Laboratory:
Chemical Pathology
Referral Laboratory:
MiChart Code:
Cotinine, Urine
Soft Order Code:
UCOT
Synonyms:
Nicotine metabolite, Urine
Container:
Clean plastic container
Normal Volume:
5 ml random urine
Minimum Volume:
1 ml random urine
Offsite Collection:
Collect random urine specimen and refrigerate.
Onsite Collection (Michigan Medicine Hospitals Only):
Collect random urine.
Days Set Up:
Daily
Analytic Time:
4 hours
Reference Range:
*Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Negative. A positive result indicates levels >200 ng/mL of cotinine.
Test Usage:
Identification of habitual tobacco users or to monitor compliance in smoking cessation programs.
Test Methodology:
Competitive Immunoassay
Additional Information:
The positive cut-off level is high enough to rule out the effect of passive smoke (normal level for nonsmokers passively exposed to smoking is <200 ng/mL). GCMS analysis can also detect the presence of nicotine and cotinine.
LOINC:
12293-7
CPT Code:
80307
Fee Code:
33219
Alternate Testing Site:
Cotinine, Serum, forwarded to Mayo #82509, 2 mL serum, refrigerated. Cotinine, Saliva, forwarded to Mayo #82508, 3 mL saliva, refrigerated.
Test ID:
325