The medical coder is bound by law and compliance rules to only code what is documented in that specific note
Two patterns I see clinically: The form of B12 matters
They introduce variables that can completely invalidate your research
Disclosure of interest: All authors: nothing to disclose Poster session II - DIAGNOSIS / ETIOLOGY 04.00 - DIAGNOSIS / ETIOLOGY - 04.09 - SEX, GENDER AND STROKE P936 - ESOC25-1649 CEREBRAL VENOUS SINUS THROMBOSIS IN PREGNANT AND PUERPERAL WOMEN Kirsi Rantanen 1 , Liisa Verho 2 , Aino Korhonen 3 , Anna Richardt 1 , Karoliina Aarnio 3 , Hannele Laivuori 4 , Minna Tikkanen 5 , Mika Gissler 6 , Petra Ijs 3 1 Neurology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland, 2 Obstetrics and Gynecology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland, 3 Neurology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland, 4 Medical and Clinical Genetics, University of Helsinki and Helsinki University Hospital, Insititute for Molecular Medicine Finland, Helsinki Institute of Life Science, University of Helsinki, Department of Obstetrics and Gynecology, Tampere University Hospital, Helsinki Tampere, Finland, 5 Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland, 6 Department of Knowledge Brokers, Finnish Institute for Health and Welfare, Helsinki, Finland, Academic Primary Health Care Centre, Region Stockholm, Stockholm, Sweden, Helsinki, Finland Background and Aims: Cerebral venous thrombosis(CVT) is more common among women during pregnancy and puerperium compared to nonpregnant time
