|Mnemonic: ||[U CORTISOL]|
|Name: ||Cortisol, Urine Free by LC-MS/MS|
|Specimen: ||4 mL aliquot from a 24 hour or random urine collection. |
Refrigerate 24-hour sample during collection.
Unacceptable Conditions: Room temperature specimens. Acidified specimens or specimens with preservatives.
|Transport Temp: ||Refrigerated|
|Spec Stability: ||Stable up to 2 weeks refrigerated.|
|Ref Lab/Code: ||ARUP 0097222|
| Method: ||Liquid Chromatography/Tandem Mass Spectrometry|
|Note: ||Interpretive Data: Ratios to creatinine may be useful for evaluation when the urine collection is random, other than 24 hours, or the urine volume is less than 400 mL/24 hours. Low urinary cortisol concentrations may be consistent with adrenal insufficiency.|
|Processing Info: ||Record total volume and collection time interval on transport tube and on packing list. Have a tech verify the SR TIME and SR VOLUME before the packing list is transmitted.|