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Test ID: 25VITD

25-Hydroxyvitamin D, Serum

Orderable by Ontario ND

Test Overview

Clinical Utility

This method measures 25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3.

Method

Chemiluminescent immunoassay (CLIA)

Analytical Platform

DiaSorin Liaison

Result Included

25-Hydroxyvitamin D

Aliases/Synonyms

25-Hydroxy Vitamin D

Specimen

Specimen Type

Serum

Volume

Sample Volume

2 mL

Collection & Handling

Handling Information

Store and send frozen.

Additional Information

This test is performed when unspecified “Vitamin D” is ordered.

Stability

Ambient Refrigerated Frozen
7 days 1 month >1 year

Rejection Criteria

Criteria Specification
Specimen Plasma

Performance & Interpretation

Turnaround Time

5 days

Results

Name
Units
Reference Range
Conversion
  1. 25-Hydroxyvitamin D
    nmol/L
    ng/mL x 2.50

Referral Location

Canada

Interface & Setup

HL7 Interface Codes

Order Code Result Name Result Codes Units
25VITD 25-OH-Vitamin D 3036 nmol/L

Test Version

Last Updated

2023-04-04