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Test & Collection Guide

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Vitamin C

Alternate names:
Ascorbate, Ascorbic Acid
Laboratory:
Referred Test
Test Code:
VITC
Specimen types:
Plasma
Container types:
Lithium heparin no gelLithium heparin no gel
Collection Instructions:
Transport ON ICE IMMEDIATELY to lab

Wrap specimen in foil to protect from light

Minimum Adult Volume:
1 mL
Paediatric Minimum Volume:
1 mL
Notes:

Consult dietitian before requesting vitamin assays on inpatients.

Specimens for vitamin assays must be taken before dietary changes are implemented

Frequency:
Weekly
Reference Interval:

Vitamin C 23 – 85 umol/L

Source:  Chromsystems kit insert (IM 65065 Vitamin C EN 07/2015 R1).

                                                                                                                           

Vitamin C <11 umol/L . Severe vitamin C deficiency.  These levels are typically associated with increased rates of scurvy.             

                               

Vitamin C levels  11 - 23 umol/L           

Marginal vitamin C deficiency.  Increased levels of Ischemic heart disease and mortality have been described in population based long term follow up studies.  Lykkesfeldt J, Poulsen HE.  Is vitamin C supplementation beneficial?  Lessons learned from randomised controlled trials. Br J Nutr. 2010 May; 103(9):1251-9. doi: 10.1017/S0007114509993229.

Laboratory Use Only

  

Accessing Results

EMR: Pathology results are available via EMR.

Auscare: If EMR is unavailable, results can be accessed through Auscare. Don’t have an Auscare login? Complete the Auscare User Form.

 

Forms & Collection Guides

Consent Form – Non-Medicare Tests
For tests not covered by Medicare. Download Form  

Pathology Request Form
Printable referral form for submitting pathology requests. Download Form.

Microbiology Swab Collection Guide 
Step-by-step instructions for correct swab collection. Download Guide.

Preferred Order of Draw
Instructions to ensure accurate blood collection and results. View Instructions 

 

Feedback

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Pathology Handbook

Test & Collection Guide