Lithium

Pathology category

Biochemistry

Code

LI

Referral code

Request form

Test information

For monitoring patients on Lithium treatment

Guidelines

Pre-analytical

Blood must be taken at least 12 hrs post dose. Haemolysis unsuitable

Reference range

Therapeutic range: 0.6-0.8 mmol/L

Source: NICE Guidance NCG185

Tube type

Tube type info

Adults: 5ml Serum SST (gold top)

Special requirements

Minimum volume

Adults: 1 ml

Assay frequency

Run daily at local laboratory

TAT Inpatient (urgent)

1.5 hrs

TAT Inpatient

4 hrs

TAT GP/Outpatient

24 hrs

Referral lab

Local, Clinical Biochemistry