Test Details

Mnemonic

BIS

Ordering Code

3500563

CPT-4 Code(s)

83018

Specimen Information

Patient Preparation

Diet, medication and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements vitamins, minerals and non-essential over-the-counter medications (upon the advice of their physician).
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Collect

Dark blue trace element EDTA
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Specimen Preparation

Send 7.0 mL whole blood room temperature in the original tube or in a blue-capped metal-free screw-capped vial.
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Minimum Volume

0.5 mL
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Transport Temperature

Room temperature
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Rejection Criteria

Clotted specimens, heparin anticoagulant
Specimens sent in anything but royal blue EDTA
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Stability

Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable
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Methodology

Quantitative Inductively Coupled Plasma - Mass Spectrometry
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Reference Range

≤5.0 µg/L
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Performing Laboratory

ARUP Reference Laboratory
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New York DOH Approval Status

Yes
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