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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 unacceptable) 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 |
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 |
10/2/2010 11:51:36 AM |
| Entry Number |
223 |
If you have additional questions regarding this test, please call: 415-353-1667
