Meaningful use race code. The 5 base codes (see http://forum.sitenv.org/viewtopic.php?f=16&t=23&sid=8fb101254557843fa05ac94d8d83a095) from PHIN VADS https://phinvads.cdc.gov/vads/ViewValueSet.action?id=94E75E17-176B-DE11-9B52-0015173D1785 (oid: 2.16.840.1.113883.1.11.14914)
