LITHIUM, SERUM

Test Code

LI (OE & LAB)

CPT Codes
80178

Preferred Specimen

Gold Tube (SST)

Patient Preparation
Document last dose

Minimum Volume

1 mL

Other Acceptable Specimens

Lavender Tube

Instructions

Centrifuge for complete separation of plasma or serum from red cells.

Transport Container

GOLD Tube

Transport Temperature

Room temperature

Specimen Stability

2-8°C up to 7 days

Methodology
Colorimetric

Setup Schedule

DAILY, as received

Report Available

STAT: <60 minutes
Routine: <4 hours

Reference Range

Male/Female All Ages: Normal Range: 0.6-1.2 mEq/L Critical High : >=1.5 mEq/L
Reference ranges may vary based on performing lab. Use lab reports when interpreting patient results.

Clinical Significance

Used for therapeutic monitoring of lithium concentration and evaluate its toxicity.

Performing Laboratory
Mount Sinai Hospital
Holy Cross Hospital

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.