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Test Code LAB5554 Cocaine and Metabolite Confirmation, Random, Urine

Important Note

Mayo's test code: COKEU

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Reporting Name

Cocaine and metabolite Conf, U

Specimen Type

Urine


Ordering Guidance


1. For situations where chain of custody is required, a Chain-of-Custody Kit (T282) is available. For chain-of-custody testing, order COKEX / Cocaine and Metabolite Confirmation, Chain of Custody, Random, Urine.

2. Additional drug panels and specific requests are available. Call 800-533-1710 or 507-266-5700.

3. If urine creatinine is required or adulteration of the sample is suspected, order ADULT / Adulterants Survey, Random, Urine.



Specimen Required


Supplies: Urine Tubes, 10 mL (T068)

Collection Container/Tube: Plastic urine container

Submission Container/Tube: 10-mL urine tube

Specimen Volume: 10 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

Additional Information:

1. No specimen substitutions.

2. STAT requests are not accepted for this test.


Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 14 days
  Frozen  14 days
  Ambient  72 hours

Specimen Minimum Volume

5 mL

Day(s) Performed

Monday, Wednesday, Thursday, Friday

Specimen Retention Time

14 days

Report Available

2 to 5 days

Reference Values

Negative (Positive results are reported with a quantitative result.)

 

Cutoff concentrations by gas chromatography mass spectrometry:

Cocaine: 50 ng/mL

Benzoylecgonine: 50 ng/mL

Useful For

Detecting and confirming drug abuse involving cocaine

 

This test is not intended for employment-related testing.

CPT Code Information

G0480

80353 (if appropriate for select payers)

Clinical Toxicology CPT Code Client Guidance

LOINC Code Information

Test ID Test Order Name Order LOINC Value
COKEU Cocaine and metabolite Conf, U 53747-2

 

Result ID Test Result Name Result LOINC Value
2922 Cocaine-by GC/MS 20519-5
2902 Benzoylecgonine-by GC/MS 16226-3
20671 Cocaine Interpretation 69050-3
28080 Chain of Custody 77202-0

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.