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Test Code COCAINE Cocaine and Metabolites, Confirmation, Serum, Plasma, or Blood (Quest 11328)

Important Note

This test will be ordered as a miscellaneous request to Quest Diagnostics.

**For serum specimens, serum must be collected in a red-top (no gel) tube.

Infectious

Specimen Requirements

Preferred Specimen:

1mL whole blood collected in a sodium fluoride or sodium fluoride/potassium oxalate (gray-top tube)

 

Alternative Specimen(s):

1mL plasma from gray-top tube; 1mL serum frozen from a red-top (no gel) tube

 

Minimum Volume:

0.5mL*

*This volume does not allow for repeat or reflex testing, and may be subject to loss of sample from possible pour-over of specimen at reference laboratory.

 

Reject:  Serum separator tube (SST)

 

Setup Schedule:  Daily; Report available within 3 days of receipt of specimen at Quest Diagnostics in  VA.

Transport Temperature/Specimen Stability

Transport container:

Original tube if sending whole blood (gray-top), or transport tube for serum or plasma

 

Preferred Transport Temperature:

Whole blood (gray-top) or plasma (gray-top):  Refrigerated (cold packs)

Serum:  Frozen (refrigerated unacceptable)

 

Specimen Stability:

Whole blood (gray-top) or plasma (gray top):

Ambient:  24 hours

Refrigerated:  7 days

Frozen:  30 days

 

Serum:

Ambient:  Unacceptable

Refrigerated:  Unacceptable

Frozen:  30 days

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

Chantilly, VA 20151-2228