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West Nile Virus Antibodies, IgG and IgM

West Niles Virus Antibodies, IgG and IgM

Epic Mnemonic
Sunquest Mnemonic

LAB867
WNVB

Category

Sendouts

Methodology

Enzyme-Linked Immunosorbent Assay (ELISA)

Test Performance Schedule

Monday, Wednesday, Friday

Result Availability

1 – 3 days

Specimen Required

Container

Gold top (SST) tube

Volume

Pref. Vol.: 0.5 mL serum
Min. Vol.: 0.4 mL serum

Collection Instructions

• Routine venipuncture
• Immediately after collection, gently invert tube 5-10 times
• Clot 30 minutes
• Promptly centrifuge for 15 minutes
• Refrigerate

Transportation Instructions

Refrigerated

Stability

• Room temperature: Unacceptable
• Refrigerated (preferred): 14 days
• Frozen: 14 days

Causes for Rejection

• Grossly hemolyzed, lipemic, or icteric specimen
• Heat-inactivated specimen

Remarks

Test includes:
West Nile IgG Serum
West Nile IgM Serum
West Nile Serum Interpretation

CPT Codes

IgG – 86789
IgM - 86788

Effective/Revised

11/20/2019

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