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Test Code LAB122 Sodium - Serum or Plasma

Useful For

Sodium measurements are used in the diagnosis and treatment of aldosteronism, diabetes insipidus, adrenal
hypertension, Addison’s disease, dehydration, inappropriate antidiuretic hormone secretion or other diseases involving electrolyte imbalance.

Performing Laboratory

  • Asante Rogue Regional Medical Center (ARRMC)
  • Asante Three Rivers Medical Center (ATRMC)
  • Ashland Community Hospital (AACH)

 

Performing Department

Chemistry

Specimen Required

 

Outpatient clients MUST draw SST

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Centrifuge and refrigerate within 2 hours of collection

Primary tube: Spun SST stable 24 hours at  2° to 8° C

Serum stable 48 hours if aliquoted and refrigerated at 2° to 8° C

Reject Due To

  • Hemolysis
  • Quantity not sufficient (QNS)
  • Lack of Two Patient Identifiers:
    • 1-Patient's First & Last name 
    • 2-Patient's Date of Birth

Day(s) Performed

Report Available

  • Routine – same day
  • ASAP – 2 hours after receipt of specimen in lab
  • STAT – 1 hour after receipt of specimen in lab

Method Name

Ion Selective Electrode

CPT Code Information

84295  -  Sodium; serum, plasma

Billing Code

2051183