Test Details

Mnemonic

IL28B

Ordering Code

3514950

CPT-4 Code(s)

81283

Specimen Information

Patient Preparation

If using saliva sample, patient should not eat, drink, smoke, or chew gum for 30 minutes prior to collection.

Collect

Lavender EDTA

Specimen Preparation

Invert tube several times to mix blood and send 3.0 mL whole blood at room temperature in original collection tube.

Alternate Specimen

Saliva, extracted DNA

Minimum Volume

0.4 mL whole blood, 1 saliva swab

Transport Temperature

Room temperature

Stability

Room temperature: 9 days
Refrigerated: 30 days
Frozen: Unacceptable

Methodology

Polymerase Chain Reaction (PCR) followed by 5'-Nuclease End-Point Allelic Discrimination Analysis
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Reference Range

See report
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Performing Laboratory

Mayo Clinic Laboratories
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New York DOH Approval Status

Yes
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