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.
In Plain Language
heart shunt detection with contrast; right-to-left shunt study with dye
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 |
| Total RVU | 0.83 |
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 0.83, this code ranks in the 52nd percentile among Medicine codes — 1.1x the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 93898?
CPT 93898 (Ven-artl shunt det mbubb njx) is a Medicine code. Transcranial Doppler ultrasound study to detect venous-arterial shunting with intravenous microbubble contrast injection.
Who uses CPT code 93898?
CPT 93898 is used by Cardiology, Neurology, Vascular Surgery. Used to diagnose right-to-left shunts (patent foramen ovale, atrial septal defect, pulmonary arteriovenous fistula) as cerebrovascular risk factors.
When is CPT 93898 used?
Used to diagnose right-to-left shunts (patent foramen ovale, atrial septal defect, pulmonary arteriovenous fistula) as cerebrovascular risk factors.
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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.