2140 Vitamin B12 and Folate

Specimen:

Collect:

One 7.5 mL SST

Also Acceptable
One 4 mL Green Top (Li Heparin)

Submit:

1 mL (Min:0.5 mL) Serum. Submit Frozen. Submit in a Standard Transport Tube.

Also Acceptable
1 mL (Min:0.5 mL) Plasma. Submit Frozen. Submit in a Standard Transport Tube.

Special Handling:

Allow specimen to clot completely at room temperature
Avoid Repeated Freeze/Thaw Cycles
Fasting Specimen is Preferred
Protect from Light
Separate from cells ASAP

Rejection Criteria:

Grossly Hemolyzed Samples

Stability:

Ambient: Unacceptable; Refrigerated: 8 Hour(s); Frozen: 1 Month(s); Incubated: Unacceptable

Methodology:

Chemiluminescence

Performed:

Mon-Fri

Reported:

1-3 Day(s)

CPT Codes:

82607 - Vitamin B-12

82746 - Folic Acid, Serum

Interpretive Data:

Please see report for interpretive data.

Components:

2126 - VITAMIN B12

2127 - FOLATE