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Test Code OSM OSMOLALITY, SERUM

Additional Codes

Primary ID

Epic Code

Mayo Access ID

OSM

LAB201 FAH214

 

Specimen Information

Container

Specimen

Temperature

Collect Vol

Submit Vol

Minimum Vol

Stability
Serum Separator Tube 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   refrigate 0.6 mL     7 days

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

Test Schedule / Analytical Time / Test Priority

Daily / 24 Hours / Available STAT

Method

Freezing Point Depression

CPT(s)

Description CPT Code
Osmolality, Serum 83930

 

Instrumentation

Advanced Osmometer A20

Reference Range

Age

Sex

Physiological
Status

Low

High

Units

All ages

All

N/A

275

295

mOsm/kg

 

Section

Chemistry-1

Performing Location

University of Vermont Medical Center

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

Yes

LOINC Code Information

Result Code Reporting Name LOINC Code
OSM Osmolality 2692-2