NucMed > RIAScott WilliamsApr 2, 2002RIA 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 HomeDynamic chest radiography effective for diagnosing COPDDecember 16, 2025Study reports low NSF rates following GBCA administrationDecember 16, 2025CEUS finds residual liver cancer after downstaging therapyDecember 16, 2025Venture capital investment rising in radiologyDecember 15, 2025