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West Nile Virus RNA, Qualitative, PCR, CSF-994

Test info

Test name:

West Nile Virus RNA, Qualitative, PCR, CSF

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Flavivirus
Vector-Borne
Mosquito-Borne
WNV PCR CSF

Useful for:

This test is indicated for use as an aid to the diagnosis of West Nile Virus encephalitis

Specimen

Specimen type:

Cerebrospinal fluid (CSF)

Collection container:

Sterile container

Volume:

1.0 mL

Minimum volume:

0.5 mL

Processing instructions:

Do not centrifuge cerebrospinal fluid

Transport container:

Sterile container

Transport and stability:

Frozen (preferred) - 30 days

Freeze/thaw cycles - stable x2

Refrigerated - 7 days

Ambient - 48 hours

Reason for rejection:

Gross specimen contamination
Quantity not sufficient for analysis
Improper labeling
Improper storage or transport
Specimen too old
Leaking or broken tube

Performance

Performing lab:

LabCorp Burlington (140217): R-NX

TAT:

3 - 5 days

Method:

Polymerase chain reaction (PCR)

Clinical and Interpretive info

Reference ranges:

Not detected

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:

87798

Tracking

Date created:

07/17/2026

Review date:

07/17/2026