ALDOSTERONE, LC/MS/MS

Specimen Required
Draw blood in a red-top tube (no gel). Centrifuge, separate and send 1.0 mL serum (0.25 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma in: Lavender EDTA, Dark blue EDTA, Sodium heparin (green-top), Lithium heparin (green-top)

Rejection Criteria
SST

Methodology
Liquid Chromatography-Tandem Mass Spectrometry

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

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

Performed
Sunday-Friday

Turnaround Time4-7 days
Test CodeALDMS
CPT-4 Code (s)
82088
LOINC Codes
Aldosterone, LC/MS/MS:   1763-2  

Warde
Medical
Laboratory