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Test Code SOS Osmolality, Serum

Methodology

Freezing Point Depression

Specimen Requirements

Please use preferred tube types whenever possible.

Preferred Container/Tube Type: Serum Separator Tube (SST)

Alternate: Plain Red Tube

Transport refrigerated.

Day(s) Test Set Up

Monday through Sunday

Reference Values

Age Reference Value
0-15 days 266-295 mOsm/kg
15 days-60 years 275-295 mOsm/kg
>60 years 280-301 mOsm/kg

Test Classification and CPT Coding

83930

Performing Laboratory

Beebe Healthcare Laboratory

Performing Location

Margaret H. Rollins Laboratory

South Coastal Campus Laboratory

Specimen Tube Color

  Tube Cap Color Tube Name
Primary  Serum Separator Tubes (SST)
Alternate    Plain Red, no additive