Specimen:
Collect
- One SST
Submit
- 1 mL (Min:0.5 mL) Serum in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Avoid Repeated Freeze/Thaw Cycles
- For patients receiving therapy with high biotin doses (>5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
- Minimize air exposure
- Reference range is applicable only to samples collected at 8:00am following administration of 1 mg dexamethasone at midnight.
Stability
Ambient: 1 Day(s); Refrigerated: 4 Day(s); Frozen: 1 Year(s); Incubated: Unacceptable
Methodology
- Electrochemiluminescence Immunoassay (ECLIA)
Performed
Mon-Fri
Reported
1-3 Day(s)
CPT Codes
- 82533
Components
- 2886 - POST-DEXAMETHASONE
Last Updated: December 17, 2025 @ 10:13 am
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