Test Details

Mnemonic

ALDMS

Ordering Code

3435340

CPT-4 Code(s)

82088

Specimen Information

Patient Preparation

"Upright" specimens should be collected at least 30 minutes after patient sits up.

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA, green sodium heparin, green lithium heparin

Minimum Volume

0.25 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST), moderate to gross hemolysis

Stability

Room temperature: 4 days
Refrigerated: 7 days
Frozen: 28 days

Methodology

Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

Adult

Upright 8:00-10:00 A.M. ≤28 ng/dL

Upright 4:00-6:00 P.M. ≤21 ng/dL

Supine 8:00-10:00 A.M. 3-16 ng/dL



Pediatric

1-12 Months 2-70 ng/dL

1-4 Years 2-37 ng/dL

5-9 Years ≤9 ng/dL

10-13 Years ≤21 ng/dL

14-17 Years ≤35 ng/dL



Infants

Premature (31-35 Weeks) ≤144 ng/dL

Term ≤217 ng/dL


Tanner Stages

II-III Males 1-13 ng/dL

II-III Females 2-20 ng/dL

IV-V Males 3-14 ng/dL

IV-V Females 4-32 ng/dL
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Performing Laboratory

Quest SJC
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