Lithium

Alphabetical Test listing

Lithium-169

  
Lithium
  
169
  
80178.0
  
LTH
  
Li
Lithobid
  
Serum
  
  
1.0 mL
  
  • Preferred draw time is 8 - 12 hours after the last dose
  • Immediately following collection, thoroughly mix sample by gently inverting 5 times
  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
  

Gold serum separator (SST) tube

  
Sodium heparin (Na hep) plasma
  
  

Immediately following collection, mix sample thoroughly by gently inverting 5 - 10 times, to prevent clotting

  
  1. Spin
  2. Transfer plasma to a False bottom plasma/serum transport vial/tube (AHL), labelled as the appropriate plasma type, within two (2) hours of sample collection
  
  

Refrigerated (preferred) - 7 days

Ambient - 24 hours

Frozen - 6 months

  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis (some procedures)
  • Improper anticoagulant or ratio
    • Li Heparin plasma is not acceptable
  • Delay in transport
  • Improper storage temperature affecting results
  • Inappropriate timing of collection
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)
  
AHL - Chemistry: C
  
Daily
  
1 day
  

Colorimetric

  

Architect:

0.5 - 1.5 mmol/L

 

Roche:

0.6 - 1.2 mmol/L

  

> 1.5 mmol/L

  
80178
  
11/30/2001
  
12/26/2022
  
12/02/2021