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Official Description

Computed tomography, lumbar spine; with contrast material

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

Computed tomography (CT) of the lumbar spine with contrast material is a diagnostic imaging procedure that utilizes advanced X-ray technology to create detailed images of the lower back region. This procedure involves the use of multiple, narrow X-ray beams that rotate around a single axis, capturing a series of two-dimensional (2D) images from various angles. The application of contrast material, typically an iodine-based dye, enhances the visibility of structures within the lumbar spine, allowing for improved diagnostic accuracy. The process begins with the patient being positioned on a table that slides into the CT scanner, where images of the lumbar spine are obtained. The data collected is then processed by computer software to generate thin, cross-sectional slices of the spine, which can be stacked to create three-dimensional models for further analysis. This imaging technique is particularly useful for identifying a range of spinal conditions, including bone diseases, fractures, injuries, and congenital anomalies in pediatric patients. It is important to note that this procedure differs from other related codes, such as CPT® Code 72131, which does not utilize contrast material, and CPT® Code 72133, which involves imaging both with and without contrast material. If an intrathecal injection of contrast is performed, it must be reported separately, emphasizing the need for precise coding and documentation in the context of lumbar spine imaging.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure of computed tomography (CT) of the lumbar spine with contrast material is indicated for various clinical scenarios where detailed imaging of the lumbar region is necessary. The following conditions may warrant this diagnostic approach:

  • Bone Disease The procedure is utilized to evaluate suspected bone diseases that may affect the lumbar spine, providing insights into conditions such as osteoporosis or tumors.
  • Fractures CT imaging is essential for detecting and assessing fractures in the lumbar vertebrae, which may not be clearly visible on standard X-rays.
  • Injuries The procedure is indicated for patients who have sustained injuries to the lumbar spine, allowing for a comprehensive evaluation of soft tissue and bony structures.
  • Congenital Anomalies In pediatric patients, CT with contrast can help identify congenital defects of the spine, aiding in early diagnosis and management.

2. Procedure

The procedure for performing a computed tomography (CT) scan of the lumbar spine with contrast material involves several key steps to ensure accurate imaging and patient safety. The following outlines the procedural steps:

  • Step 1: Patient Preparation The patient is first prepared for the procedure, which may include obtaining a medical history and informing them about the use of contrast material. The patient may be asked to change into a gown and remove any metal objects that could interfere with the imaging process.
  • Step 2: Administration of Contrast Material Depending on the clinical indication, the contrast material, typically an iodine-based dye, is administered either intravenously or intrathecally. If an intrathecal injection is performed, it is done under sterile conditions and may require additional monitoring.
  • Step 3: Positioning the Patient The patient is positioned on the CT scanner table, ensuring comfort and stability. Proper alignment is crucial for obtaining high-quality images of the lumbar spine.
  • Step 4: Imaging Acquisition Once the patient is in position, the CT scanner is activated. The machine rotates around the patient, capturing multiple 2D images of the lumbar spine from various angles. The use of contrast material enhances the visibility of structures, allowing for better differentiation between normal and abnormal findings.
  • Step 5: Image Processing After the imaging is complete, the collected data is processed by computer software to create detailed cross-sectional images of the lumbar spine. These images can be further reconstructed into three-dimensional models for comprehensive analysis.
  • Step 6: Review and Interpretation The final step involves the physician reviewing the images to identify any abnormalities, such as fractures, bone diseases, or congenital anomalies. The findings are documented and communicated to the referring physician for further management.

3. Post-Procedure

After the completion of the computed tomography (CT) scan of the lumbar spine with contrast material, the patient may be monitored for a short period, especially if contrast was administered intrathecally. It is important to observe for any adverse reactions to the contrast material, although such reactions are rare. Patients are typically advised to drink plenty of fluids to help flush the contrast dye from their system. The physician will review the images and provide a report detailing the findings, which will be shared with the referring physician for further evaluation and treatment planning. Patients may resume normal activities unless otherwise instructed by their healthcare provider.

Short Descr CT LUMBAR SPINE W/DYE
Medium Descr CT LUMBAR SPINE W/CONTRAST MATERIAL
Long Descr Computed tomography, lumbar spine; with contrast material
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 MPFS nonfacility PE RVUs.
Type of Service (TOS) 4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS) I2B - Advanced imaging - CAT/CT/CTA: other
MUE 1
CCS Clinical Classification 180 - Other CT scan

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.
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).
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
GC This service has been performed in part by a resident under the direction of a teaching physician
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
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
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
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
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
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.
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
ME The order for this service adheres to appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional
GW Service not related to the hospice patient's terminal condition
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
QQ Ordering professional consulted a qualified clinical decision support mechanism for this service and the related data was provided to the furnishing professional
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).
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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
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.
CR Catastrophe/disaster related
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.
96 Habilitative services: when a service or procedure that may be either habilitative or rehabilitative in nature is provided for habilitative purposes, the physician or other qualified health care professional may add modifier 96 to the service or procedure code to indicate that the service or procedure provided was a habilitative service. habilitative services help an individual learn skills and functioning for daily living that the individual has not yet developed, and then keep and/or improve those learned skills. habilitative services also help an individual keep, learn, or improve skills and functioning for daily living.
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
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
ET Emergency services
GA Waiver of liability statement issued as required by payer policy, individual case
GQ Via asynchronous telecommunications system
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)
MB Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of insufficient internet access
MD Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of extreme and uncontrollable circumstances
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
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
QJ Services/items provided to a prisoner or patient in state or local custody, however the state or local government, as applicable, meets the requirements in 42 cfr 411.4 (b)
RT Right side (used to identify procedures performed on the right side of the body)
U6 Medicaid level of care 6, as defined by each state
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
XP Separate practitioner, a service that is distinct because it was performed by a different practitioner
Date
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2003-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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