Test·CPT 70549
MRA carotid
Order as
MRA carotid; with and without gadolinium
CPT
70549
- Strengths
- There are non-contrast options, but prefer gadolinium for more accurate imaging.
- Limitations
- CTA offers best detail over MRA. Can assess for ulceration and characterize type of plaque. Generally less artifact than MRI so often more accurate measurement of stenoses. Consider carotid ultrasound if study is just to screen for carotid stenosis.
- Contraindications
- 1) Standard MR questionaire as to contraindicated implanted devices, surgery, etc.; 2) Gadolinium will be dose-adjusted dependent upon creatinine clearance. It will not be given with CrCl <30 due to risk of NSF.
Patient preparation
None.
To schedule, call Orange Coast or Saddleback Medical Center — numbers on the contact page.