▁Bureau ▁of ▁Labor ▁Statistics ' ▁Occ up ational ▁Out look ▁Hand book : ▁ ▁assemble ▁patients ' ▁health ▁information ▁including ▁medical ▁history , ▁sympt oms , ▁exam ination ▁results , ▁di agnostic ▁tests , ▁treatment ▁methods , ▁and ▁all ▁other ▁health care ▁provider ▁services . ▁Techn icians ▁organ ize ▁and ▁manage ▁health ▁information ▁data ▁by ▁ens uring ▁its ▁quality , ▁accuracy , ▁access ibility , ▁and ▁security . ▁They ▁regularly ▁communicate ▁with ▁phys icians ▁and ▁other ▁health care ▁profession als ▁to ▁clarify ▁diagn oses ▁or ▁to ▁obtain ▁additional ▁information . ▁ ▁The ▁International ▁Labour ▁Organ ization ' s ▁International ▁Standard ▁Classification ▁of ▁Occ up ations ▁further ▁notes : ▁" Occ up ations ▁included ▁in ▁this ▁category ▁require ▁knowledge ▁of ▁medical ▁termin ology , ▁legal ▁aspects ▁of ▁health ▁information , ▁health ▁data ▁standards , ▁and ▁computer - ▁or ▁paper - based ▁data ▁management ▁as ▁obtained ▁through ▁formal ▁education ▁and / or ▁prolong ed ▁on - the - job ▁training . ▁ ▁MR H IT s ▁usually ▁work ▁in ▁hosp it als . ▁However ▁they ▁also ▁work ▁in ▁a ▁variety ▁of ▁other ▁health care ▁settings , ▁including ▁office ▁based ▁phys ician ▁practices , ▁n urs ing ▁homes , ▁home ▁health ▁ag encies , ▁mental ▁health ▁facilities , ▁and ▁public ▁health ▁ag encies . ▁Techn icians ▁who ▁special ize ▁in ▁coding ▁are ▁called ▁medical ▁cod ers ▁or ▁coding ▁special ists . ▁ ▁In ▁the ▁United ▁States , ▁health ▁information ▁techn icians ▁are ▁cert ified ▁as ▁a ▁Register ed ▁Health ▁Information ▁Techn ician ▁( R H IT