Mass Spectrometry
18-Hydroxy B Steroid, Serum
Serum
Preferred: Red top
Acceptable: SST
Submission Container/Tube: Plastic vial
Specimen Volume: 3 mL
Collection Instructions:
1. Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable.
2. Serum must be separated from cells within 45 minutes of venipuncture. Centrifuge and send 3 mL of serum frozen in a plastic vial.
1 mL (NOTE: Minimum volume does not allow for repeat analysis.)
Thawing** | Warm OK <1 day; Cold OK <1 day |
Other/Tissue/Swab | Specimens other than serum or plasma EDTA or green-top heparin |
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Frozen (preferred) | 90 days | |
Ambient | 24 hours | ||
Refrigerated | 24 hours |
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 |
Monday
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
82542
Test Id | Test Order Name | Order LOINC Value |
---|---|---|
FHC18 | 18-Hydroxycorticosterone, S | 1674-1 |
Result Id | Test Result Name |
Result LOINC Value
Applies only to results expressed in units of measure originally reported by the performing laboratory. These values do not apply to results that are converted to other units of measure.
|
---|---|---|
FHC18 | 18-Hydroxycorticosterone, S | 1674-1 |