This code system http://hl7.org/fhir/v3/GTSAbbreviation defines the following codes:

LvlCodeDisplayDefinition
1AMAMEvery morning at institution specified times.
1BIDBIDTwo times a day at institution specified time
1JBJBRegular business days (Monday to Friday excluding holidays)
1JEJERegular weekends (Saturday and Sunday excluding holidays)
1JHGTSAbbreviationHolidaysHolidays
2  _GTSAbbreviationHolidaysChristianRomanGTSAbbreviationHolidaysChristianRomanChristian Holidays (Roman/Gregorian [Western] Tradition.)
3    JHCHREASJHCHREASEaster Sunday. The Easter date is a rather complex calculation based on Astronomical tables describing full moon dates. Details can be found at [http://www.assa.org.au/edm.html, and http://aa.usno.navy.mil/AA/faq/docs/easter.html]. Note that the Christian Orthodox Holidays are based on the Julian calendar.
3    JHCHRGFRJHCHRGFRGood Friday, is the Friday right before Easter Sunday.
3    JHCHRNEWJHCHRNEWNew Year's Day (January 1)
3    JHCHRPENJHCHRPENPentecost Sunday, is seven weeks after Easter (the 50th day of Easter).
3    JHCHRXMEJHCHRXMEChristmas Eve (December 24)
3    JHCHRXMSJHCHRXMSChristmas Day (December 25)
2  JHNNLThe Netherlands National HolidaysDescription:The Netherlands National Holidays.
3    JHNNLLDLiberation day (May 5 every five years)Description:Liberation day (May 5 every five years)
3    JHNNLQDQueen's day (April 30)Description:Queen's day (April 30)
3    JHNNLSKSinterklaas (December 5)Description:Sinterklaas (December 5)
2  JHNUSGTSAbbreviationHolidaysUSNationalUnited States National Holidays (public holidays for federal employees established by U.S. Federal law 5 U.S.C. 6103).
3    JHNUSCLMJHNUSCLMColumbus Day, the second Monday in October.
3    JHNUSINDJHNUSINDIndependence Day (4th of July)
3    JHNUSIND1JHNUSIND1Alternative Monday after 4th of July Weekend [5 U.S.C. 6103(b)].
3    JHNUSIND5JHNUSIND5Alternative Friday before 4th of July Weekend [5 U.S.C. 6103(b)].
3    JHNUSLBRJHNUSLBRLabor Day, the first Monday in September.
3    JHNUSMEMJHNUSMEMMemorial Day, the last Monday in May.
3    JHNUSMEM5JHNUSMEM5Friday before Memorial Day Weekend
3    JHNUSMEM6JHNUSMEM6Saturday of Memorial Day Weekend
3    JHNUSMLKJHNUSMLKDr. Martin Luther King, Jr. Day, the third Monday in January.
3    JHNUSPREJHNUSPREWashington's Birthday (Presidential Day) the third Monday in February.
3    JHNUSTKSJHNUSTKSThanksgiving Day, the fourth Thursday in November.
3    JHNUSTKS5JHNUSTKS5Friday after Thanksgiving.
3    JHNUSVETJHNUSVETVeteran's Day, November 11.
1PMPMEvery afternoon at institution specified times.
1Q4HQ4HEvery 4 hours at institution specified time
1Q6HQ6HEvery 6 hours at institution specified time
1QDQDEvery day at institution specified times.
1QIDQIDFour times a day at institution specified time
1QODQODEvery other day at institution specified times.
1TIDTIDThree times a day at institution specified time

Properties

CodeURLDescriptionType
notSelectablehttp://hl7.org/fhir/concept-properties#notSelectableIndicates that the code is abstract - only intended to be used as a selector for other conceptsBoolean