93898 Ven-artl shunt det mbubb njx
Also known as: contrast-enhanced shunt detection TCD, bubble study TCD, microbubble contrast TCD
Transcranial Doppler ultrasound study to detect venous-arterial shunting with intravenous microbubble contrast injection.
Clinical Context
Used to diagnose right-to-left shunts (patent foramen ovale, atrial septal defect, pulmonary arteriovenous fistula) as cerebrovascular risk factors.
RVU Breakdown
| Work RVU | 0.83 |
| Practice Expense RVU | 6.95 |
| Malpractice RVU | 0.08 |
| Total RVU | 7.86 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Specialties
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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.