91446 Vitamin C - Interpath Laboratory, Inc.

91446 Vitamin C

Specimen:

Collect:

Two 4 mL Green Top (Li Heparin)

Also Acceptable
Two 4 mL Green Top (Na Heparin)

Submit:

Two 2 mL (Min:2 mL) Plasma. Submit Frozen.

Special Handling:

Critical Frozen
Fasting Specimen is Preferred
Centrifuge immediately. Add plasma to two special Vitamin C collection tubes. Mix and freeze. Adequate preservative is 20 mg oxalate to 1mL plasma.

Rejection Criteria:

Grossly Hemolyzed Samples
Specimens not preserved with oxalic acid

Stability:

Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 2 Month(s); Incubated: Unacceptable

Methodology:

Spectrophotometry

Performed:

Tuesday, Thursday, Sunday

Reported:

2-8 Day(s)

CPT Codes:

82180 - Ascorbic Acid

Interpretive Data:

General Reference Range : 0.4-2.0 mg/dL