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Official Description

Computed tomography, abdomen; with contrast material(s)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Computed tomography (CT) of the abdomen with contrast material is a diagnostic imaging procedure that provides detailed visualization of the abdominal organs and tissues. This advanced imaging technique utilizes multiple narrow X-ray beams that rotate around a single axis, capturing a series of two-dimensional (2D) images from various angles. The use of contrast material, typically an iodine-based dye administered intravenously, enhances the visibility of the structures within the abdomen, allowing for clearer differentiation between various tissues and abnormalities. The data collected during the scan is processed by sophisticated computer software, which generates thin, cross-sectional slices of the targeted area. These 2D images can be further compiled to create three-dimensional (3D) models, offering a comprehensive view of the anatomy. During the procedure, the patient lies on a table that moves into the CT scanner, where the imaging takes place. This procedure is particularly useful for diagnosing conditions such as abdominal pain, swelling, fever, and other suspected issues like appendicitis, kidney stones, tumors, abscesses, or hernias. After the scan, the physician carefully reviews the images for any abnormalities and provides a detailed written interpretation of the findings, which is essential for guiding further medical management and treatment decisions.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Computed tomography of the abdomen with contrast material is indicated for a variety of clinical scenarios where detailed imaging is necessary to assess abdominal conditions. The following are specific indications for performing this procedure:

  • Abdominal Pain The procedure is often performed to investigate the underlying causes of unexplained abdominal pain.
  • Swelling It is indicated when there is noticeable swelling in the abdominal area that requires further evaluation.
  • Fever The scan may be necessary to identify potential sources of infection or other abnormalities in patients presenting with fever.
  • Suspected Appendicitis CT is commonly used to confirm or rule out appendicitis in patients with relevant symptoms.
  • Kidney Stones The procedure helps in locating and assessing the size and position of kidney stones.
  • Tumors, Abscesses, or Masses It is utilized to detect and evaluate tumors, abscesses, or other masses within the abdominal cavity.
  • Hernias The scan can assist in the evaluation of suspected hernias.
  • Infections It is indicated for assessing infections within the abdominal region.
  • Internal Injury The procedure is crucial for evaluating potential internal injuries, especially in trauma cases.

2. Procedure

The procedure for performing a computed tomography scan of the abdomen with contrast material involves several key steps that ensure accurate imaging and patient safety. The following outlines the procedural steps:

  • Patient Preparation Prior to the scan, the patient is informed about the procedure and any necessary preparations, such as fasting or avoiding certain medications. The healthcare provider may also assess the patient's medical history to identify any contraindications to the use of contrast material.
  • Administration of Contrast Material An intravenous (IV) line is established, and iodine-based contrast dye is administered to enhance the visibility of abdominal structures during the scan. The patient may be monitored for any allergic reactions to the contrast material.
  • Positioning the Patient The patient is positioned on the CT scanner table, typically lying flat on their back. Proper positioning is crucial for obtaining high-quality images of the abdomen.
  • Scanning Process The CT scanner is activated, and the table moves through the scanner while the X-ray beams rotate around the patient. The patient may be instructed to hold their breath briefly during the imaging to minimize motion artifacts.
  • Image Acquisition The scanner captures a series of 2D images from multiple angles, which are then processed to create cross-sectional slices of the abdomen. These images are stored for review and interpretation by the physician.
  • Post-Scan Monitoring After the scan is completed, the patient is monitored for any immediate side effects from the contrast material. They may be advised to drink plenty of fluids to help flush the contrast from their system.

3. Post-Procedure

Following the computed tomography scan of the abdomen with contrast material, patients are typically advised to resume normal activities unless otherwise directed by their healthcare provider. It is common for patients to be monitored for a short period to ensure there are no adverse reactions to the contrast material. Patients may experience mild side effects, such as a warm sensation during the injection of the contrast dye or a metallic taste in the mouth, which are generally temporary. Hydration is encouraged to assist in the elimination of the contrast from the body. The physician will review the images obtained during the scan and provide a detailed interpretation of the findings, which will be communicated to the patient and used to guide further medical decisions or treatments as necessary.

Short Descr CT ABDOMEN W/CONTRAST
Medium Descr CT ABDOMEN W/CONTRAST MATERIAL
Long Descr Computed tomography, abdomen; with contrast material(s)
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) 4 - Special payment adjustment rules on the technical component (TC) of multiple diagnostic imaging 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 88 -
APC Status Indicator Codes That May Be Paid Through a Composite APC
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) I2B - Advanced imaging - CAT/CT/CTA: other
MUE 1
CCS Clinical Classification 179 - CT scan abdomen

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

0722T Add On Code MPFS Status: Carrier Priced APC S Quantitative computed tomography (CT) tissue characterization, including interpretation and report, obtained with concurrent CT examination of any structure contained in the concurrently acquired diagnostic imaging dataset (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.
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
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
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
GC This service has been performed in part by a resident under the direction of a teaching physician
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
ME The order for this service adheres to appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional
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).
QQ Ordering professional consulted a qualified clinical decision support mechanism for this service and the related data was provided to the furnishing professional
CR Catastrophe/disaster related
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
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
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
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
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
GA Waiver of liability statement issued as required by payer policy, individual case
CT Computed tomography services furnished using equipment that does not meet each of the attributes of the national electrical manufacturers association (nema) xr-29-2013 standard
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.
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).
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.
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.
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
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
GZ Item or service expected to be denied as not reasonable and necessary
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
MB Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of insufficient internet access
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
Q0 Investigational 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
RT Right side (used to identify procedures performed on the right side of the body)
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
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
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
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
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Action
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2025-01-01 Changed Short Description changed.
2003-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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