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HelpTest Code LAB13226 Vitamin C
Department
SEND OUTS
Reference Lab Test Number
VITC
Collection Requirements
Patient should fast overnight, and refrain from Vitamin C intake for 24 hours
Refer To
Primary Collection Container
Green PST (Lithium Heparin)
Alternate Collection Container
Green (Sodium Heparin)
Transport
Plasma frozen
Preferred Transport Temperature
Frozen
Processing
CRITICAL FROZEN. PROTECT FROM LIGHT.
Centrifuge, separate as soon as possible (within 2 hours) and send 2.0 mL plasma in an amber screw-capped plastic tube.
If amber tubes are unavailable, cover standard transport tube completely, top and bottom, with aluminum foil and place extra label on outside.
Transport specimen in amber bag.
Specimen will be rejected if it is not wrapped in foil and exposed to light.
Stability
Ambient: 2 hours
Refrigerated: Unacceptable
Frozen (-70°C): 5 days
Minimum Testing Volume
1.0 mL
Reference Range
2-19 mg/L
Methodology
High Performance Liquid Chromatography
Performed
Monday-Friday
Reported
5 days
CPT Codes
82180
Unacceptable Conditions
Hemolyzed specimens.