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Cortisol, Saliva

Mnemonic:    [CORT SAL]
Name:    Cortisol, Saliva
Specimen:    1 mL Saliva. Do not collect specimen within 60 minutes after eating a meal, within 12 hours after consuming alcohol, immediately after brushing teeth or after any activity that may cause gums to bleed. Rinse mouth thoroughly with water 10 minutes before sample specimen collection.

Recommended specimen collection time is between 11:00 p.m. - 1:00 a.m.

Specimen container is plain (non-citric acid) cotton Salivettes® (ARUP Supply #41252). The swab should be placed under the tongue for 2 minutes or until the swab is completely saturated. Swab must be completeley saturated. Passive drool samples, collected by expectorating saliva through a short straw into a vial, are also appropriate.

Submit specimens in Salivettes® transport container. Each specimen submitted must have a collection time.
Minimum Spec:    0.5 mL
Neonatal Spec:    0.5 mL
Transport Temp:    FREEZE
Spec Stability:    Stable up to 3 weeks refrigerated.
Ref Lab/Code:    ARUP 0081117
  Method:    Enzyme Immunoassay
Note:    Record the time of collection on the test request form, and on Salivettes® transport container.

Unacceptable Conditions: Specimens visibly contaminated with blood. Sodium azide preservative. Specimens with pH values greater than 9.0 or less than 3.5 must be recollected.