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HelpMayo Test ID FCOKE Cocaine Analysis - Whole Blood
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| FCOKR | Cocaine, MS, WB/SP Rfx | No | No |
Testing Algorithm
If the Cocaine Analysis, whole blood is positive, then the Cocaine, Confirmation (FCOKR) will be performed at an additional charge.
Method Name
Immunoassay (IA)
Gas Chromatography with mass spectrometry (GC/MS); confirmation
Reporting Name
Cocaine, Scr w/Conf, WBSpecimen Type
Whole bloodSpecimen Required
Draw blood in a purple-top (EDTA), green-top (sodium-heparin) or grey-top (NaF/oxalate) tube(s). Send 7 mL of whole blood refrigerated in a plastic vial.
Specimen Minimum Volume
3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole blood | Refrigerated (preferred) | 14 days | |
| Frozen | 180 days | ||
| Ambient | 72 hours |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Reference Values
Cocaine Screen:
Cocaine and Metabolite, UA – Negative; Cutoff: 25 ng/mL
Cocaine Confirmation:
Cocaine
Benzoylecgonine
Confirmation threshold: 10 ng/mL
Day(s) Performed
Monday through Sunday
Report Available
5 to 9 daysPerforming Laboratory
Medtox Laboratories, Inc.Test Classification
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.CPT Code Information
80307
80353-if applicable
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FCOKE | Cocaine, Scr w/Conf, WB | 16633-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z4826 | Cocaine and Metabolite | 73823-7 |