Cracking the Health IT Coding Code

Paul Simon and Art Garfunkel reminded us that there are 50 ways to leave your lover. It turns out there are 50 ways to code for Lisinopril, an antihypertensive (high blood pressure) drug, in electronic medical records. Normalizing medical nomenclature and "mapping to a single ontology" is no simple task, and is but one on many issues confronting those trying to make a difference with data.