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2014041
Potassium, Total, RBC
K RBC
Ordering Recommendation
May be useful in certain research settings or for estimating tissue stores of potassium.
New York DOH Approval Status
This test is New York state 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.
Remarks
Stability
Ambient: Unacceptable; Refrigerated: 1 month; Frozen: Unacceptable
Methodology
Quantitative Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Performed
Varies
Reported
4-7 days
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)
