Ordering Recommendation
Mnemonic
NA
Methodology
Quantitative Ion-Selective Electrode
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Plasma separator tube or serum separator tube.
Specimen Preparation
Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Body Fluid (refer to Sodium, Fluid, ARUP test code 0020154). Urine (refer to Sodium, Urine, ARUP test code 0020851). Specimens collected in potassium oxalate, sodium citrate, or sodium fluoride.
Remarks
Stability
After separation from cells: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 6 months
Reference Interval
Effective February 22. 2022
By report
Interpretive Data
Compliance Category
FDA
Note
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
N/A
CPT Codes
84295
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0020001 | Sodium, Serum or Plasma | 2951-2 |
* 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
- K and NA blood concentration
- K and Na blood level
- K and Na Plasma or Serum
- K+ and Na+
- Na
- Na+ and K+
Sodium, Plasma or Serum