Test Code RMCSEROSMO Osmolality*
Methodology
Freezing Point Depression
Performing Laboratory
Rutland Regional Medical Center Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube: Gold top, serum gel-Any other tube is not acceptable.
Specimen Volume: Full tube
Specimen Minimum Volume: 2 mL
Collection Instructions:
1. Send specimen in original tube.
2. If there is a delay in transport of >1 hour, centrifuge tube.
3. SAMPLE MUST BE ANALYZED AT RRMC WITHIN 24 HOURS OF COLLECTION
Specimen Transport Temperature
Refrigerated
Reference Values
Males: 280-300 mOsm/kg
Females: 275-295 mOsm/kg
Day(s) Performed
Daily
Analytical Time:
1 day
Available Stat
Test Classification and CPT Coding
CPT: 83930
LOINC: 2692-2
Order Code: RMCSEROSMO
Result Code: RMCL800501
Result Name: Osmolality