K
Potassium, Serum or Plasma
EPIC Test Procedure Code: LAB2343
Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Serum gel tube or green top (heparin) tube
Specimen Type:
Serum or plasma
Preferred Volume:
1 mL
Minimum Volume:
0.5 mL
Collection Procedure:
1. The specimen must be centrifuged within 2 hours of collection.
2. Avoid hemolysis.
3. Indicate serum or plasma on the request form.
4. Label the specimen appropriately (serum or plasma).
Store and Transport:
Room temperature
CPT Codes:
84132 - Potassium (EAP 30014340)
Test Schedule:
Monday through Sunday
Method:
ISE indirect
Reference Ranges:
3.4 - 5.1 mEq/L
Critical values:
< 1 year: < 3.0 mEq/L or > 7.0 mEq/L
> 1 year: < 2.7 mEq/L or > 6.0 mEq/L