93892 Tcd emboli detection without injection
Also known as: TCD emboli detection, microembolus detection, contrast-free emboli study
Transcranial Doppler ultrasound study to detect microemboli without intravenous injection of microbubble contrast agent.
In Plain Language
brain clot particle scan; stroke risk detection ultrasound
Clinical Context
Used to detect microembolic signals suggestive of arterial source emboli, paradoxical embolism, or thrombosis in patients at stroke risk.
RVU Breakdown
| Work RVU | 1.12 |
| Total RVU | 1.12 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Medicine section codes cover a wide range of non-surgical services. Documentation should include the clinical indication, procedure details, interpretation (if applicable), and any patient-specific findings.
How This Code Compares
With a work RVU of 1.12, this code ranks in the 60th percentile among Medicine codes — 1.4x the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 93892?
CPT 93892 (Tcd emboli detection without injection) is a Medicine code. Transcranial Doppler ultrasound study to detect microemboli without intravenous injection of microbubble contrast agent.
Who uses CPT code 93892?
CPT 93892 is used by Neurology, Vascular Surgery, Cardiology. Used to detect microembolic signals suggestive of arterial source emboli, paradoxical embolism, or thrombosis in patients at stroke risk.
When is CPT 93892 used?
Used to detect microembolic signals suggestive of arterial source emboli, paradoxical embolism, or thrombosis in patients at stroke risk.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.