Specimen Requirements

Title

OSMOLALITY, SERIUM

Specimen Requirement

1 SST/1.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.

Methodology

Stability

Room Temperature or Refrigerated 7 days, Frozen 28 days

Reference Range

By Report*

Turnaround

4-6 days

Clinical Use

Used for the assessment of electrolyte and osmotic balance.

Test Code

SOSMM