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Aldosterone, serum

Item Value
Approval req'd? No
Available Stat? No
Test code ALDT
Test group Aldosterone
Performed by Quest
Sendout? Yes
Method LC/MS/MS
Collection Instructions Draw "upright" samples at least 1/2 hour after patient sits up.

Bring samples immediately to laboratory for procesisng.
Container type Red top (Gold top NOT acceptable) Dark Green top
Amount to Collect 2 mL blood
Sample type Serum, heparinized plasma acceptable
Preferred volume 1 mL serum or plasma
Min. Volume 0.3 mL serum or plasma
UCSF Rejection Criteria Sample collected in Gold top or Lt. Green top
Processing notes Process immediately. Separate cells within 30 min. and freeze serum or plasma at -20C. Order Quest #17181X
Units ng/dL
Normal range ≥ 18 year olds:
Upright 8:00-10:00 am ≤ 28 ng/dL
Upright 4:00-6:00 pm ≤ 21 ng/dL
Supine 8:00-10:00 am 3-16 ng/dL

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

Premature infants (31-35 weeks) ≤ 144 ng/dL

Term infants ≤ 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
Stability Stability room temperature 2 days, refrigerated 1 week, frozen at -20C 2 years.
Turn around times Test run Tuesday-Saturday. Turnaround: 3-4 days.
Additional information To convert ng/dL to nmol/L (SI units) multiply by 0.0277
CPT coding 82088-90
LOINC code 1763-2
Last Updated 6/21/2016 08:14:15
Entry Number 223
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