Specimen:

Urine

Collection Medium:

Minimum:

5.0 mL urine from 24-hour collection (No Preservative)

Delivery Instructions:

Deliver to laboratory immediately after collection.

Analytic Time:

1 week

Reference Range:

0-5 years: 120-510 ug/g creatinine
6-16 years: 70-330 ug/g creatinine
>16 years: 30-200 ug/g creatinine

Comments:

Note:  24-hour collections are preferred, but random specimens are 
acceptable.  24-Hour volume is required on request form for processing.

Test
Limitations:

Urine Preservative Collection Options
Note:  The addition of preservative or application of temperature 
controls must occur within 4 hours of completion of the collection.

Ambient:           Yes
Refrigerate:    Preferred
Frozen:            Yes
6N HCl:            Yes
50% Acetic Acid:   Yes
Na(2)CO(3):        Yes
Toluene:           Yes
6N HNO(3):         Yes
Boric Acid:        Yes
Thymol:            Yes

Methodology:

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

CPT Code:

83789

See Additional Information:
Specimens Requiring Immediate Delivery
Urine Tests Requiring no Preservatives