Test Details

Mnemonic

SELS

Ordering Code

3706520

CPT-4 Code(s)

84255

Specimen Information

Patient Preparation

Patient should refrain from taking vitamins or mineral supplements at least 3 days before specimen collection. Avoid worksite collection.

Collect

Dark blue trace element no additive

Specimen Preparation

Centrifuge, separate serum from cells within 1 hour and send 2.0 mL serum in a Quest trace element serum transport tube (red label).

Alternate Specimen

Plasma: Dark blue EDTA, dark blue sodium heparin

Minimum Volume

0.7 mL

Transport Temperature

Refrigerated

Rejection Criteria

Hemolysis
Gel barrier tubes

Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days

Methodology

Inductively Coupled Plasma/Mass Spectrometry
more

Reference Range

<2 Years: 16 - 71 mcg/L
2 - 3 years: 40 - 103 mcg/L
4 - 16 years: 55 - 134 mcg/L
>16 years: 63 - 160 mcg/L
more

Performing Laboratory

Quest
more

New York DOH Approval Status

No
more