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VITAMIN C LEVEL

Mnemonic

VIT C LVL

Synonym

Ascorbic Acid

Specimen Collection Requirements

Patient Preparation

Blood should be drawn following an overnight (12-14 hour) fast. INFANTS, draw before the next feeding. Water can be taken as needed.

Collect

Plasma, one green (sodium heparin) top tube

Handling

Immediately place specimen on wet ice. Maintain specimen on wet ice and process within 4 hours of draw. Centrifuge at 4°C and freeze. PROTECT FROM LIGHT.

Minimum Volume

0.5 mL

Transport

Frozen, protected from light

Rejection Criteria

Plasma separator tubes (PST) or specimens not protected from light

Stability

AFTER SEPARATION FROM CELLS: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 14 days

Testing Information

Performed

Mon - Fri

Reported

3-5 days

Method

High-Performance Liquid Chromatography (HPLC)

Referral Lab

Mayo Medical Laboratory (VITC)

Reference Values

Reference Values

0.6-2.0 mg/dL

CPT Codes

82180

Last Updated: Thursday, January 5, 2017 03:41:43 AM


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