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Test ID COUO Cobalt Occupational Exposure, Random, Urine


Ordering Guidance


 



Specimen Required


Patient Preparation: High concentrations of gadolinium and iodine are known to potentially interfere with most inductively coupled plasma mass spectrometry-based metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.

Supplies: Urine Tubes, 10 mL (T068)

Collection Container/Tube: Clean, plastic urine collection container with no metal cap or glued insert

Submission Container/Tube: Plastic 10 mL urine tube or a clean, plastic aliquot container with no metal cap or glued insert

Specimen Volume: 3 mL

Collection Instructions:

1. At the end of the work week, collect a random urine specimen at the end of the employee's work shift.

2. See Metals Analysis Specimen Collection and Transport for complete instructions.


Secondary ID

607762

Useful For

Screening for occupational exposure to cobalt

Specimen Type

Urine

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  14 days

Reject Due To

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

Reference Values

COBALT:

0-17 years: Not established

≥18 years: The American Conference of Governmental Industrial Hygienists Biological Exposure Index for cobalt in urine is an end-of-shift concentration above 14.9 mcg/L at the end of the work week.

 

CREATININE:

0-17 years: Not established

≥18 years: 16-326 mg/dL

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83018

82570

Day(s) Performed

Monday

Report Available

2 to 8 days