Test Code Cortisol Levels Cortisol Stimulation
Additional Codes
LAB2951- Cortisol Post Dexamethasone
Individual Cortisol Baseline Level and Timed Study Levels
LAB2946- Cortisol Baseline Level
LAB2950- Cortisol Level 60 Minutes
LAB2947- Cortisol Level 120 Minutes
LAB2948- Cortisol Level 150 Minutes
LAB2949- Cortisol Level 180 Minutes
Individual Orders for Cortrosyn (CRH) Stimulation Studies
LAB2958- Cortrosyn Stimulation Baseline
LAB2955- Cortrosyn Stimulation 30 Minutes
LAB2956- Cortrosyn Stimulation 60 Minutes
LAB2957- Cortrosyn Stimulation 90 Minutes
Panel Orders for Cortrosyn Stimulation Studies
LAB2952- Cortrosyn Stim 0 + 30 (LAB2958 and LAB2955)
LAB2953- Cortrosyn Stim 0 + 60 (LAB2958 and LAB2956)
LAB2962- CRH Stimulation Cortisol Levels (Draw at baseline, 30 min, 60 min, 90min: LAB2958, LAB2955, LAB2956, LAB2957)
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Dark Green/Sodium Heparin, Lt. Green/Lithium Heparin Microtainer, Gold Microtainer, Red
Preferred Vol: 1.0 mL
Minimum Vol: 0.5 mL
Note: Draw samples at desired timepoints. Note collection times on requisitions and samples.
Note: Capillary collection is unacceptable for cortisol testing.
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: 2-8 C
Storage location: CPA refrigerator, FrigD rack. Serum/plasma should be removed from separator for storage.
Off-site collection: Note collection times on requisitions and samples. Spin blood. Transfer serum/plasma to plastic aliquot container. Refrigerate.
Stability
| Specimen Type | Temperature | Time | 
|---|---|---|
| gel separator with serum/plasma | Refrigerated | 8 h | 
| separated serum/plasma | Room temp | 2 h | 
| Refrigerated | 14 d | |
| Frozen -20 C | 30 d | 
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem West
Phone Number: (206) 987-2617
Availability
| STAT | Performed | TAT | 
|---|---|---|
| N | M-Sa, day shift | 1-3 d | 
Methodology
Method: Chemiluminescent microparticle immunoassay (CMIA) on the Alinity i
Analytical Volume: 0.150 mL
Limitations:
Reference Range
| Cortisol | mcg/dL | 
| Baseline (8-10 AM) | 3.7 -19.4 | 
See lab report comments for expected levels after stimulation studies.
CPT Codes
82533 (each sample)