Schedule an Appointment Pay Bill View My Results
Banner Image

Test Directory

Browse A-Z History Resources
Test Directory » Cortisol Response to ACTH Stimulation, Serum

Cortisol Response to ACTH Stimulation, Serum

Order Code: ACTHST

Test Summary

ALA is a precursor to uroporphyrin, coproporphyrin, and protoporphyrin. Concentrations of ALA are greatly increased in many patients with acute neurological forms of porphyria's and in some patients with chronic alcohol abuse.

Aliases

  • N/A

Specimen Collection

Special Instructions

Specimen can only be collected in a physician's office due to administration of Cortrosyn.

Preferred Specimen

1 mL serum (x4) collected in red-top tubes (no gel)

Minimum Volume

0.2 mL for each timed specimen

Instructions

Specimen can only be collected in a physician's office due to administration of Cortrosyn.

Draw morning baseline specimen. Administer 250 mcg Cortrosyn. Draw additional specimens at 15, 30 and 60 minutes. For each timed specimen submitted, each tube must be clearly marked with time drawn. Submit all tubes with one test request form.

Quest will accept a baseline and any of the time intervals listed as long as this is indicated on the order and samples clearly labeled with collection times.


Patient Preparation

N/A

Storage

N/A

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 14 days
  • Refrigerated: 21 days
  • Frozen: 1 year

Limitations

N/A

Other Acceptable Specimens

Plasma collected in EDTA (lavender-top) tubes

Unacceptable Specimens

Gross hemolysis • Serum separator tubes (SST)

Order Code

ACTHST

EPIC (Premier) Code

LAB3919

Includes

Cortisol Response, Baseline
Cortisol Response, 15 Minutes
Cortisol Response, 30 Minutes
Cortisol Response, 60 Minutes

CPT Code

  • 82533 (x4)

Billing Code

  • 670518

CPT Statement

CPT Statement

Methodology

Chromatography/Mass Spectrometry

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675

Department

Reference Testing

Reference Range

Cortisol Baseline 5-21 mcg/dL
Cortisol 15 minutes 13-30 mcg/dL
Cortisol 30 minutes 14-36 mcg/dL
Cortisol 60 minutes 14-41 mcg/dL

Setup Schedule / Expected Turnaround Time

Monday - Saturday; Report available: 2 - 6 days

Specimen Collection

Special Instructions

Specimen can only be collected in a physician's office due to administration of Cortrosyn.

Preferred Specimen

1 mL serum (x4) collected in red-top tubes (no gel)

Minimum Volume

0.2 mL for each timed specimen

Instructions

Specimen can only be collected in a physician's office due to administration of Cortrosyn.

Draw morning baseline specimen. Administer 250 mcg Cortrosyn. Draw additional specimens at 15, 30 and 60 minutes. For each timed specimen submitted, each tube must be clearly marked with time drawn. Submit all tubes with one test request form.

Quest will accept a baseline and any of the time intervals listed as long as this is indicated on the order and samples clearly labeled with collection times.


Patient Preparation

N/A

Storage

N/A

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 14 days
  • Refrigerated: 21 days
  • Frozen: 1 year

Limitations

N/A

Other Acceptable Specimens

Plasma collected in EDTA (lavender-top) tubes

Unacceptable Specimens

Gross hemolysis • Serum separator tubes (SST)

Billing

CPT Code

  • 82533 (x4)

Billing Code

  • 670518

CPT Statement

CPT Statement

Result Information

Methodology

Chromatography/Mass Spectrometry

Testing Laboratory

N/A

Reference Range

Cortisol Baseline 5-21 mcg/dL
Cortisol 15 minutes 13-30 mcg/dL
Cortisol 30 minutes 14-36 mcg/dL
Cortisol 60 minutes 14-41 mcg/dL

Setup Schedule / Expected Turnaround Time

Monday - Saturday; Report available: 2 - 6 days