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Point of Care Testing
Pathology Lab Manual
All Site Content
Vitamin C, Ascorbic Acid
4.0 mL blood
Volume and Container
4.0 mL green top heparinized blood tube, protected from light
Storage and Transport
Heparinized plasma stored frozen in amber vial until ready for transport to Mayo Medical Laboratory Rochester
Causes for Rejection
Specimens other than heparinized plasma, blood tube received exposed to light, gross hemolysis, cold/warm plasma
Turn Around Time
5-10 business days from time of collection
Monday-Friday from 8 am-5 pm, except observed holidays
CPT / HCPCS Code
Diagnosing vitamin C deficiency. Aid to deter excessive intake
Mayo Medical Laboratory Rochester
Test performed Monday-Friday at Mayo Medical Laboratory Rochester
Collect following an overnight fast. Protect collected blood from light at time of collection
See reference lab report
Limitations and Contraindications
Testing of nonfasting specimens or the use of vitamin supplementation can result in elevated values.
CPOE Test Name
Ref Misc Referral Lab Test, type Vitamin C in Test Name REF
Created at 9/8/2014 5:57 PM by Bradshaw, Keir
Last modified at 9/8/2014 5:57 PM by Bradshaw, Keir
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