Sign in →

Test Code Cortisol Levels Cortisol Stimulation

Important Note

Several ordering options exist for cortisol stimulation tests and levels. 

Additional Codes

LAB61 - Cortisol

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)