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Test Code OSM OSMOLALITY, SERUM

Performing Location

University of Vermont Medical Center

Method

Freezing Point Depression

Reference Range

Age

Sex

Physiological
Status

Low

High

Units

18 and >

All

N/A

275

295

mosm/kg

 

Specimen Information

Container

Specimen

Temperature

Collect Vol

Submit Vol

Minimum Vol

Stability
SST Serum

Refrigerate

4 mL 1 mL 0.5 mL 7 days
Lithium heparin tube (green top) Plasma Refrigerate 4 mL 1 mL 0.5 mL 7 days
*Green Microtainer     0.6 mL      

*While a microtainer is an optional tube type in rare circumstances, it is not recommended.

LOINC Code Information

Result Code Reporting Name LOINC Code
OSM Osmolality 2692-2

 

Instrumentation

Osmometer

CPT(s)

Description CPT Code
Osmolality, Serum 83930

 

Test Schedule / Analytical Time / Test Priority

Daily / 24 Hours / Available STAT

Section

Chemistry-1

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes