SODIUM, BODY FLUID

Mnemonic

BFNA

Synonym

Na+ - Body Fluid Sodium Cation - Body Fluid Sodium Electrolyte - BF NA

Specimen Collection Requirements

Collect

Body Fluid, one sterile container

Handling

If cellular material is present, remove by centrifugation. Specify source of body fluid on collection container and test request form.

Preferred Volume

0.5 mL

Minimum Volume

0.2 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Hemolyzed specimens or specimens collected in sodium citrate or sodium fluoride

Stability

AFTER SEPARATION FROM CELLULAR MATERIAL: Ambient (18-25°C): 4 days; Refrigerated (2-8°C): 2 weeks; Frozen (at or below -20°C): 6 months

Testing Information

Performed

7 days/week

Method

Ion Selective Electrode

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

Not established

CPT Codes

84302

Last Updated: Thursday, January 5, 2017 03:42:30 AM