This code system http://hl7.org/fhir/v2/0502 defines the following codes:

CodeDisplay
LMLegally mandated
MINSubject is a minor
NCSubject is not competent to consent

Additional Language Displays

CodeNederlands (Dutch, nl)
LMWettelijk vereist
MINSubject is minderjairg
NCSubject is niet in staat tot toestemming