NucMed > RIAScott WilliamsApr 2, 2002 RIA The Schilling Test Vitamin B12 absorption physiology Indications for the Schilling Test Pre-Test Preparation Causes of false low serum B12 level Causes of false normal B12 Stage I Schilling Test Technique Calculations Causes for a false positive test Causes for a false negative test Stage II Schilling Test Stage III Schilling Test Stage IV Schilling Test Dual-isotope Schilling test Blood Volume Determination Physiology Plasma Volume Technique Calculations RBC Volume Calculations Sources of possible error Reporting Results Diagnosis Relative polycythemia Polycythemia vera Secondary polycythemia Red Blood Cell Survival Technique Calculations Splenic Sequestration Study Latest in HomeDeep learning plus MRI predicts likelihood of postpartum hemorrhageJune 26, 2025Personal tragedies spur unity behind bill for diagnostic breast careJune 26, 2025FDA cites MRI study in new requirements for COVID-19 manufacturersJune 26, 2025SNMMI: Consider radiation safety when adding F-18 MPI to the radiation oncology suiteJune 25, 2025Related StoriesHomeNucMed > Musculoskeletal > LymphHomeNucMed > Cardiovascular > Sestamibi imagingHomeNucMed > PET > PET myocardial imagingHomeNucMed > Cardiovascular > Perfusion Exam Findings