0020001
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Sodium, Plasma or Serum

NA
Example Reports
Abnormal
Normal

Ordering Recommendation

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

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
02/22/2022
X
N/A

CPT Codes

84295

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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