In observance of Thanksgiving, We will be closed on Thursday, November 27th and Friday, November 28th. Keystone will resume normal business hours on Monday, December, 1st.
In observance of Thanksgiving, We will be closed on Thursday, November 27th and Friday, November 28th. Keystone will resume normal business hours on Monday, December, 1st.
UC51001 ; SC51001
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Tobacco
Urine ; Oral Fluid
20 mL
Plastic urine container
Maintain specimen at room temperature. Refrigerate if arrival at lab extends beyond seven days.
Detect use of nicotine products
Initial testing by immunoassay (IA); confirmation of positives by mass spectrometry (MS)
Cotinine
Cotinine
4-7 Days
In observance of Independence Day on July 4th, Keystone will be closed. Normal office hours will resume on the 5th of July.