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COTININE, SERUM

Test Code
COTQ
 
This test is a lab developed test. For further information, see the Compliance Remarks section below.
Synonyms
Cotinine, Nicotine
SPECIMEN REQUIREMENTS
Container Type
Red top tube (plain)
Supply Item Number
1372
Specimen Type
Serum
Preferred Volume
1 mL
Emergency Minimum Volume
0.5 mL
Specimen Processing
Separate serum from cells within 2 hours and transfer to a standard PAML aliquot tube.
Store and Transport
Refrigerated
Stability
Room Temp 1 week  Refrigerated 1 week  Frozen (-20 °C) 4 weeks  
Unacceptable Condition
Whole blood or grossly hemolyzed specimens
Alternate Specimens
Serum or plasma separator tubes
Limitations
If testing is to be delayed by more than 1 week, specimens should be stored frozen for up to 1 month prior to being tested. Avoid repeated freezing and thawing of the specimen. NOTE: Samples sitting in gel SST for prolonged times may reduce drug concentrations significantly.
Reference Laboratory
PAML
Reference Lab Test Code
LCA code 910974
CPT Codes
80307
Interface Order Code
80302.Z1
Billing Code
COTQ
Test Schedule
Tue, Fri
Turnaround Time
1-5 days
Method
Enzyme Multiplied Immunoassay
Reference Ranges
TitleDescriptorRangesUnits
CotinineDaily Smokers> 100ng/mL
Light Smokers15-100
Passive or Non Smokers< 15
Clinical Significance
Heavy secondhand smoke exposure has shown results up to 25 ng/mL in serum. Thus, an overlap may occur between cotinine concentrations of a non-smoker who experiences heavy secondhand smoke exposure and light or occasional smokers.
Compliance Remarks
This test was developed and its performance characteristics determined by PAML/PSHMC Division of Laboratory Medicine. The U.S. Food and Drug Administration (FDA) has not approved or cleared this test. However, FDA approval or clearance is currently not required for clinical use of this test. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. PAML/PSHMC is authorized under Clinical Laboratory Improvement Amendments (CLIA) to perform high-complexity testing.

Interface Codes
typeorder codetest descriptionresult coderesult descriptionunitsdecimal placesloinc code
o80302.Z1Cotinine, Serum
r80302.Z1Cotinine, Serum80302.Z1Cotinine, Serumng/mL010365-5

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