This is the ValueSet that contains codes in both Time Quantity Unit Codes (http://fhir.ch/ig/ch-emed-epr/ValueSet/ch-emed-epr-time-quantity-unit-code) and Time Quantity Unit Codes (http://fhir.ch/ig/ch-emed-epr/ValueSet/ch-emed-epr-time-quantity-unit-code).