Your primary dx should be the sign/symptom or diagnosis that drove the encounter. This may or may not be the presenting problem. (ie pt presents with pharyngitis, but due to pain has not been drinking fluids. Labs indicate dehydration, for which an IV of fluids is started and he/she is admitted overnight.
Neurosyphilis is considered infectious but is not transmitted from person to person. Generally, a disease like this is caused by an infectious agent and not spread between people. Neurosyphilis, although infectious, is not a genetic disease. It is not caused by a defective or abnormal gene.
Contagion and contagiousness refers to how easily the spread of Nodular Prurigo is possible from one person to another. Other words for contagion include infection, infectiousness, transmission or transmissability. Contagiousness has nothing to do with genetics or inheriting diseases from parents.ontagion and contagiousness refers to how easily the spread of Nodular Prurigo is possible from one person to another. Other words for contagion include infection, infectiousness, transmission or transmissability. Contagiousness has nothing to do with genetics or inheriting diseases from parents.