Potassium, RBC

Message

Whole blood must be received in Chantilly Monday through Friday
a.m. within 24 hours of collection.

Test Code

KRBC

Alias/See Also

LAB13717

CPT Codes
84132<br><strong>This test is not available for New York patient testing</strong>

Preferred Specimen

4 mL whole blood

Minimum Volume

1.5 mL

Instructions

Both samples must only be collected Mon-Thurs and must be received together for testing.

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 72 hours Refrigerated: 72 hours Frozen:
Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received frozen • Hemolysis

Methodology

Ion Selective Electrode

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. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Tues-Sat a.m.

Report Available

2-4 days

Reference Range

90-111 mmol/L packed RBCs

Clinical Significance

Use: Potassium is nearly all maintained within cells. RBC Potassium may be useful in assessing potassium redistribution.

Performing Laboratory
Quest Diagnostics Nichols Inst San Juan Capistrano 33608 Ortega Highway San Juan Capistrano, CA 92675

Last Updated: February 17, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.