Cortisol, 5 Specimens
Quest Diagnostics
Sample type: Serum
Requires fasting: No
Phlebotomy required
Details
Cortisol, 5 Specimens - Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency).
- Cortisol, 1st specimen
- Cortisol, 2nd specimen
- Cortisol, 3rd specimen
- Cortisol, 4th specimen
- Cortisol, 5th specimen
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
Details
Cortisol, 5 Specimens - Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency).
What type of sample is required for this test?
1 mL serum for each specimen
Test Resources
For more information, please consult your healthcare provider.
2–5 business days
0–3 Days (infants)
Premature (31–35 Weeks)
a.m. or p.m. ≤15.0 mcg/dL
Term
a.m. or p.m. ≤14.0 mcg/dL
4 Days–1 Month
a.m. or p.m. Not established
2–11 Months
a.m. 3.0–23.0 mcg/dL
p.m. Not established
1–17 Years
a.m. 3.0–25.0 mcg/dL
p.m. 3.0–17.0 mcg/dL
Adult
8 a.m. (7–9 a.m.) specimen 4.0–22.0 mcg/dL
4 p.m. (3–5 p.m.) specimen 3.0–17.0 mcg/dL
Premature (31–35 Weeks)
a.m. or p.m. ≤15.0 mcg/dL
Term
a.m. or p.m. ≤14.0 mcg/dL
4 Days–1 Month
a.m. or p.m. Not established
2–11 Months
a.m. 3.0–23.0 mcg/dL
p.m. Not established
1–17 Years
a.m. 3.0–25.0 mcg/dL
p.m. 3.0–17.0 mcg/dL
Adult
8 a.m. (7–9 a.m.) specimen 4.0–22.0 mcg/dL
4 p.m. (3–5 p.m.) specimen 3.0–17.0 mcg/dL
Please consult your healthcare provider if you are currently receiving prednisone/prednisolone therapy. The antibody used in this assay may cross-react with these medications.
Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing:
Quest Diagnostics Patient Service Centers (PSC)
- Location: Visit a nearby Quest Diagnostics Patient Service Center.
- Cost: $10 sample collection fee (paid during lab order checkout).
- Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
- Collection Instructions:
- Bring a valid ID.
- Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
- Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
- More Info: Quest Diagnostics blood draw guide
Getlabs Mobile Phlebotomy
- Location: Sample collection at your home or office.
- Cost: $85 sample collection fee (paid during lab order checkout).
- Availability: Available in most locations – enter your ZIP code during checkout to confirm.
- Scheduling: Schedule your appointment here through your Fullscript account.
- Collection Instructions:
- Have your digital or printed requisition form and valid ID ready.
- Your phlebotomist will contact you by phone to coordinate arrival.
- More Info: Getlabs blood draw guide
Specimen
- Preferred Specimen(s): 1 mL serum for each specimen
- Alternative: NA
- Minimum Volume: 0.5 mL
- Collection Instructions: NA
Storage and shipping instructions
- Transport Container: Serum separator tube (SST)
- Transport Temperature: Room Temperature
- Specimen Stability:
- Room temperature: 7 days
- Refrigerated: 7 days
- Frozen: 28 days
- Reject Criteria: NA
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
