CPT Codes

CPT Current Procedural Terminology – CPT codes consist of the Technical Component (TC) for the technical portion reimbursement and the Professional Component (PC) for the physician interpretation reimbursement.

CPT Codes for Transcranial Doppler Ultrasound Exams

Maximize Your Reimbursement Potential

NG2 Intelligent Ultrasound seamlessly integrates with existing healthcare workflows and increases financial outcomes. Take advantage of the following Medicare reimbursement rates. Be sure to check the reimbursement rates in your state.

		2026 Medicare National Avg Reimbursement
Code	Description	Technical Component	Reading Fee	Total
93886 93896 93897 93898	Complete TCD Evaluation Add-on Vasoreactivity to Complete TCD Evaluation Add-on TCD Emboli Detection to Complete TCD Evaluation Add-on Bubble Study for PFO Detection to Complete TCD Evaluation	$224.45 $146.30 $200.07 $218.44	$45.43 $41.08 $37.41 $44.09	$269.88 $187.38 $237.48 $262.53
93888	Limited TCD Evaluation	$134.27	$36.07	$170.34
93892	TCD Emboli Detection	$247.83	$58.45	$306.29†
93893	TCD Bubble study for PFO Detection	$306.29	$59.45	$365.74†

Fee schedule amount when a physician performs a procedure in a non-facility setting such as a private office. Amount pulled from CMS.gov.

† Reimbursement rates for 93896, 93892, and 93893 might be lower due to the Deficit Reduction Act of 2005.

ICD-10 Diagnosis Codes

Selection of ICD-10 Diagnosis codes supporting medical necessity of Transcranial Doppler Studies

THROMBOTIC OCCLUSION

I63.139 Cerebral infarction due to embolism of unspecified carotid artery
I63.40 Cerebral infarction due to embolism of unspecified cerebral artery
I63.019 Cerebral infarction due to thrombosis of unspecified vertebral artery
I63.22 Cerebral infarction due to unspecified occlusion or stenosis of basilar arteries

VASOSPASM

I60 Nontraumatic subarachnoid hemorrhage
I60.9 Nontraumatic subarachnoid hemorrhage, unspecified
I61 Nontraumatic intracerebral hemorrhage
I61.9 Nontraumatic intracerebral hemorrhage, unspecified
I62 Other and unspecified nontraumatic intracranial hemorrhage
I67.848 Other cerebrovascular vasospasm and vasoconstriction

INTRACRANIAL STENOSIS

I66 Occlusion and stenosis of cerebral arteries, not resulting in
cerebral infarction
I66.09 Occlusion and stenosis of unspecified middle cerebral artery
I66.19 Occlusion and stenosis of unspecified anterior cerebral artery
I66.29 Occlusion and stenosis of unspecified posterior cerebral artery
I66.9 Occlusion and stenosis of unspecified cerebral artery
I67.2 Cerebral atherosclerosis
I63 Cerebral infarction
I63.219 Cerebral infarction due to unspecified occlusion or stenosis
of unspecified vertebral arteries
I63.22 Cerebral infarction due to unspecified occlusion or stenosis
of basilar arteries
I63.239 Cerebral infarction due to unspecified occlusion or stenosis
of unspecified carotid arteries
I63.9 Cerebral infarction, unspecified

EXTRACRANIAL STENOSIS

I65 Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
I65.09 Occlusion and stenosis of unspecified vertebral artery
I65.29 Occlusion and stenosis of unspecified carotid artery

CEREBRAL ISCHEMIA

G45.8 Other transient cerebral ischemic attacks and related syndromes
I67.82 Cerebral ischemia
I67.81 Acute cerebrovascular insufficiency

CEREBRAL CIRCULATORY ARREST (BRAIN DEATH)

G93.9 Disorder of brain, unspecified

CEREBRAL UNRUPTURED ANEURYSM

I67.1 Cerebral aneurysm, nonruptured

CEREBRAL EDEMA

G93.6 Cerebral edema
S06.1X0A – S06.1X4S Traumatic cerebral edema

TRAUMATIC BRAIN INJURY

S06.0X0A – S06.0X9D Concussion
S06.2X0A – S06.2X9S Diffuse traumatic brain injury

ARTERIORVENOUS MALFORMATION

Q28.2 Arteriovenous malformation of cerebral vessels

SICKLE CELL DISORDERS

D57.0 – D57.819 Sickle-cell disorders

Key Features of NG2 Intelligent Ultrasound:

Robotic Precision: Achieve unparalleled accuracy and reliability in TCD with NG2’s robotic transcranial Doppler technology.

Streamlined Workflow: Enhance operational efficiency with an intuitive interface and seamless integration into existing diagnostic processes.

Comprehensive Diagnostics: NG2 covers a spectrum of evaluations, from complete TCD to emboli detection, providing a comprehensive view of neurological health.

Patient Comfort: Prioritize patient experience with NG2’s non-invasive and patient-friendly design.

Financial Benefits Beyond Reimbursement:

Increased Throughput: NG2’s efficiency allows healthcare providers to serve more patients, increasing overall revenue.

Reduced Resource Utilization: Save time and resources with NG2’s automated processes, optimizing staff productivity.

Enhanced Diagnostic Accuracy: Reduce the need for expensive ancillary tests, reducing the financial burden on both patients and healthcare systems.

Invest in Excellence:

NG2 empowers healthcare providers to deliver superior neurological diagnostic care while maximizing
financial returns.

Disclaimer

This information contained herein is for general information purposes only and is not intended, and does not constitute, legal, reimbursement, business, clinical, or other advice. It is not intended to and does not constitute a representation or guarantee of reimbursement, payment, or charge, or that reimbursement or other payment will be received. NeuraSignal makes no express or implied warranties or guarantees regarding the completeness or accuracy of the codes and narratives. The information provided should not be construed as guidance for selecting any specific code, and NeuraSignal neither endorses nor guarantees the appropriateness of any particular code’s use.

NeuraSignal is committed to advancing neurological care through our groundbreaking technologies. For a more customized program tailored to your specific needs or an in-person demonstration, contact us at info@neurasignal.com.

Please note reimbursement in your state or by your carrier may vary. Private sector fees vary.
This information is provided as a general guideline only. NeuraSignal makes no representations, warranties, or guarantees as to the accuracy, timeliness, or completeness of the information provided herein. The information about Medicare’s relative value payment represents a national average reimbursement amount associated with the codes. This fee schedule applies to Medicare payments only and may not reflect the true cost of the services provided.
*ICD-10-CM 2024, American Medical Association
**Current Procedural Terminology (CPT®) 2025, American Medical Association. CPT is a registered trademark of the American Medical Association. All rights reserved.