Vitamin C, Plasma

Vitamin C

Order Code:	VTC
Epic Lab Code:	LAB4253
Order Form:	A-1a Miscellaneous Request or Epic Req

Commercial Mail-out Laboratory
6240 RCP
356-3527

Specimen:

Plasma

Collection Medium:

	and
Light Green top tube (Lithium Heparin)	and	Light Green top tube (Lithium Heparin)

Minimum:

4 mL oxalic acid-preserved plasma (oxalic acid plasma preservation done in Specimen Control during processing).

Rejection Criteria:

Serum and hemolyzed plasma. Nonfrozen samples, and samples that are not preserved with oxalic acid. Body fluids other than plasma.

Delivery Instructions:

Deliver to laboratory immediately after collection. Critical frozen.

Specimen Instructions:

Overnight fasting preferred.

Analytic Time:

7 working days upon receipt at reference laboratory

Reference Range:

0.4-2.0 mg/dL

Comments:

Note: Vitamin C concentrations between 0.2 and 0.4 mg/dL indicate risk of deficiency. Concentrations less than 0.2 mg/dL are consistent with deficiency.

Methodology:

Spectrophotometry

CPT Code:

82180

See Additional Information:
Specimens Requiring Immediate Delivery