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

5-8 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Green (Lithium Heparin).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Leave RBCs in the original container and replace stopper. Transport 2 mL RBCs in the original collection tube. (Min: 0.7 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Tubes containing potassium-based preservatives/anticoagulants.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: 1 month; Frozen: Unacceptable

Reference Interval

By Report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note
Hotline History
N/A
CPT Codes

84132

Components
Component Test Code* Component Chart Name LOINC
2014042 Potassium, Total, RBC 2824-1
* 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
Potassium, Total, RBC

National Medical Services (NMS)