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 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
Refrigerated: 30 days
Frozen: Unacceptable
Methodology
Polymerase Chain Reaction (PCR) followed by 5'-Nuclease End-Point Allelic Discrimination Analysis
Reference Range
See report
Performing Laboratory
Mayo Clinic Laboratories
New York DOH Approval Status
Yes