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HelpTest Code OSMO Osmolality, Serum
Additional Codes
Epic: LAB107
Specimen Required
Specimen Type: Serum
Collection Container/Type
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and separate cells after clot formation and within 1 hour of collection.
Specimen Minimum Volume
0.10 mL
Specimen Stability
Room temperature: 24 hours
Refrigerated: 24 hours
Frozen: Not defined
Reference Range
280 - 300 mOsm/kg
Rejection Due To
Samples not centrifuged within 1 hour of collection, unlabeled, mislabeled, wrong tube type, hemolyzed, QNS, exceeds specimen stability requirements.
Report Available
1 day
Day(s) Performed
Daily
LOINC
2692-2