4.6 - 8.0
STAT: 1 hour, Routine: 4 hours
STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).
Collect random urine specimen. Refrigerate. For optimal results, specimen should reach laboratory within 4 hours of collection. If specimen must be stored, refrigerate for up to 24 hours. Specimen must be received within 24 hours of collection.