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Test Name:
Bicarbonate (HCO₃), Urine

• SBMF No:
  45285
• Performance Lab Name:
  ARUP Laboratories
• Test Mnemonic:
  U BICARB
• ABN:
  Not required
• CPT Code:
  82374
• LOINC Code:
  1964-6
• Ref Lab Test No:
  0020245
• Also Known As:
  HCO3, Urine
• Spec Type:
  Urine, random
• Spec Container:
  Plastic container with tightly fitting lid
• Pref Vol:
  4.0 mL
• Min Vol:
  0.3 mL
• Spec Collect:
  Routine random urine collection
• Spec Process:
  Immediately upon collection, mix and transfer 4 mL to a plastic transport tube (Min: 0.3 mL)
  Do not expose to air
  Freeze immediately
• Spec Store Transport:
  Frozen
• Spec Stability:
  Room temperature (20-30°C): Unacceptable
  Refrigerated (2-8°C): Unacceptable
  1 month frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles (unstable if thawed and refrozen)
• Spec Reject:
  Room temperature or refrigerated sample
• Spec Remarks:
  CRITICAL FROZEN – Separate samples must be submitted when multiple tests are ordered
• Methodology:
  Enzymatic
• Clinical Significance:
  Refer to:
  
• Reference Range:
  Reference Interval has not been defined for Bicarbonate, Urine.
• Day Run:
  Sun-Sat (daily)
• Time Reported:
  1-2 days
• Test Type:
  URINE