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Test Compendium

Test Name

  • COBALT, URINE

Test Code

  • 6642

Test Synonym

  • Cobalt, Urine

Minimum Volume

  • 1.5 mL

Specimen Type

  • Urine

Primary Container

  • Container- Urine, Urine Tube, 24 Hour Urine Container

Transport Temp

  • Ambient

Specimen Requirements

  • Do not use preservatives. Preservatives used for routine analysis may contain mercuric oxide (i.e., Stabilur), which interferes with all metal testing. If both urinalysis and metal testing are ordered, please submit a separate urine specimen (containing no

Specimen Retention

  • Sampling time is end of shift at end of work week. Metals with timing end of shift at end of work week (meaning four or five consecutive working days with exposure) are eliminated with half-lives longer than five hours. Such metals accumulate in the body during the work week; therefore, their timing is critical in relation to previous exposures. OPTIONAL PROTOCOL: Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (i.e., 8 AM the next morning). Avoid contact with metal during collection. Screw the lid on securely.