Sample type: Serum

Test name: Lithium a.k.a. Li

Condition / Indication: Therapeutic Drug Monitoring

Special precautions & notes: 12 to 14 hours post dose is optimum. 

Reference range: Aim for: 0.6 - 0.8 mmol/L normally. 0.8 - 1.0 mmol/L if patient has relapsed previously on lithium or has sub-syndromal symptoms.

Container: Serum (Gold top)

Alternative container: MUST NOT BE Li heparin (green top)

Ideal volume (mL): 5 mL

Referred outside NBT for analysis? No

Discipline: Clinical Biochemistry

Section: Automated Laboratory

Turnaround time: Hospital patients 4 hours; GP patients 24 hours