Clinical Finding (NNDSS) API for:
common_name = underlying-health-conditions.underlying-health-condition
OID = 2.16.840.1.114222.4.11.8084
Code System Version = 20090501
Code System = http://hl7projects.hl7.nscee.edu/frs/download.php/622/hl7_rimrepos-2.26.2.zip