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Test Compendium


Test Code

  • 6215

Test Synonym

  • Chromium, Urine w/Creatinine Ratio

Minimum Volume

  • 0.6 mL

Specimen Requirements

  • Urine


  • Container- Urine, Urine Tube


  • Ambient

Turn Around Time

  • 4 days

CPT Codes

  • 82495,82570
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • Do not use preservative. 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 a

Additional Information

  • Sampling time is during shift or at the end of shift at the end of the work week for industrial exposure monitoring. For metals with multiphase elimination, the timing is given in relation to the work day exposure (shift) as well as to the work week exposure.