Laboratory Test Detail

Last Updated: April 19, 2024 @ 9:13 am

1022

Urea Nitrogen, Serum or Plasma (BUN)

Specimen:Collect:
  • One SST

Also Acceptable:
  • One Green Top (Li Heparin)
  • One Green Top (Na Heparin)
  • One Lavender (EDTA)
  • One Pink Top (EDTA)
  • One Red Top
Submit:
  • 1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable:
  • 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling:
  • Avoid Repeated Freeze/Thaw Cycles
Rejection Criteria:
  • Grossly Hemolyzed Samples
Stability:Ambient: 24 Hour(s); Refrigerated: 2 Day(s); Frozen: 2 Month(s); Incubated: Unacceptable
Methodology:
  • Colorimetric
  • Kinetic
Performed:Mon-Fri
Reported:1-3 Day(s)
CPT Codes:
  • 84520
Interpretive Data:General Reference Range : 6-23 mg/dL
Components:
  • 1022 - UREA NITROGEN
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