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HelpTest Code LAB107 Osmolality - Serum
Department
CHEMISTRY
Primary Collection Container
Gold (SST)
Alternate Collection Container
Yellow Microtainer SST
Transport
Serum refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
Stability
Refrigerated: 1 week
Minimum Testing Volume
1.0 mL
Reference Range
280.0-300.0 mOsm/kg H2O
Methodology
Freezing Point Depression
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
83930
Unacceptable Conditions
Gross hemolysis.