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HelpTest ID BLOD1575 Vitamin B12 Reflex to Methylmalonic Acid
Specimen Type/Requirements
Gold (SST Serum) Tube or Red (no-gel Serum) Tube.
Specimen Volume
| Preferred Volume | 1.0 mL |
| Minimum Volume | 0.5 mL |
Stability/Transport
| Room Temperature | 3 days | |
| Refrigerated | 7 days | Preferred for Transport |
| Frozen | >7 days |
Performed Test Frequency
Vitamin B12: Monday-Sunday
Methylmalonic Acid: Monday-Friday
Methodology
Vitamin B12: Chemiluminescence
Methylmalonic Acid: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Performing Lab
Vitamin B12: Sanford Laboratories Fargo-Core Lab
Methylmalonic Acid: Mayo Medical Laboratories
CPT
82607
83921 (if reflex to Methylmalonic Acid)
Report Available
Vitamin B12: 1-3 days
Methylmalonic Acid: 1-3 days
Additional Information
This test will reflex to Methylmalonic Aicd (BLOD0103) at an additional cost if Vitamin B12 is <300 pg/mL.