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Potassium, RBC
2014041
Ordering Recommendation

May be useful in certain research settings or for estimating tissue stores of potassium.

Mnemonic
K RBC
Methodology
Quantitative Inductively Coupled Plasma-Optical Emission Spectrometry
Performed
Varies
Reported
3-10 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Green (Lithium Heparin). 
Specimen Preparation
Separate cells within 2 hours of collection. Transfer 2 mL RBCs to a trace metal-free or acid-washed plastic container. (Min: 0.7 mL) 
Storage/Transport Temperature
Refrigerated. Also acceptable: Frozen. 
Unacceptable Conditions
Light blue (sodium citrate), gray (potassium oxalate) or yellow (ACD Solution). 
Remarks
 
Stability
Ambient: Unacceptable; Refrigerated: 1 month; Frozen: 1 month 
Reference Interval
By Report
Interpretive Data


Components
Component Test Code*Component Chart NameLOINC
2014042Potassium, Red Blood Cells6298-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • N/A

Performed at National Medical Services (NMS)