Potassium, Total, RBC

2014041
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Example Reports
Detected
None Detected

Ordering Recommendation

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

Mnemonic

K RBC

Methodology

Quantitative Inductively Coupled Plasma-Mass Spectrometry

Performed

Varies

Reported

4-7 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Dark green (lithium or sodium heparin).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Leave RBCs in the original container and replace stopper. Transport 1 mL RBCs in the original collection tube. (Min: 0.3 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. Gel separator tubes including light green (lithium heparin with gel separator).

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

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
05/02/2022
X
08/16/2021
X
N/A

CPT Codes

84132

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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)