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Alphabetical Index
SODIUM, body fluid (8000100494)
Test Mnemonic:

NA BF
Specimen Requirements:

Body fluids from all sources.
Collection:

Preferred: 10 mL plastic, conical, capped tube. (Min.: 1 mL)
Storage/Transport:

Delivered to Sample Management within 4 hours of collection.   
Stability:

 

Room temperature for ≤4 days, Refrigerated   for ≤7 days, and Frozen for ≤6 months. (Avoid repeated freeze/thaw cycles).       
Causes for Rejection:

Specimen too viscous for sampling, incomplete and/or incorrect sample identification, improper storage/transport.                                                             
Specimen Preparation:

Centrifuge the specimen prior to analysis to remove possible cellular and bacterial contaminants.
Methodology:

Potentiometric
Performed:

Clinical Chemistry
Turnaround Time:

Routine: 8 hours; ASAP: 4 hours; STAT: 1 hour
Reference Range:

By report (reports may vary based on instrumentation, patient age and sex)
CPT 4 Code:

84302
Note:

State source of fluid on request form.
Effective Date: 07/03/2013
Reviewed By/Date: Okorodudu, Anthony - 06/06/2019
Approved By/Date: Okorodudu, Anthony - 12/20/2022
When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.

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