LITHIUM, SERUM

Message

Serum or EDTA samples MUST be separated from red cells within 4 hours of collection. Aliquot (transfer) serum or plasma into a standard transfer tube.

Test Code

CPT Codes
80178

Preferred Specimen

1 Red tube

Patient Preparation
Draw 6-12 hours post-dose.

Minimum Volume

0.6 mL

Other Acceptable Specimens

1 Lavender tube (EDTA)

Instructions

Centrifuge for complete separation of plasma or serum from red cells. Aliquot serum or plasma into transfer tube. Refrigerate until tested.

Transport Container

Standard transport tube.

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 7 days
Frozen up to 1 year

Methodology

Colorimetric

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory

Reference Range

0.5 - 1.2 mmol/L

Clinical Significance

Treat episodes of manic-depressive illness; evaluate toxicity

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB1 (Chemistry, Beckman AU)

Last Updated: January 17, 2024

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.