No Value

Infection without a subcode or subcode "0" - "No value", is not allowed if an infection code 31-99 is used. You use sub code 68 unknown pathogen culture sent or subcode 92-no culture sent.--TOstryzniuk 17:08, 22 September 2010 (CDT)

Template:Discussion Is there anywhere else in ccmdb.mdb that NO VALUE is a field. This article is not only applicable to pathogens.--TOstryzniuk 17:10, 22 September 2010 (CDT)