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Test Code LAB29 Lithium Level

Performing Lab

Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital

Ordering Recommendations

Monitoring therapy of patients with bipolar disorders, including recurrent episodes of mania and depression.

Evaluating toxicity.

Collect

Serum

Collection Device

Gold Top Tube

Collection Instructions

Sample Time: Draw blood 8 to 12 hours after last dose (trough specimen). Peak levels occur 2-4 hours after an oral dose.

Specimen Handling

Sample must be separated within 4 hours of collection.

Stability (from collection to initiation)

Room Temp

 4 Hours
Refrigerated 7 Days
Frozen 1 Year

Storage/Transport Temperature

Room Temp, Refrigerated or Frozen

Specimen Volume

5 mL

Minimum Requirements

1 mL

Remarks

TURN AROUND TIME

STAT

 1 hour
Routine 8 hours

Synonyms

Li

Methodology

Spectrophotometry

Start Date

9/13/2017

Last Review Date

07/08/2025

7/11/25 AP