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Epic Code LAB107 Osmolality, Blood

Test Name Alias

Osmolality Serum | OSMO | 8286

Interface Order Alias

10213

Specimen Requirements

Submit only one of the following specimens:


Preferred
Specimen Type: Plasma
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Volume: 4.5 mL
Minimum volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hours


Acceptable
Specimen Type: Serum
Container/Tube: Gold Top (Serum Separator-SST Gel)
Volume: 5 mL
Minimum volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours

Specimen Transport Temperature

Refrigerate

Specimen Stability

Ambient: 12 hours

Refrigerate: 72 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

270 – 300 mOsm/kg H2O

Performing Department

CHEMISTRY

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI

Methodology

Freezing Point Depression

CPT

83930

CDM Code

3018393001

Epic Test ID

1230101000

LOINC

Osmolality: 2692-2

Mayo Access Code

SHO8286

Reviewed Date

3/23/2022