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CPT®
77409

CPT® Code 77409
Deleted

Code deleted, see 77407

Official Description

Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks; 11-19 MeV

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 77409 refers to a specific type of radiation treatment delivery that involves the use of advanced techniques to target tumors effectively. This procedure is characterized by the delivery of radiation to two separate treatment areas, utilizing three or more ports within a single treatment area. The radiation beam used in this procedure operates at a strength of 11 to 19 megavolts (MeV), which is a measure of the energy of the radiation. This energy level is significant as it allows for deeper penetration into the tissues, making it suitable for treating various types of tumors that may be located in different anatomical regions. The use of multiple blocks during the treatment helps to shape and direct the radiation precisely, minimizing exposure to surrounding healthy tissues while maximizing the dose delivered to the tumor. This code is essential for accurate medical coding and billing, as it specifies the complexity and intensity of the radiation treatment provided to patients.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure associated with CPT® Code 77409 is indicated for the treatment of various tumors located in different anatomical areas of the body. The following conditions may warrant the use of this specific radiation treatment delivery:

  • Multiple Tumors The presence of tumors in two separate areas that require targeted radiation therapy.
  • Complex Treatment Needs Situations where three or more ports are necessary to effectively deliver radiation to a single treatment area.
  • Advanced Tumor Characteristics Tumors that are located at depths requiring higher energy radiation beams (11-19 MeV) for effective treatment.

2. Procedure

The procedure for CPT® Code 77409 involves several critical steps to ensure effective radiation delivery. The following outlines the procedural steps:

  • Preparation of Treatment Areas The physician begins by identifying and marking the two separate treatment areas on the patient's body. This is crucial for ensuring accurate targeting during radiation delivery.
  • Setup of Radiation Equipment The radiation delivery system is calibrated to emit a beam strength of 11 to 19 MeV. The equipment is configured to allow for the use of multiple ports, which will facilitate the delivery of radiation from different angles.
  • Application of Blocks Multiple blocks are utilized to shape the radiation beam. These blocks help to protect surrounding healthy tissues while allowing the radiation to focus on the tumor sites. The physician carefully positions these blocks based on the specific anatomy of the patient and the location of the tumors.
  • Delivery of Radiation The radiation is then delivered through the configured ports to the designated treatment areas. The physician monitors the process to ensure that the radiation is being delivered accurately and effectively.
  • Post-Treatment Assessment After the radiation delivery is complete, the physician assesses the treatment areas to ensure that the procedure was conducted as planned and to evaluate any immediate effects.

3. Post-Procedure

Following the procedure associated with CPT® Code 77409, patients may require specific post-treatment care. This can include monitoring for any immediate side effects of radiation therapy, such as skin irritation or fatigue. Patients are typically advised to follow up with their healthcare provider to assess the effectiveness of the treatment and to discuss any further necessary interventions. Additionally, ongoing assessments may be scheduled to monitor the response of the tumors to the radiation therapy and to manage any long-term effects that may arise from the treatment.
Short Descr RADIATION TREATMENT DELIVERY
Medium Descr RADJ DLVR 2 AREAS 3/>PORTS 1 MLT BLKS 11-19MEV
Long Descr Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks; 11-19 MeV
Status Code Active Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 3 - Technical Component Only 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 9 - 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 Procedure or Service, Not Discounted when Multiple
Type of Service (TOS) 6 - Therapeutic Radiology
Berenson-Eggers TOS (BETOS) P7A - Oncology - radiation therapy
MUE Not applicable/unspecified.
CCS Clinical Classification 211 - Therapeutic radiology
Date
Action
Notes
2015-01-01 Deleted Code deleted, see 77407
2009-01-01 Changed Code description changed.
1991-01-01 Added First appearance in code book in 1991.
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Description
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