Potassium, RBC
Order Code: KRBC
Test Summary
Potassium is nearly all maintained within cells. RBC Potassium may be useful in assessing potassium redistribution.
Aliases
- N/A
Specimen Collection
Special Instructions
Follow Short Stability Protocol
Preferred Specimen
4 mL whole blood collected in a sodium heparin or lithium heparin (green-top) tube, and 4 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
1.5 mL
Instructions
Both samples must only be collected Mon-Thurs and must be received together for testing.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 48 hours
- Refrigerated: 48 hours
- Frozen: Unacceptable
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received frozen • Hemolysis
Order Code
KRBC
EPIC (Premier) Code
LAB5580
Includes
N/A
CPT Code
- 84132
- This test is not available for New York patient testing
Billing Code
- 670017
CPT Statement
Methodology
Ion Selective Electrode (ISE)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675
33608 Ortega Highway
San Juan Capistrano CA, 92675
Department
Reference Testing
Reference Range
90-111 mmol/L
Setup Schedule / Expected Turnaround Time
Tuesday - Saturday; Report available: 2 - 4 days
Specimen Collection
Special Instructions
Follow Short Stability Protocol
Preferred Specimen
4 mL whole blood collected in a sodium heparin or lithium heparin (green-top) tube, and 4 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
1.5 mL
Instructions
Both samples must only be collected Mon-Thurs and must be received together for testing.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 48 hours
- Refrigerated: 48 hours
- Frozen: Unacceptable
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received frozen • Hemolysis
Billing
CPT Code
- 84132
- This test is not available for New York patient testing
Billing Code
- 670017
CPT Statement
Result Information
Methodology
Ion Selective Electrode (ISE)
Testing Laboratory
N/A
Reference Range
90-111 mmol/L
Setup Schedule / Expected Turnaround Time
Tuesday - Saturday; Report available: 2 - 4 days