Sample type: Serum

Test name: Osmolality

Condition / Indication: Fluid balance / electrolyte disturbances

Special precautions & notes: None.

Reference range: 275 - 295 mOsmol/kg

Container: Serum (Gold top)

Ideal volume (mL): 5 mL

Referred outside NBT for analysis? No

Discipline: Clinical Biochemistry

Section: Automated Laboratory

Turnaround time: Hospital patients 8 hours; GP patients 24 hours