Use 70328 for radiographic examination of one temporomandibular joint. This code describes MRI rather than radiography.
On this page
CMS RVU26D · Effective 2026-10-01
70336 Jaw joint MRI Medicare reimbursement rates in Iowa
MRI of the temporomandibular joint evaluates joint structures when symptoms such as persistent jaw pain, locking, or restricted opening need imaging assessment. Compare 70336 office and facility rates across CMS payment localities in Iowa.
Amounts below use the non-QP conversion factor for participating physicians. These are base physician payments before claim-level adjustments, not patient costs or total hospital charges.
What does Medicare pay for 70336 in Iowa?
Iowa has 1 payment locality in this comparison. Use the service location to choose the applicable amount. These are the supported base rates for the payment area shown below, using the same CMS release.
Office / nonfacility
$239.69
1 of 1 localities have a supported rate.
Payment area: Iowa
One mapped payment locality.
Facility setting
No supported rate
These are locality ranges, not averages or address-specific quotes. A facility-setting amount covers the physician service; it does not include a hospital’s separate bill. Choose a locality below to inspect its calculation, compare other payment areas, or price a percentage of Medicare.
Radiology
About 70336: Temporomandibular joint MRI
MRI of the temporomandibular joint evaluates joint structures when symptoms such as persistent jaw pain, locking, or restricted opening need imaging assessment.
This service uses magnetic resonance imaging to assess the temporomandibular joint, particularly soft-tissue structures such as the articular disc. It may be ordered for a patient with persistent joint pain, clicking or locking, or limited jaw opening when the clinical question concerns internal joint derangement. A technologist performs the scan, and a radiologist or other qualified physician interprets the images. Dentists, oral and maxillofacial surgeons, and physicians may request the study as part of evaluating jaw-joint symptoms.
The record should support the imaging indication and include the interpreted findings. Medicare allows the service to be billed globally when one supplier provides both the equipment and staff and the interpretation, or split into a technical component with modifier TC and a professional interpretation with modifier 26. The code is priced as bilateral, so modifier 50 does not increase payment. When other diagnostic imaging procedures are reported, the multiple-procedure reduction applies to both the technical and professional components.
CMS billing rules for 70336
- Professional and technical components
- Diagnostic test with a professional component (modifier 26, interpretation) and a technical component (modifier TC, equipment and staff); billing without a modifier is the global service.
- Multiple procedures
- Diagnostic imaging multiple procedure reduction applies to the technical and professional components.
- Bilateral procedures
- The code is already priced as bilateral; modifier 50 does not increase payment.
Where the value comes from
- Work RVU1.44 · 19%
- Practice expense (office) RVU6.23 · 80%
- Malpractice RVU0.09 · 1%
3.3K
Medicare services in 2024 · #2113 by national volume
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
70336 compared with similar codes
Office rates for Iowa, from the same CMS release.
Use 70330 for radiographic examination of both temporomandibular joints. This code describes MRI and is priced as bilateral.
Use 70332 for a radiographic TMJ examination with arthrography. This code is for MRI of the joint.
Compare 70336 by payment locality
Find the payment area for your service address, then open its rate page for calculation inputs, release history and the percentage-of-Medicare tool. A city may cross payment-area boundaries; the ZIP lookup above helps resolve the location.
1 of 1 payment localities
Iowa →
Office / nonfacility
$239.69
Facility
Unavailable
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How this local rate is calculated
Each RVU component is multiplied by its own geographic practice cost index (GPCI). The three adjusted components are added, then multiplied by the conversion factor. These are the inputs used for 70336 in Iowa.
PPRRVU2026_Oct_nonQPP.csv
7,754
- Code
- 70336
- Physician work
- 1.44
- Practice expense
- 6.23
- Malpractice
- 0.09
GPCI2026.csv
53
- Locality
- Iowa
- Physician work
- 1.000
- Practice expense
- 0.915
- Malpractice
- 0.397
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 1.44 | × 1.000 | 1.4400 |
| Practice expense | 6.23 | × 0.915 | 5.7005 |
| Malpractice | 0.09 | × 0.397 | 0.0357 |
| Total RVUs | 7.1762 | ||
| Conversion factor | × 33.4009 | ||
Office / nonfacility rate, Iowa$239.69
Explore RVUs, geographic factors and the full formula
Office / nonfacility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 1.44 | 1 |
| Practice expense | 6.23 | 0.915 |
| Malpractice | 0.09 | 0.397 |
(1.44 × 1 + 6.23 × 0.915 + 0.09 × 0.397) × $33.4009 = $239.69
The office and facility calculations use their respective practice-expense RVUs. The facility amount here is the physician fee, not a separate hospital or facility bill.
70336 billing questions
How does this differ from TMJ radiography?
This code is for MRI, which assesses joint soft tissues such as the articular disc. Codes 70328 and 70330 describe radiographic examinations of the joint instead.
Can the technical and professional services be billed separately?
Yes. Report modifier TC for the equipment and staff portion and modifier 26 for the interpretation; billing without either modifier represents the global service.
Does modifier 50 increase payment?
No. CMS prices this code as bilateral, and modifier 50 does not increase payment.
What documentation supports reporting the MRI?
Document the jaw-joint symptoms or clinical question prompting imaging and retain the imaging interpretation describing the findings.
How does Medicare handle multiple imaging procedures?
The diagnostic imaging multiple-procedure reduction applies to both the professional and technical components when applicable.
When is code 70332 a better fit?
Code 70332 describes radiographic examination of the temporomandibular joint with arthrography. Use this code for the MRI service rather than that arthrographic study.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense, and malpractice RVUs, adjusted by each locality’s geographic indices and the applicable conversion factor. Unavailable or separately priced services are labeled rather than assigned a made-up amount.
Source: RVU26D. Effective 2026-10-01 through the day before 2027-01-01.
