Sodium, Plasma or Serum

0020001
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Example Reports
High
Low
Normal

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

136-144 mmol/L

Interpretive Data



Compliance Category

FDA

Note

Hotline History

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