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Official Description

Ultrasound, breast, unilateral, real time with image documentation, including axilla when performed; limited

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

A real-time ultrasound of the breast, designated by CPT® Code 76642, is a diagnostic imaging procedure that focuses on a specific area of the breast, either the right or left side, and includes the axillary region when applicable. This procedure is particularly useful for evaluating breast abnormalities that may have been identified during a physical examination or through mammography. The ultrasound technique allows for the differentiation between solid masses and fluid-filled cysts, as well as the assessment of additional structural features of the abnormal area and the surrounding tissues. During the procedure, the patient is positioned supine, with the arm on the side being examined raised above the head to optimize access to the breast. Acoustic coupling gel is applied to ensure effective transmission of the ultrasound waves, and a transducer is placed firmly against the skin of the breast. The transducer emits ultrasonic wave pulses, which penetrate the breast tissue and are reflected back, creating images based on the echoes received. These images are crucial for evaluating any detected abnormalities, as they help in identifying specific characteristics that may lead to a definitive diagnosis. Unlike a complete unilateral ultrasound examination, which is covered under CPT® Code 76641 and involves a thorough evaluation of all four quadrants of the breast, CPT® Code 76642 is focused on a limited area of interest, allowing for a more targeted assessment. The physician is responsible for reviewing the obtained ultrasound images and providing a comprehensive written interpretation of the findings.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The ultrasound procedure coded as CPT® 76642 is indicated for the evaluation of specific breast abnormalities. These indications may include:

  • Breast Masses - To assess the characteristics of palpable or imaging-detected masses in the breast.
  • Fluid Collections - To evaluate cysts or other fluid-filled structures within the breast tissue.
  • Abnormal Mammography Findings - To further investigate areas of concern identified during mammography screenings.
  • Localized Symptoms - To examine specific areas of the breast in patients presenting with localized pain or other symptoms.

2. Procedure

The procedure for CPT® 76642 involves several key steps to ensure accurate imaging and assessment of the breast. These steps include:

  • Patient Positioning - The patient is positioned supine on the examination table, with the arm on the side being examined raised above the head. This positioning allows for optimal access to the breast tissue and enhances the quality of the ultrasound images.
  • Application of Acoustic Coupling Gel - A layer of acoustic coupling gel is applied to the breast. This gel is essential for facilitating the transmission of ultrasound waves, ensuring that the images obtained are clear and accurate.
  • Transducer Placement - The ultrasound transducer is placed firmly against the skin of the breast. The transducer is a handheld device that emits ultrasonic waves and receives the echoes that bounce back from the breast tissue.
  • Image Acquisition - The transducer is moved back and forth over the area of interest, capturing real-time images of the breast. The ultrasonic waves penetrate the tissue and are reflected back, allowing for the visualization of both normal and abnormal structures within the breast.
  • Evaluation of Abnormalities - The images obtained during the procedure are carefully evaluated by the physician. They assess the characteristics of any detected abnormalities, which may include size, shape, and composition, to aid in diagnosis.
  • Written Interpretation - After reviewing the ultrasound images, the physician provides a written interpretation of the findings, summarizing the results and any recommendations for further action if necessary.

3. Post-Procedure

Post-procedure care for patients undergoing CPT® 76642 is generally minimal. Patients may be advised to resume normal activities immediately following the ultrasound. There are typically no specific restrictions or recovery protocols required after the procedure. However, patients should be informed that they may receive follow-up communication regarding the results of the ultrasound and any further diagnostic steps that may be recommended based on the findings. It is important for patients to discuss any concerns or symptoms with their healthcare provider during follow-up visits.

Short Descr ULTRASOUND BREAST LIMITED
Medium Descr US BREAST UNI REAL TIME WITH IMAGE LIMITED
Long Descr Ultrasound, breast, unilateral, real time with image documentation, including axilla when performed; limited
Status Code Active Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 1 - Diagnostic Tests for Radiology Services
Multiple Procedures (51) 0 - No 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) 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 STV-Packaged Codes
ASC Payment Indicator Packaged service/item; no separate payment made.
Type of Service (TOS) 4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS) I3F - Echography/ultrasonography - other
MUE 1

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

0690T Add-on Code MPFS Status: Carrier Priced APC N Quantitative ultrasound tissue characterization (non-elastographic), including interpretation and report, obtained with diagnostic ultrasound examination of the same anatomy (eg, organ, gland, tissue, target structure) (List separately in addition to code for primary procedure)
0857T Add On Code MPFS Status: Carrier Priced APC S Opto-acoustic imaging, breast, unilateral, including axilla when performed, real-time with image documentation, augmentative analysis and report (List separately in addition to code for primary procedure)
26 Professional component: certain procedures are a combination of a physician or other qualified health care professional component and a technical component. when the physician or other qualified health care professional component is reported separately, the service may be identified by adding modifier 26 to the usual procedure number.
RT Right side (used to identify procedures performed on the right side of the body)
LT Left side (used to identify procedures performed on the left side of the body)
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).
TC Technical component; under certain circumstances, a charge may be made for the technical component alone; under those circumstances the technical component charge is identified by adding modifier 'tc' to the usual procedure number; technical component charges are institutional charges and not billed separately by physicians; however, portable x-ray suppliers only bill for technical component and should utilize modifier tc; the charge data from portable x-ray suppliers will then be used to build customary and prevailing profiles
X5 Diagnostic services requested by another clinician: for reporting services by a clinician who furnishes care to the patient only as requested by another clinician or subsequent and related services requested by another clinician; this modifier is reported for patient relationships that may not be adequately captured by the above alternative categories; reporting clinician service examples include but are not limited to, the radiologist's interpretation of an imaging study requested by another clinician
GA Waiver of liability statement issued as required by payer policy, individual case
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.
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
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.
GC This service has been performed in part by a resident under the direction of a teaching physician
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main 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
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.
GZ Item or service expected to be denied as not reasonable and necessary
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
CR Catastrophe/disaster related
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
27 Multiple outpatient hospital e/m encounters on the same date: for hospital outpatient reporting purposes, utilization of hospital resources related to separate and distinct e/m encounters performed in multiple outpatient hospital settings on the same date may be reported by adding modifier 27 to each appropriate level outpatient and/or emergency department e/m code(s). this modifier provides a means of reporting circumstances involving evaluation and management services provided by physician(s) in more than one (multiple) outpatient hospital setting(s) (eg, hospital emergency department, clinic). note: this modifier is not to be used for physician reporting of multiple e/m services performed by the same physician on the same date. for physician reporting of all outpatient evaluation and management services provided by the same physician on the same date and performed in multiple outpatient setting(s) (eg, hospital emergency department, clinic), see evaluation and management, emergency department, or preventive medicine services codes.
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).
56 Preoperative management only: when 1 physician or other qualified health care professional performed the preoperative care and evaluation and another performed the surgical procedure, the preoperative component may be identified by adding modifier 56 to the usual procedure number.
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.
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.)
AG Primary physician
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
ER Items and services furnished by a provider-based, off-campus emergency department
FY X-ray taken using computed radiography technology/cassette-based imaging
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
GW Service not related to the hospice patient's terminal condition
GX Notice of liability issued, voluntary under payer policy
GY Item or service statutorily excluded, does not meet the definition of any medicare benefit or, for non-medicare insurers, is not a contract benefit
KX Requirements specified in the medical policy have been met
MH Unknown if ordering professional consulted a clinical decision support mechanism for this service, related information was not provided to the furnishing professional or provider
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
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
Q5 Service furnished under a reciprocal billing arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
QQ Ordering professional consulted a qualified clinical decision support mechanism for this service and the related data was provided to the furnishing professional
TH Obstetrical treatment/services, prenatal or postpartum
TL Early intervention/individualized family service plan (ifsp)
XP Separate practitioner, a service that is distinct because it was performed by a different practitioner
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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2015-01-01 Added Added
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