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HelpCatalog ID Osmo Osmolality
CPOE Test Name
Osmolality
Synonyms
Osmo
Specimen Type
Plasma
Specimen Requirements
5 mL light green top (Lithium Heparin) tube; 2 mL blood
Reference Values
278 – 295 m0smol/kg H20
Causes for Rejection
Wrong container; improper labeling; insufficient volume
Turn Around Time
Urgent/Emergent 1 hour; Routine 2 – 4 hours
CPT / HCPCS Code
83930
Performing Lab
Core Laboratory BI 2023 721-2120
Critical Values
≤ 250 mOsmol/kg or ≥ 325 mOsmol/kg