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17-Ketosteroids, 24-hour Urine

Last Modified: 10/14/2009 12:04:46 PM


Specimen Requirements: 20.0 mL aliquot from a well mixed 24 hour Urine Collection in a Plastic Container
Collection Instructions: Order must include patients age and gender

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
Minimum Volume: 10.0 mL
Temperature & Stability:

1 week Refrigerated (Preferred)
1 month Frozen
Reference Range: <1 year: <1.0 mg/24 hrs 
1 year to 4 years: <2.0 mg/24 hrs
5 years to 8 years: <3.0 mg/24 hrs
9 years to 12 years: 3.0 - 10.0 mg/24 hrs
13 years to 16 years: 5.0-12.0 mg/24 hrs 

Male
17 years to 20 years: 9.0-22.0 mg/24 hrs
> 20 years: 8.0 - 20.0 mg/24 hrs

Female
> 16 years: 6.0 - 15.0 mg/24 hrs

If age and sex are not provided Default: 6.0-20.0 mg/24 hrs
Test Comments: Reference Ranges are not available for timed collections other than 24-hour urines
Methodology: Colorimetric
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 3 to 5 days
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday
Sites Performed: Quest Diagnostics
PHL Test Code: 17KST
Send Out Test Code: 2776
CPT Coding: 83586

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