Test Details
Mnemonic
KRBC
Ordering Code
3718600
CPT-4 Code(s)
84132
Specimen Information
Collect
Green sodium heparin AND Lavender EDTA
Specimen Preparation
Send 4.0 mL whole blood collected in a green sodium heparin tube AND
4.0 mL whole blood collected in Lavender EDTA tube.
Both samples must only be collected Mon-Thurs and must be received together for testing.
4.0 mL whole blood collected in Lavender EDTA tube.
Both samples must only be collected Mon-Thurs and must be received together for testing.
Alternate Specimen
Whole blood: Lithium heparin
Minimum Volume
1.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Hemolyzed or frozen specimens
Stability
Room temperature: 48 hours
Refrigerated: 48 hours
Frozen: Unacceptable
Refrigerated: 48 hours
Frozen: Unacceptable
Methodology
Ion Selective Electrode
Reference Range
90 - 111 mmol/L
Performing Laboratory
Quest
New York DOH Approval Status
No