Test Catalog

Test ID: ACTH    
Adrenocorticotropic Hormone (ACTH), Plasma

Specimen Type Describes the specimen type validated for testing

Plasma EDTA

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Patient Preparation: For 12 hours before this test do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.

Supplies: Aliquot Tube, 5 mL (T465)

Collection Container/Tube: Ice-cooled, lavender top (EDTA)

Submission Container/Tube: Plastic, 5 mL, aliquot tube

Specimen Volume: 1 mL

Collection Instructions:

1. Morning (6 a.m.-10:30 a.m.) specimen is desirable.

2. Collect with a pre-chilled EDTA tube and transport to the laboratory on ice.

3. Spin down in a refrigerated centrifuge within 2 hours and immediately separate plasma from cells.

4. Immediately freeze plasma.

Additional Information: Separate specimens should be submitted when multiple tests are ordered.

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-General Request (T239)

-Oncology Test Request (T729)

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross OK

Icterus

NA

Other

NA

 

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTime
Plasma EDTAFrozen (preferred)28 days
 Refrigerated 3 hours
 Ambient 2 hours