due to extenuating circumstances or those that threaten the well being of the patient, it may be necessary to indicate that a surgical or diagnostic procedure was started but discontinued. this circumstance may be reported by adding modifier 53 to the code reported by the individual for the discontinued procedure. note: this modifier is not used to report the elective cancellation of a procedure prior to the patient's anesthesia induction and/or surgical preparation in the operating suite. for outpatient hospital/ambulatory surgery center (asc) 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.
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.
74 Discontinued out-patient hospital/ambulatory surgery center (asc) procedure after administration of anesthesia: due to extenuating circumstances or those that threaten the well being of the patient, the physician may terminate a surgical or diagnostic procedure after the administration of anesthesia (local, regional block(s), general) or after the procedure was started (incision made, intubation started, scope inserted, etc). under these circumstances, the procedure started but terminated can be reported by its usual procedure number and the addition of modifier 74. note: the elective cancellation of a service prior to the administration of anesthesia and/or surgical preparation of the patient should not be reported. for physician reporting of a discontinued procedure, see modifier 53.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
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.
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).
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
CR Catastrophe/disaster related
GA Waiver of liability statement issued as required by payer policy, individual case
GJ "opt out" physician or practitioner emergency or urgent service
GZ Item or service expected to be denied as not reasonable and necessary
KX Requirements specified in the medical policy have been met
SG Ambulatory surgical center (asc) facility service
X4 Episodic/focused services: for reporting services by clinicians who provide focused care on particular types of treatment limited to a defined period and circumstance; the patient has a problem, acute or chronic, that will be treated with surgery, radiation, or some other type of generally time-limited intervention; reporting clinician service examples include but are not limited to, the orthopedic surgeon performing a knee replacement and seeing the patient through the postoperative period
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
Date
Action
Notes
2021-01-01 Changed Code changed.
1992-01-01 Added First appearance in code book in 1992.
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