3 - 6 days
Specific Compound S
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HPLC Tandem Mass Spectrometry
Premature (26 - 28w) Day 4: 110 - 1376 ng/dL, Premature (31 - 35w) Day 4: 48 - 579 ng/dL, Newborn Day 3: 13 - 147 ng/dL, 1 - 11m: <10 - 156 ng/dL, Prepubertal 8:00 AM: 20 - 155 ng/dL, Pubertal children and adults 8:00 AM: 12 - 158 ng/dL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a red top or SST tube. Deliver to Specimen Processing within 1 hour of collection. Morning (8 a.m.) specimens are recommended.
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial within 1 hour of collection, and freeze. Morning (8 a.m.) specimens are recommended.