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
Gel barrier tubes
Stability
Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry
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
2 - 3 years: 40 - 103 mcg/L
4 - 16 years: 55 - 134 mcg/L
>16 years: 63 - 160 mcg/L
Performing Laboratory
Quest Valencia
New York DOH Approval Status
Yes