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Belay Vantage-994

Test info

Test name:

Belay Vantage

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

MGMT promoter methylation in CSF
CSF liquid biopsy

Useful for:

Belay Vantage uses quantitative polymerase chain reaction to evaluate MGMT promoter methylation in CSF of individuals with known or suspected CNS tumors.

Limitations:

This order is for ABSI and AHCI providers only

Specimen

Specimen type:

Cerebrospinal fluid (CSF)

Collection container:

Sterile vial/container

Collection instructions:

Collect specimen in clean, leak proof container

Processing instructions:

Send ambient overnight (same day is preferred)

Transport container:

Sterile vial/container

Required forms/information:

Belay Diagnostics test requisition

Molecular Medicare billing request

Hospital clients submitting a request for this assay on an outpatient with Medicare should complete and submit a Molecular Medicare billing request form to notify us of the need for Allina Health Laboratory to bill insurance.

Transport and stability:

Ambient (preferred) - 24 hours

Refrigerated - 3 days

Frozen (-80 °C) - Indefinitely

If unable to ship same day, store refrigerated (ship ambient)

Reason for rejection:

Samples submitted in tubes intended for blood

Performance

Performing lab:

Belay Diagnostics

TAT:

7 - 10 days

Method:

Quantitative PCR (qPCR) followed by
high-resolution melt analysis

Clinical and Interpretive info

Reference ranges:

See report

Billing

Preauthorization:

This test may require preauthorization from the insurance provider. Check the payer guidelines and, if needed, obtain the pre-authorization prior to sample collection.

CPT codes:

81287

Additional billing information:

This test is client bill

Subject to medical necessity (Y/N):

Yes

Other billing information:

Medical necessity

Molecular Medicare Billing Request

Tracking

Date created:

03/19/2026

Revised date:

04/07/2026

Review date:

03/19/2026