Vitamin C, Plasma ( Ascorbic Acid )

Department

Lipids/Trace Metals

Delphic Registration Code

VITC

Laboratory Handling

Phlebotomy

Collect on ice. Wrap in foil. Send to lab immediately.

Registration

Frozen aliquots from referring labs must stay frozen, send to trace metals lab frozen

Separating

Separate and freeze ASAP, Lipids / Trace Metals- Freezer

Laboratory

Gross haemolysis reject, gross lipemia OK, gross icterus OK

Test Adds

Frozen -60°C 14 days, light protected

Synonyms

Ascorbic Acid
Leucocyte Ascorbic Acid

Turnaround Time

3 weeks

Test Code

3490

Specimen Type

• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Lithium Heparin - Non-gel (Green Cap)

Preferred if West Coast

• Lithium Heparin - Gel (Light Green Cap)

Acceptable

• Lithium Heparin - Gel (Light Green Cap)

Preferred Sample Volume (ml)

4.5

Minimum Sample Volume (ml)

2

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Lithium Heparin - Non-gel (Green Cap)

Acceptable

• Lithium Heparin - Gel (Light Green Cap)

Preferred Sample Volume (ml)

2

Minimum Sample Volume (ml)

2

Additional Specimen Information

Collected on ice.

Aliquot Instructions

Sample Type

• Plasma

Minimum Volume (ml)

0.5

Transport to Lab

Frozen
If overnight - Frozen

Additional Referral/Aliquot Information

Protect from the light, keep frozen.

The sample separation and subsequent freezing prior to sending to CHL is time critical. Must be frozen within 2 hours of collection.

Interpretation

Ascorbic acid is one of the essential vitamins which is obtained from diet only. Best sources of the vitamin are citrus fruits, berries, melons, tomatoes and leafy green vegetables.

Reference Intervals

26  – 85 umol/l.

Test Method

HPLC - UV

Non-Funded Test Cost

$162.99 (Exclusive of GST)

Billing Code

3491

Contact Information

Enquiry Form

Contact Information

Enquiry Form