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Test ID NBLD0039 17-Ketosteroids, 24 Hour Urine

Container Type

24 hour urine container

Specimen Type/Requirements

Aliquot from a well mixed 24 hour urine specimen.

 

Specimen Volume

20 mL

Minimum Volume

10 mL

Stability

Room Temperature: 8 hours
Refrigerated: 7 days (if pH is less than 7.5)
Frozen: 30 days

Interfering Substances

Hemolysis: NA
Lipemia: NA

Transport Temperature

Frozen

Instructions

Keep urine specimen refrigerated during collection.

 

Ship urine aliquot frozen.

 

24 hour total volume is required.

 

24-Hour Urine Collection Instructions English

24-Hour Urine Collection Instructions Spanish

Performed Test Frequency

Sunday through Thursday

Methodology

Colorimetric with modified Zimmerman Reaction

CPT

83586

Performing Lab

Quest Chantilly

Analytical Time

2 days