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HelpPotassium Level
Additional Codes
LAB114
Performing Laboratory
MBMC Main Laboratory
Methodology
Ion Selective Electrode Diluted (Indirect)
Specimen Requirements
Note: This test is also available as part of
Basic Metabolic Profile, Comprehensive Metabolic Profile,
Electrolyte Panel, and Renal Panel. See Common Panel Test
Combinations in Special Instructions to avoid duplicate test
requests when multiple panels are ordered.
Preferred Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin
gel)
Specimen Volume: Full tube
Alternative Specimen Type: Serum
Alternative Container/Tube: Gold, Serum gel
Alternative Specimen Volume: Full tube
Specimen Transport Temperature
Ambient
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours
Reference Values
3.6-5.2 mmol/L Serum
3.3-4.9 mmol/L Plasma
Critical values (automatic call-back):
0 minutes - 1 year: > 7.0 mmol/L
> 1year: < 2.8 or > 5.6 mmol/L
Test Classification and CPT Coding
Test Classification:This test has been cleared
or approved by the U.S. Food and Drug Administration and is used
per manufacturer’s instructions.
CPT Code:
84132
Special Instructions
Stability
5 days Refrigerated