2126 Vitamin B12 - Interpath Laboratory, Inc.

2126 Vitamin B12

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
Separate from cells ASAP

Rejection Criteria:

Grossly Hemolyzed Samples

Stability:

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

Methodology:

Chemiluminescence

Performed:

Mon-Fri

Reported:

1-3 Day(s)

CPT Codes:

82607 - Vitamin B-12

Interpretive Data:


Interpretation for Vitamin B12: Normal: 180-914 pg/ml Indeterminate: 145-180 pg/ml Deficient: <145 pg/ml Elevated: > 914 pg/ml