Test Code LI Lithium, Serum
Methodology
Spectrophotometric
Performing Laboratory
Huntsville Hospital Laboratory
Specimen Requirements
Draw blood in a plain, red-top tube(s) 8 to 12 hours after last dose (trough specimen). Peak serum concentrations do not correlate with symptoms. Spin down and send 0.5 mL of serum.
Reference Values
Therapeutic concentration: 0.6-1.2 mEq/L (trough concentration)
Critical value: >2.0 mEq/L
Day(s) Test Set Up
Monday through Sunday
CPT Coding
80178
Secondary ID
HHA1400
LOINC Coding
Test name | LOINC Code |
---|---|
Lithium, Serum |
14334-7 |
Specimen Stability Information
Specimen Type |
Temperature |
Time |
Serum |
RT, spun |
1 day |
Refrigerated, spun |
7 days |
Reject Due To
Hemolysis |
Mild: |
ok |
Gross: |
ok |
Lipemia |
Mild: |
ok |
Gross: |
ok |
Icterus |
Mild: |
ok |
Gross: |
ok |