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HelpTest Code FHC18 18-Hydroxycorticosterone, Serum
Specimen Required
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.
Reporting Name
18-Hydroxycorticosterone, SSpecimen Type
SerumSpecimen Minimum Volume
1 mL (NOTE: Minimum volume does not allow for repeat analysis.)
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 90 days | |
| Ambient | 24 hours | ||
| Refrigerated | 24 hours |
Reject Due To
| Thawing** | Warm OK <1 day; Cold OK <1 day |
| Other/Tissue/Swab | Specimens other than serum or plasma EDTA or green-top heparin |
Reference Values
|
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 |
Performing Laboratory
Esoterix EndocrinologyCPT Code Information
82542
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FHC18 | 18-Hydroxycorticosterone, S | 1674-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FHC18 | 18-Hydroxycorticosterone, S | 1674-1 |
Day(s) Performed
Monday