Potassium-211
Test info
Potassium
211
84132.1
K
Specimen
Lithium heparin (Li hep) plasma
1.0 mL
0.2 mL
- If the patient has a white blood cell (WBC) count of >50,000, for chemistry testing that includes potassium, the sample should be collected in a gold serum separator (SST) tube and not a Lt green plasma separator (PST) tube.
- Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times to prevent clotting
Spin within two (2) hours of sample collection
Lt green plasma separator (PST)
Serum
Immediately following collection, mix sample by gently inverting 5 times
- Allow sample to clot for a minimum of 30 minutes
- Spin within two (2) hours of sample collection
Gold serum separator (SST) tube
Refrigerated (preferred) - 14 days
Ambient - 14 days
- Improper labels (unlabeled or mislabeled)
- Hemolysis
- Improper anticoagulant or ratio
- Delay in transport
- Improper storage temperature affecting results
- Inappropriate timing of collection
- Improper container
- Leaking container resulting in compromised specimen
- Quantity not sufficient (QNS)
Performance
AHL - Chemistry: C
Daily
1 day
Ion Selective Electrode - Indirect
Clinical and Interpretive info
| 3.5 - 5.1 | mmol/L |
Low: < 2.8 mmol/L
High: > 6.0 mmol/L
Billing
84132
Tracking
11/30/2001
05/02/2024
01/04/2024