Test Name |
Vitamin B12 |
Test Code |
518 |
Unit |
pg/mL |
Station |
Chemistry |
Synonym Name/Abbreviation |
B12, True Cobalamin |
CPT Code |
82607 |
Performing Facility |
American Medical Labs, Herzliya |
Analyzer |
Roche cobas 6000 |
Test Method |
Electrochemiluminescence immunoassay |
AML Preferred Tube |
5 mL SST gel |
Storage Instructions |
Refrigerated Stability: 2 hours 25oC
|
Min. Volume |
1 mL |
Comments |
Test before transfusions or B12 |
Turn-Around-Time |
One day. |
Intended Use |
Detect B12 deficiency as in pernicious anemia; diagnose folic |
Limitations |
Drugs capable of interference with absorption of B12 and/or 50.0-2000 pg/ml
|
Patient Preparation |
Fasting specimen preferred; must draw before Schilling test, |
Reasons for Rejection |
Improper labelling. |
Adult Reference Ranges |
193 to 982 pg/mL |