BUN/Creatinine Ratio

CPT Code(s):

  • 82565
  • 84520

Test Component(s):

  • BUN/Creatinine Ratio (calculated)
  • Uear Nitrogen (BUN)
  • Creatinine

Preferred Specimen:

2 mL serum

Minimum Volume:

1 mL

Transport Container:

Red-top tube or gel-barrier tube (SST). (If a red-top tube is used, transfer separated serum to a plastic transport tube.)

Transport Temperature Name:

Room temperature

Specimen Stability Components:

  • Room Temperature: 3-5 days
  • Refrigerated: 7 days.

Testing Schedule:


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