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Test Compendium


Test Code

  • 6097

Test Synonym

  • Vitamin C


  • 1 mL

Minimum Volume

  • 0.5 mL

Specimen Requirements

  • Serum


  • AMBLF - Collected in Green Lithium container, plasma transferred to Amber - FROZEN


  • Frozen

Turn Around Time

  • 5 days

CPT Codes

  • 82180
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • Collect blood by venipuncture into a green-top containing lithium heparin and mix immediately by gentle inversion at least six times to ensure adequate mixing. Plasma must be separated from cells immediately after venipuncture and transferred to light-protected amber plastic tube. Separated plasma must be placed on dry ice for shipment within 4 hours separation. FREEZE IMMEDIATELY and PROTECT FROM LIGHT.

Additional Information

  • Specimen Requirements: 1 mL plasma from green top (Lithium Heparin) tube; amber plastic transport with amber-top.

Specimen Stability

  • Freeze immediately and protect from light. Stable for five days at -30°C and one month at -70°C. There is a 61% decrease in levels in the first 24 hours following collection if the sample is allowed to remain at room temperature.