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HelpTest Code LAB12687 18-Hydroxycorticosterone
Department
SEND OUTS
Reference Lab Test Number
18OHC
Primary Collection Container
Gold (SST)
Alternate Collection Container
Red (No Gel)
Lavender 6 mL (K3EDTA)
Transport
Serum or plasma frozen
Preferred Transport Temperature
Frozen
Processing
Centrifuge, separate and send 3.0 mL serum in a screw-capped plastic vial.
Stability
Ambient: 1 day
Refrigerated: 1 day
Frozen: 90 days
Minimum Testing Volume
1.0 mL
Reference Range
Age Range (ng/dL)Premature (26-28w) Day 4 10-670
Premature (31-35w) Day 4 57-410
Full-term Day 3 31-546
31d-11m 5-220
12m-23m 18-155
24m-9y 6-85
10-14y 10-72
Adults 9-58
8:00 AM supine 4-21
8:00 AM upright 5-46
Methodology
High-pressure Liquid Chromatography/Tandem Mass Spectrometry (HPLC/MS-MS)
Performed
Monday
Reported
4-10 days
CPT Codes
82542