How To Use CPT Code 70336

CPT 70336 describes the diagnostic procedure of magnetic resonance imaging (MRI) for the temporomandibular joint(s). This article will cover the description, official details, procedure, qualifying circumstances, appropriate usage, documentation requirements, billing guidelines, historical information, similar codes and billing examples.

1. What is CPT Code 70336?

CPT 70336 is used to describe the diagnostic procedure of magnetic resonance imaging (MRI) for the temporomandibular joint(s). This code is specifically used when imaging of the TMJ is performed using MRI technology. MRI is a noninvasive imaging technique that utilizes a magnetic field and radiofrequency pulses to produce detailed 3D images of the soft tissues and internal structures of the body. In the case of CPT 70336, the focus is on imaging the TMJ to evaluate its condition and detect any abnormalities.

2. Official Description

The official description of CPT code 70336 is: ‘Magnetic resonance imaging (MRI) of the temporomandibular joint(s)’. This code specifically refers to the use of MRI technology to image the TMJ(s) and assess their structure and function.

3. Procedure

1. The patient is positioned on a sliding table, and a radio antenna device called a surface coil is placed around the upper part of the head.
2. The patient’s head is then positioned inside the MRI gantry, and the imaging sequences are performed.
3. The MRI machine uses a magnetic field and radiofrequency waves to capture detailed images of the TMJ(s) and surrounding structures.
4. The patient is required to remain still during the imaging process, but some movement may be allowed between sequences.
5. In some cases, a contrast material may be injected into the patient’s vein to enhance the visibility of certain tissues or blood vessels.
6. The entire procedure generally takes between 15 to 45 minutes, depending on the number of images needed and the level of detail required.

4. Qualifying circumstances

CPT 70336 is used when a patient undergoes MRI imaging specifically for the evaluation of the temporomandibular joint(s). This procedure is typically performed to assess the structure and function of the TMJ(s) and to detect any abnormalities or conditions affecting these joints. The imaging is carried out by a qualified healthcare professional, such as a radiologist, who specializes in interpreting MRI scans.

5. When to use CPT code 70336

CPT code 70336 should be used when an MRI scan is performed specifically for the evaluation of the temporomandibular joint(s). This code is not appropriate for other types of MRI scans or for imaging of different body parts. It is important to accurately document the reason for the MRI scan and ensure that it aligns with the specific indication for imaging the TMJ(s).

6. Documentation requirements

To support a claim for CPT 70336, the following documentation is typically required:

• Indication for the MRI scan, specifying the need for imaging of the temporomandibular joint(s)
• Date and time of the procedure
• Details of the MRI sequences performed
• Any use of contrast material, including the type and amount administered
• Findings and impressions from the radiologist interpreting the MRI scan
• Signature of the healthcare professional performing or supervising the procedure

7. Billing guidelines

When billing for CPT 70336, it is important to ensure that the procedure performed aligns with the specific indication for imaging the temporomandibular joint(s). This code should not be reported for MRI scans of other body parts or for different diagnostic purposes. Additionally, it is important to follow any specific billing guidelines provided by the payer or insurance company to ensure accurate and timely reimbursement.

8. Historical information

CPT code 70336 was added to the Current Procedural Terminology system on January 1, 1990. There have been no updates or changes to the code since its addition.

9. Examples

1. A patient with chronic TMJ pain undergoes an MRI scan of the temporomandibular joint(s) to assess for any structural abnormalities.
2. A dentist refers a patient with suspected TMJ disorder for an MRI scan to evaluate the joint(s) and determine the appropriate treatment plan.
3. A patient involved in a car accident undergoes an MRI scan of the TMJ(s) to assess for any traumatic injuries or damage.
4. A patient with a history of TMJ dysfunction undergoes routine MRI imaging to monitor the progression of their condition and assess the effectiveness of treatment.
5. A healthcare professional orders an MRI scan of the TMJ(s) for a patient with unexplained jaw pain to rule out any underlying pathology.
6. A patient with a known TMJ disorder undergoes an MRI scan to evaluate the joint(s) before undergoing surgical intervention.
7. A radiologist performs an MRI scan of the TMJ(s) to assess for any signs of inflammation or degenerative changes in a patient with suspected arthritis.
8. A patient with a history of TMJ clicking and popping undergoes an MRI scan to determine the cause of their symptoms and guide treatment decisions.
9. A dentist orders an MRI scan of the TMJ(s) for a patient with difficulty opening their mouth fully to assess for any joint abnormalities or restrictions.
10. A patient with a history of TMJ trauma undergoes an MRI scan to evaluate the joint(s) and determine the extent of any damage or dislocation.