- 2140
Vitamin B12 and Folate
Specimen:
Collect
- One SST
Also Acceptable:
- One Red Top
Submit
- 1 mL (Min:0.5 mL) Serum . Submit Refrigerated.
Special Handling
- Allow specimen to clot completely at room temperature
- Avoid Repeated Freeze/Thaw Cycles
- Fasting Specimen is Preferred
- Minimize air exposure
- Protect from Light
- Separate from cells ASAP
- For patients receiving therapy with high biotin doses (>5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
Stability
Ambient: 2 Hour(s); Refrigerated: 2 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology
- Electrochemiluminescence Immunoassay (ECLIA)
Performed
Mon-Fri
Reported
1-3 Day(s)
CPT Codes
- 82607
- 82746
Interpretive Data
Please see report for interpretive data.
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with at least one test in this panel and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be taken until at least 8 hours after the last biotin administration.
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with at least one test in this panel and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be taken until at least 8 hours after the last biotin administration.
Components
- 2126 - VITAMIN B12
- 2127 - FOLATE
Last Updated: October 10, 2024 @ 9:13 am
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