Test Overview
Test Methodology

Freezing Point

Test Usage

Evaluation of electrolyte balance, hyperosmolar status and hydration status

Reference Range *

No established reference range for fluid osmolality samples.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

2 hours

Soft Order Code
OSMF
MiChart Code
Osmolality, Fluid
Synonyms
    Laboratory
    Chemical Pathology
    Section
    Automation
    STAT Availability

    STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

    Specimen Requirements
    Collection Instructions

    Collect body fluid in clean container with no preservative (SST or red top tube, Vacutainer® tubes are also acceptable). Refrigerate. Body fluid must be of liquid consistency for analysis. Watery stool sample acceptable.

    Alternate Specimen
    Stool acceptable, must be of liquid consistency. [4/08]
    Normal Volume
    0.5 mL fluid
    Minimum Volume
    0.25 mL fluid
    Billing
    CPT Code
    83930
    Fee Code
    20740
    LOINC
    15200-9
    NY State Approved
    No