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OSMOLALITY, SERUM

Test Number:
  • 0020046
Test Alias:
Preferred Specimen:
  • Serum
Container Type:
  • SST
Alternative Specimen:
Volume:
  • 1 mL
Collection Instructions:
Transport Temperature:
  • Room temperature • Shipping refrigerated or frozen remains acceptable
Specimen Stability:
  • Room temperature: 7 days
  • Refrigerated: 7 days
  • Frozen: 4 weeks
Methodology:
  • Freezing Point Depression
CPT Code:
  • 83930
Reject Criteria:
  • Gross hemolysis • Hyperlipemic • Heparinized plasma
Reference Range:
  • 278-305 mOsm/kg
Report Available:
  • 3 days

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