TEST OBSOLETE
18-Hydroxycorticosterone
Order Code: HYD18
CPT Code: 82542
Referral Laboratory: Mayo Medical Laboratories
Effective December 9, 2020, 18-Hydroxycorticosterone (HYD18) testing will be replaced by 18-Hydroxycorticosterone, serum (FHC18) per Mayo Medical Laboratories.
REPLACEMENT TEST
18-Hydroxycorticosterone
Order Code: FHC18
CPT Code: 82542
Referral Laboratory: Mayo Medical Laboratories
Collection Instructions: Collect approximately 6 mL of whole blood in a red top vacutainer. Centrifuge within 45 minutes of collection. Aliquot 3 mL serum into a plastic vial. Ship the specimen frozen (preferred).
Methodology: Mass Spectrometry
Analytic Time: M, 7-12 days turnaround time
Reference Range:
|
Age |
Range ng/dL |
|
Premature (26-28 weeks) Day 4 |
10-670 |
|
Premature (31-35 weeks) Day 4 |
57-410 |
|
Full-term Day 3 |
31-546 |
|
31 days to 11 months |
5-220 |
|
12-23 months |
18-155 |
|
24 months to 9 years |
6-85 |
|
10-14 years |
10-72 |
|
Adults |
9-58 |
|
Adults 8:00 AM Supine |
4-21 |
|
Adults 8:00 AM Upright |
5-46 |