UCSF Navigation Bar

UCSF Departments of Pathology & Laboratory Medicine Home Page

Lab Manual for Moffitt-Long and Mount Zion

Lab Manual for SFGH

Internal Resources

Click here for more information about laboratory operations and procedures

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


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


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
LOINC code 1763-2
Last Updated 10/28/2013 11:48:31 AM
Entry Number 223

If you have additional questions regarding this test, please call: 415-353-1667

Search Our Test Menu
UCSF home page UCSF home page About UCSF Search UCSF UCSF Medical Center