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Official Description

Kidney imaging morphology; with vascular flow and function, single study without pharmacological intervention

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 78707 involves the assessment of the kidneys' morphology, vascular flow, and function through a single imaging study that does not utilize pharmacological interventions. This imaging technique employs scintigraphy, which is a diagnostic method that uses a radiolabeled isotope tracer to visualize the kidneys. The kidneys play a crucial role in filtering waste from the bloodstream, maintaining chemical balance, and producing essential hormones such as erythropoietin, renin, and calcitriol. These hormones are vital for red blood cell production, blood pressure regulation, and calcium absorption, respectively. The procedure is particularly useful for evaluating various renal conditions, including renal blood flow issues, renovascular hypertension, renal cysts, tumors, abscesses, and overall kidney disease. Additionally, it can be employed to monitor the health and function of kidney transplants. During the procedure, an intravenous line is established to facilitate the injection of the radiolabeled isotope tracer directly into the patient's circulatory system. The patient is then positioned on an imaging table, where a gamma camera is focused on the kidneys to capture images. Scanning occurs at predetermined intervals, and the emitted radioactive energy is converted into visual images for analysis. It is important to note that this specific code is applicable when the assessment is conducted without the administration of diuretics or ACE-inhibitor medications, which are used in other related codes for more detailed evaluations.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure associated with CPT® Code 78707 is indicated for the evaluation of various renal conditions and functions. The following are the specific indications for performing this imaging study:

  • Renal Blood Flow Assessment This procedure is utilized to evaluate the blood flow to the kidneys, which is essential for understanding renal function and diagnosing potential vascular issues.
  • Renovascular Hypertension It helps in determining if hypertension is related to renal vascular flow, which can influence treatment decisions.
  • Evaluation of Renal Cysts The imaging can assist in identifying and characterizing renal cysts, which may require further management.
  • Detection of Tumors This procedure is used to identify renal tumors, providing critical information for diagnosis and treatment planning.
  • Assessment of Abscesses It aids in the detection of renal abscesses, which are localized infections that may need intervention.
  • Monitoring Kidney Disease The imaging study is beneficial for monitoring the progression of kidney disease and assessing the effectiveness of ongoing treatments.
  • Kidney Transplant Monitoring It is also employed to monitor the function and health of kidney transplants, ensuring that the transplanted organ is functioning properly.

2. Procedure

The procedure for CPT® Code 78707 involves several key steps that ensure accurate imaging of the kidneys. The following outlines the procedural steps:

  • Establishment of Intravenous Access An intravenous line is established to facilitate the administration of the radiolabeled isotope tracer. This step is crucial as it allows for direct delivery of the tracer into the patient's circulatory system.
  • Injection of Radiolabeled Isotope Tracer The radiolabeled isotope tracer is injected through the intravenous line. This tracer is essential for visualizing the kidneys during the imaging process, as it emits radioactive energy that can be detected by the gamma camera.
  • Patient Positioning The patient is positioned on the imaging table, ensuring that the gamma camera is appropriately focused on the kidneys. Proper positioning is vital for obtaining clear and accurate images of the renal structures.
  • Scanning Process Scanning is performed at specific intervals to capture images of the kidneys. The gamma camera detects the radioactive energy emitted by the tracer, converting it into images that reflect the morphology and function of the kidneys.
  • Image Interpretation After the scanning is complete, the physician interprets the images obtained from the study. This interpretation is critical for diagnosing any renal conditions and understanding the overall function of the kidneys.
  • Written Report Finally, the physician provides a written report detailing the findings from the imaging study. This report is essential for clinical decision-making and further management of the patient's renal health.

3. Post-Procedure

Post-procedure care for patients undergoing the imaging study associated with CPT® Code 78707 typically involves monitoring for any immediate reactions to the radiolabeled isotope tracer. Patients may be advised to drink plenty of fluids to help flush the tracer from their system. There are generally no significant recovery concerns, as the procedure is non-invasive and does not require sedation. Patients can usually resume normal activities shortly after the procedure. However, they should follow any specific instructions provided by the healthcare provider regarding follow-up care or additional testing if necessary.

Short Descr K FLOW/FUNCT IMAGE W/O DRUG
Medium Descr KIDNEY IMG MORPHOLOGY VASCULAR FLOW 1 W/O RX
Long Descr Kidney imaging morphology; with vascular flow and function, single study without pharmacological intervention
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) 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 Procedure or Service, Not Discounted when Multiple
ASC Payment Indicator Radiology service paid separately when provided integral to a surgical procedure on ASC list; payment based on OPPS relative payment weight.
Type of Service (TOS) 4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS) I1E - Standard imaging - nuclear medicine
MUE 1
CCS Clinical Classification 209 - Radioisotope scan and function studies
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.
GC This service has been performed in part by a resident under the direction of a teaching physician
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
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
MG The order for this service does not have applicable appropriate use criteria in the qualified clinical decision support mechanism consulted by the ordering professional
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
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).
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.
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.
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
CR Catastrophe/disaster related
GW Service not related to the hospice patient's terminal condition
LT Left side (used to identify procedures performed on the left side of the body)
MA Ordering professional is not required to consult a clinical decision support mechanism due to service being rendered to a patient with a suspected or confirmed emergency medical condition
MC Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of electronic health record or clinical decision support mechanism vendor issues
ME The order for this service adheres to appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional
MF The order for this service does not adhere to the appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional
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
Q3 Live kidney donor surgery and related services
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
QQ Ordering professional consulted a qualified clinical decision support mechanism for this service and the related data was provided to the furnishing professional
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
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
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2007-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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