Department: 
Biochemistry
Tube Colour: 
Light Green
Gold
Pseudonyms: 
OSM, specific Gravity
Test Code: 
OSM
Availability: 
Daily
Collection Requirements: 
4.5 ml Lithium Heparin or 8.5 ml Serum
Requires own tube?: 
No
Internal Spec Code: 
Fee: 
Reference Range: 
280 - 300 mmol/kg
Notes: