label: The character set switching mode specified in HL7 2.5, section 2.7.2, _Escape sequences supporting multiple character sets_ and section 2.A.46, "XPN _ extended person name".
label_lc: the character set switching mode specified in hl7 2.5, section 2.7.2, _escape sequences supporting multiple character sets_ and section 2.a.46, "xpn _ extended person name".