Abstract Collection Accepted abstracts will be published on 25.5.2012 in CCLM (Clinical Chemistry and Laboratory Medicine, Swiss MedLab Abstracts). Aeschbacher S. D05 Current Smoking and Prediabetes in Young and Healthy Adults Belhadj S. C01 Le Profil Etiologique des Parasitoses Intestinales Rencontrees dans la Region de Tunis: Bilan de 5 Ans au Chu la Rabta de Tunis Büchel B. F03 Comparative Evaluation of the My5-FU™ Immunoassay and LC-MS/MS in the Monitoring of 5-Fluorouracil Levels in Cancer Patients Donzé N. C05 Toxicology in Emergency Room in the Valais Hospital between 2007 and 2011 Fingerhut R. E02 A Rapid and Sensitve UPLC-Method for the Separation and Quantification of Branched-Chain Amino Acids from Dried Blood Samples of MSUD Patients Fröhlich T. K. B01 Targeted Pathway Approach for the Pharmacogenetic Prediction of Early Onset 5-Fluorouracil Toxicity Fuhrer C. A. D06 Postmenopausal Women Show Higher Serum 25-Hydroxyvitamin D Levels Henry H. A03 Brain Damage in Methylmalonic Aciduria: 2-Methylcitrate Leads to Accumulation of Ammonia Henzi S. H01 Integration of Various Medical Information Systems Through Electronic Order Entry with Elexis Hersberger M. A01 Low Dose Aspirin Reduces Plasma Chemerin Levels in Coronary Artery Disease Patients Through Reduction of Adipose Tissue Inflammation Hersberger M. A02 Regulation of the Second 15-Lipoxygenase, ALOX15B, in Human Macrophages Hersberger M. E01 Quantification of Free Fatty Acids and Lipid Mediators in Plasma by Mass Spectrometry Imperiali M. F02 Evaluation of two Point-of-Care (POC) Instruments for the Blood Gas Analysis Imperiali M. F10 Thyroid Volume Influences Serum Calcitonin Levels in a Thyroid-Healthy Population: Results of a 3-Assays, 519 Subjects Study Imperiali M. G06 Serum Thyroglobulin Reference Values According to NACB Criteria and Thyroid Ultrasound Kamber L. F07 Laboratory Validation of two Monospecific (IgG) ELISAs for the Detection of PF4/Heparin Antibodies Kufner K. F06 25-Hydroxyvitamin D: Comparison of three Automated Assays with Liquid Chromatography / Mass Spectrometry (LC/MS) Lee H. K. C02 Comprehensive Serotyping and Epidemiology of Human Respiratory Adenovirus Isolated in Gyeonggi Province, South Korea Ludin K. B02 Sanger Sequencing and MLPA Applied to Orphan-Disease-Associated Genes Medina Escobar P. G01 25 OH-Vitamin D Levels in Healthy Swiss Elderly. Results from the Seniorlabor Study Medina-Escobar P. G03 Reference Intervals for Hemoglobin in Subjectively Healthy Elderly Individuals – How Valid are the WHO Cut-Offs? Mendez A. F09 Performance Evaluation of a New Von Willebrand Factor Activity Assay Mix G. E03 Improved Method for Fungal Identification Using Liquid Culturing and MALDI-TOF Mass Spectrometry Profiling Oberle M. D07 Concentration of Mould Fungus Spores in a Hospital Building - Impact of Potted Plants and Environment Ottiger C. F08 Detection Limit of Architect Hepatitis C Core Antigen Assay in Correlation with HCV-PCR Viral Load Regeniter A. F04 Consistency of Results for the Biomarkers of Alzheimer’s Disease Rey F. F05 25-Hydroxy Vitamin D : Method Performance Comparison of two Recently Modified Automated Immunoassays, a RIA and LC MS/MS Risch C. G04 Reference Intervals for Markers of Vitamin B12 Deficiency in Subjectively Healthy Elderly Individuals Risch L. D01 Risk Assessment in Early Pregnancy for the Prediction of Preeclampsia and Neonatal Condition at Birth Risch L. G05 Placental Growth Factor (PLGF) Concentrations During Gestational Weeks 11-14 Risch M. G02 Reference Intervals for Kidney Function Markers in the Elderly: Standardized Cystatin C and Cystatin C based CKD-EPI eGFR Change with Nutritional Stat Rossier M. F. F01 Validation of the Cobas/Ssdw System for Trisomy 21 Screening in the First Trimester of Pregnancy: Comparison with the Kryptor/FastScreen Combination. Röthlisberger B. A04 TNIP1 is a Novel Fusion Partner Gene to PDGFRB in Chronic Myelomonocytic Leukemia Associated with Eosinophilia Saller E. B03 Molecular Analysis of the 21-Hydroxylase Encoding Gene CYP21A2 in Patients with Congenital Adrenal Hyperplasia Schoen T. D02 Body Mass Index, Muscle Mass and NT-proBNP Levels in Healthy Adults Sistonen J. E04 Prediction of 5-Fluorouracil Toxicity in Cancer Patients: Development of a Novel Diagnostic Genotyping Assay Stamouli M. C03 Prevalence of Hepatitis B among Greek Naval Recruits Stamouli M. C04 Prevalence of Monoclonal Gammopathies in Greek Patients Stieger G. D04 Diabetic and Non-diabetic Glucosuria in a Swiss Population (CoLaus) Tomonaga Y. D03 Neutrophil Gelatinase-Associated Lipocalin and Charlson Comorbidity Index Obtained in a Primary Care Setting von Känel T. A05 Thalassemia Patient with a Novel 3 Mb Deletion von Känel T. B04 Identifying Misleading Results in Gap-PCR Walter P. F12 Aspirin Resistance and Associated Factors in Outpatients Walz B., Printzen G. F11 Impact of Ascorbic Acid on Urine Test Strips in Automated Systems