Coding Ahead
CasePilot
Medical Coding Assistant
Case2Code
Search and Code Lookup Tool
RedactPHI
HIPAA-Compliant PHI Redaction
DetectICD10CM
ICD-10-CM Code Detection
Log in Register free account
1 code page views remaining. Guest accounts are limited to 1 page view. Register free account to get 5 more views.
Log in Register free account
Code deleted, to report see 19499

Official Description

Destruction/reduction of malignant breast tumor with externally applied focused microwave, including interstitial placement of disposable catheter with combined temperature monitoring probe and microwave focusing sensocatheter under ultrasound thermotherapy guidance

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Focused microwave therapy (FMT) is a specialized medical procedure designed for the destruction or reduction of malignant breast tumors. This technique utilizes externally applied focused microwave energy, which is particularly effective due to the unique properties of malignant breast tumor cells. These cells typically contain a higher water content compared to surrounding healthy breast tissue, making them more susceptible to damage from elevated temperatures. FMT can serve as either a primary treatment or an adjunctive therapy, especially for patients who may not be suitable candidates for traditional surgical options such as lumpectomy or mastectomy. The procedure is minimally invasive, often involving the use of local anesthetics to ensure patient comfort. During the treatment, a multiprobe catheter is inserted directly into the tumor under ultrasound guidance, allowing for precise targeting of the tumor. The patient is positioned on a modified stereotactic breast needle biopsy table, where the breast is compressed to facilitate the application of microwave energy. This method not only aims to destroy the tumor but may also enhance the effectiveness of subsequent radiation therapy and chemotherapy by sensitizing the tumor cells. The entire FMT process typically lasts between 20 to 30 minutes, concluding with the removal of the catheter and probes, followed by the application of a sterile dressing to the puncture sites.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Focused microwave therapy (FMT) is indicated for the treatment of malignant breast tumors in patients who meet specific criteria. The following conditions may warrant the use of this procedure:

  • Malignant Breast Tumors - FMT is specifically designed for the destruction or reduction of malignant tumors located in the breast.
  • Patients Declining Traditional Surgery - This procedure may be suitable for patients who choose not to undergo conventional surgical options such as lumpectomy or mastectomy.
  • Poor Surgical Candidates - Individuals who are deemed poor candidates for surgery due to various health factors may benefit from this minimally invasive treatment.
  • Adjunctive Treatment - FMT can be utilized as an adjunctive therapy to enhance the effectiveness of radiation therapy and chemotherapy, making tumor cells more sensitive to these treatments.

2. Procedure

The procedure for focused microwave therapy (FMT) involves several critical steps to ensure effective treatment of malignant breast tumors. Each step is carefully executed to maximize the therapeutic outcome while minimizing discomfort for the patient.

  • Step 1: Anesthesia Administration - The procedure begins with the administration of a local anesthetic to the patient. This is crucial for ensuring that the patient remains comfortable throughout the treatment process.
  • Step 2: Catheter Insertion - Following anesthesia, a multiprobe catheter is inserted directly into the tumor. This insertion is guided by ultrasound imaging, which allows for precise placement within the tumor mass.
  • Step 3: Patient Positioning - The patient is then positioned on a modified stereotactic breast needle biopsy table. This specialized table facilitates optimal access to the breast tissue and ensures stability during the procedure.
  • Step 4: Breast Compression - The breast is compressed between two plates. This compression is essential for isolating the target area and enhancing the effectiveness of the microwave energy application.
  • Step 5: Probe and Microwave Applicator Placement - A probe is placed into the catheter and secured to the skin. Additionally, microwave applicators are positioned at opposing angles to focus the microwave energy on the tumor.
  • Step 6: Microwave Energy Application - The microwaves are then focused on the target area of the isolated breast. A skin cooling device is applied to protect the surrounding healthy tissue from excessive heat.
  • Step 7: Treatment Duration - The target area is exposed to high-temperature microwave currents for a prescribed duration, typically lasting between 20 to 30 minutes, depending on the specific treatment plan.
  • Step 8: Removal of Equipment - After the treatment is completed, the probes and catheter are carefully removed from the breast.
  • Step 9: Dressing Application - Finally, a sterile dressing is placed over the small puncture sites in the skin to promote healing and prevent infection.

3. Post-Procedure

After the focused microwave therapy (FMT) procedure, patients may experience some mild discomfort at the treatment site, which is typically manageable with over-the-counter pain relief. It is important for patients to follow any specific post-procedure care instructions provided by their healthcare provider. This may include keeping the dressing clean and dry, monitoring the puncture sites for signs of infection, and scheduling follow-up appointments to assess the treatment's effectiveness. Patients are generally advised to avoid strenuous activities for a short period following the procedure to allow for proper healing. The healthcare team will provide guidance on when normal activities can be resumed and any additional treatments that may be necessary as part of the overall cancer management plan.

Short Descr MW THERAPY FOR BREAST TUMOR
Medium Descr DEST/REDUC MALIG BRST TUMR W/US THRMORX GUIDANCE
Long Descr Destruction/reduction of malignant breast tumor with externally applied focused microwave, including interstitial placement of disposable catheter with combined temperature monitoring probe and microwave focusing sensocatheter under ultrasound thermotherapy guidance
Status Code Carriers Price the Code
Global Days XXX - Global Concept Does Not Apply
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 Hospital Part B services paid through a comprehensive APC
Type of Service (TOS) 1 - Medical Care
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE Not applicable/unspecified.
CCS Clinical Classification 166 - Lumpectomy, quadrantectomy of breast
Date
Action
Notes
2018-01-01 Deleted Code deleted, to report see 19499
2017-12-31 Deleted Code deleted, see 19499.
2017-01-01 Changed Moderate (Conscious) Sedation flag removed. See new Moderate Sedation category.
2013-01-01 Added First appearance in code book
2013-01-01 Changed Guideline information changed.
2012-01-01 Added Added
Code
Description
Code
Description
CasePilot

Get instant expert-level medical coding assistance.

Ask about:
CPT Codes Guidelines Modifiers Crosswalks NCCI Edits Compliance Medicare Coverage
Example: "What is CPT code 99213?" or "Guidelines for E/M services"