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Back to Test Catalogue
Test ID: FL

Fluoride, Serum/Plasma

Test Overview

Method

Combination Electrode

Result Included

Fluoride

Specimen

Specimen Type

Serum
Plasma

Containers

Collection Containers

Royal blue top (clot activator – serum); Royal blue top (EDTA – plasma)

Volume

Sample Volume

2 mL

Minimum Volume

1.1 mL

Collection & Handling

Collection Instructions

Avoid external contamination during sample collection

Handling Information

Immediately invert the whole blood sample tube 8 to 10 times in order to avoid blood clots. Centrifuge the sample and transfer the plasma/serum to a transfer vial the pre-rinsed pipet. Pre-wash a plastic pipette with nitric acid 0.5% followed by distilled water. Store and send frozen.

Stability

Ambient Refrigerated Frozen
Unacceptable Unacceptable 365 days

Performance & Interpretation

Turnaround Time

24 days

Results

Name
Units
Reference Range
Conversion
  1. Fluoride
    µmol/L
    Normal Concentration: 0.52 - 10
    Therapeutic Interval: 6 - 13
    Reporting detection limit: 0.3 µmol/L

Referral Location

Canada

Interface & Setup

HL7 Interface Codes

Order Code Result Name Result Codes Units
FL Fluoride 2927 µmol/L

Test Version

Last Updated

2025-12-19