Billing code 75600: Thoracic aortographyMedicare rate & RVUs in Oregon
Reports contrast imaging and physician interpretation of the thoracic aorta when the examination is performed without serial radiographic imaging.
Medicare pays $175.83–$194.42 for 75600 in the office in Oregon, from Rest Of Oregon to Portland. Which amount applies depends on the service address.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
On this page 9 sections
What 75600 covers
This service covers contrast imaging of the thoracic aorta and the physician’s radiological supervision and interpretation. It may be performed in a hospital angiography suite or an outpatient catheterization setting to evaluate the aorta’s anatomy or suspected disease, such as an aneurysm or dissection. The defining distinction from the related serial-imaging code is that this examination is performed without serialography. A radiologist or another qualified physician interprets the images.
Choose the code based on the imaging performed, not simply the suspected diagnosis. The report should identify the thoracic aortic coverage, describe the contrast examination and findings, and support that serial imaging was not performed. Report modifier 26 for the professional interpretation or TC for the technical service; reporting without either modifier represents the global service. When multiple cardiovascular diagnostic procedures are reported, the multiple-procedure reduction applies to this code’s technical component. Catheter placement is distinct from the imaging interpretation and may be separately reported when appropriate.
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.
Where 75600 pays more and less in Oregon
| Payment locality | Office | Facility |
|---|---|---|
| Portland | $194.42 | Unavailable |
| Rest Of Oregon | $175.83 | Unavailable |
How the 75600 rate is calculated
Each of 75600’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.
How the rate is built · 75600
RVUs × geographic indexes × conversion factor
Work0.48
0.48 RVUs× 1.000 GPCI
Practice expense4.74
4.74 RVUs× 1.000 GPCI
Malpractice0.09
0.09 RVUs× 1.000 GPCI
Adjusted RVUs
5.3100
Conversion factor
$33.4009
Medicare rate
$177.36
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 75600
The CMS indicators that decide how 75600 is paid alongside other services.
CMS payment indicators · 75600
Thoracic aortography
| Rule | CMS value | What it means |
|---|---|---|
| Global period | XXX | The global surgery concept doesn’t apply. |
| Multiple procedures | 6 | Diagnostic cardiovascular reduction applies to the technical component. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 1 | Diagnostic test with separate professional (26) and technical (TC) components. |
What modifiers do to the payment
Modifier 26 · payment effect
With and without the modifier
75600 without 26 · national office
$177.36
Thoracic aortography
75600-26 · Professional component
$23.71
Pays only the interpretation and report.
75600 compared with similar codes
Compare codes · National
5 codes, side by side
How to choose
- 75605Thoracic aortography
- Both concern thoracic aortic contrast imaging. Choose 75600 for an examination without serialography and 75605 when serial radiographic imaging is performed.
- 75625Abdominal aortography
- 75625 describes contrast imaging of the abdominal aorta; 75600 is for the thoracic aorta.
- 75630Aortography
- 75630 covers abdominal aortic imaging that includes lower-extremity arterial runoff, not a thoracic-only aortogram.
- 75635Ct angio abdominal arteries
- 75635 is CT angiography of abdominal arteries. Code 75600 describes contrast aortography of the thoracic aorta.
75600 billing questions
When should this code be chosen instead of 75605?
Use 75600 when the thoracic aortic contrast examination is performed without serialography. Use 75605 when serial radiographic imaging is performed.
Can the professional and technical portions be billed separately?
Yes. Modifier 26 identifies the professional interpretation, and modifier TC identifies the technical service. Without either modifier, the claim represents the global service.
Does this code include aortic catheter placement?
The code represents the thoracic aortic imaging supervision and interpretation, not catheter placement itself. Report catheter placement separately when appropriate to the procedure.
What documentation supports reporting 75600?
Document the thoracic aortic coverage, the contrast examination, the interpretation and findings, and that the study was performed without serialography.
How does the multiple-procedure reduction affect this service?
When multiple cardiovascular diagnostic procedures are reported, the reduction applies to the technical component of 75600.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.
CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027
Show the CMS file lines behind this rate
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