Sign in →

Test Code LI Lithium, Serum

Methodology

Ion-Selective Electrode (ISE)

Performing Laboratory

Aspen Valley Hospital

Physician Office Specimen Requirements

Container/Tube:  Orange-top tube(s) or plain, red-top tube(s) - Serum gel tube is not acceptable.

Specimen:  2 mL (minimum volume:  1 mL) of serum
Transport Temperature:  Ambient

Collection Instructions:  Draw blood 12 hours ±30 minutes after last dose. Allow specimen to clot for approximately 10 minutes, spin down, remove serum, and place in separate plastic vial. If there is a delay in transport of >8 hours, send specimen refrigerated.

Note:  Indicate date and time of last dose on request form.

Reference Values

0.5-1.5 mEq/L

Critical value (automatic call-back):  >2.0 mEq/L

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

80178