Aldosterone, 24-hour Urine

Last Modified: 9/8/2021 10:37:14 AM


Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.5 mL aliquot from a well mixed 24-hour Urine Collection in a Plastic Container
Collection Instructions:

1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provided container. 
DO NOT URINATE DIRECTLY INTO CONTAINER.
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container. 
4. Urine Specimen should be kept refrigerated during and after collection. 

For patient collection instruction sheet see Addendum D
For Spanish patient collection instruction sheet see Addendum D
For Burmese patient collection instruction sheet see Addendum D
For Arabic patient collection instruction sheet see Addendum D

Minimum Volume: 0.8 mL Urine
Transport & Storage: Temperature/Stability: 7 days Ambient
28 days Refrigerated
21 days Frozen
Rejection Criteria: Urine collected with HCl
Reference Range:

Refer to Interpretive Results

Critical Ranges:  
Methodology: Hydrolysis • Extraction • Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Clinical Significance:  
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 5 to 8 days
Days Performed: Sunday, Tuesday
Sites Performed: Quest - Chantilly to San Juan Capistrano
PHL Test Code: MSOT
EPIC Test Code: MISC
Send Out Test Code: 19552
Included Tests: Aldosterone; Creatinine
CPT Coding: 82088, 82570, (81050 may be added at an additional charge for volume measurement)

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