Ordering Recommendation
May be useful in certain research settings or for estimating tissue stores of potassium.
Mnemonic
Methodology
Quantitative Inductively Coupled Plasma-Mass Spectrometry
Performed
Varies
Reported
4-7 days
New York DOH Approval Status
Specimen Required
Dark green (lithium or sodium heparin).
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.
Refrigerated.
Tubes containing potassium-based preservatives/anticoagulants. Gel separator tubes including light green (lithium heparin with gel separator).
Ambient: Unacceptable; Refrigerated: 1 month; Frozen: Unacceptable
Reference Interval
By Report
Interpretive Data
Performed by non-ARUP Laboratory
Note
Hotline History
Hotline History
CPT Codes
84132
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2014042 | Potassium, Total, RBC | 2824-1 |
Aliases
- N/A
National Medical Services (NMS)