Every twelve hours as required

Every twelve hours as required (qualifier value)

active

Code	`1831000175103`
Semantic tag	qualifier value
Module	international
Definition	primitive
Effective time	20150131

Synonyms

Every 12 hours as needed
Every 12 hours as required
Every twelve hours as needed

Parents (1)

307485003Irregular frequency qualifier value

Children (0)

None (leaf concept).