2180 Dexamethasone Suppression Test

Specimen:

Collect:

Two 6 mL Red Top

Submit:

Two 1 mL (Min:0.5 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling:

Allow specimen to clot completely at room temperature
Avoid Repeated Freeze/Thaw Cycles
Separate from cells ASAP
Draw pre-cortisol on day one. Have patient take oral dose of dexamethasone (prescription given by physician) at midnight, draw sample at 8:00 a.m. on day two.

Rejection Criteria:

Use of separator tubes
Clearly mark specimen one "pre-cortisol", and specimen two "post-cortisol"

Stability:

Ambient: Unacceptable; Refrigerated: 7 Day(s); Frozen: 3 Month(s); Incubated: Unacceptable

Methodology:

Chemiluminescence

Performed:

Mon-Fri

Reported:

1-3 Day(s)

CPT Codes:

82533 X2 - Cortisol, Total

Interpretive Data:

Please see report for interpretive data.

Components:

2181 - PRE CORTISOL

2182 - CORTISOL 1