ARUP's Laboratory Test Directory
| 0070032: Adrenocorticotropic Hormone Stimulation, 30 Minutes |
| Test Mnemonic: CORTISOL30 | |
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Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat Reported: Within 24 hours |
| Specimen Required: | |
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Collect: Timed specimen at 30 minutes: one 4 mL PST or SST.
Transport: 1 mL serum or plasma at 2-8°C. (Min: 0.4 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.4 mL serum or plasma at 2-8°C. Remarks: Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP. Specimen must be labeled with time drawn. Stability: After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 3 months |
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| Reference Interval: |
| By report |
| Interpretive Data: | |
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Normal peak serum cortisol is greater than 20 µg/dL 30 to 60 minutes after 25 units cosyntropin IV.
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| Note: | |
| To convert to nmol/L, multiply µg/dL by 27.6. |
| CPT Code(s): | |
| 82533 |