Osmolality

Overview

  • EPIC Code:
  • LAB107
  • Soft Test Code:
  • OSMO
Alternate Names
  • OSB
  • OSMO
  • Osmolality Serum

Specimen Collection & Preparation

Specimen Requirements:

-OR-

0.5 mL Plasma from a PST Mint Green Top Tube - Lithium Heparin
Minimum Volume:
0.1 mL Plasma*
Neonatal Volume:
0.3 mL Whole Blood Green Microtainer*

* This volume does not allow for repeat testing

Transport and Storage:
  • Ambient (18-24°C): 24 Hours
  • Refrigerated (2-8°C): 5 Days

Clinical Interpretation

Reference Range:

280 - 300 mOsm/kg


Methodology:
  • Freezing Point Depression

Production Schedule

Sites Performed
  • Parkview Randallia Hospital
  • Parkview Regional Medical Center
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Chemistry
Turn Around Time

Same Day/1 to 2 days


Coding & Compliance

CDM

01420280


CPT Coding

83930