2.2 External Domains

Domains Defined by Reference to External Terminologies
Domain name for External Reference Concept ID Source Terminology Defining expression Definition
CountryCode 10873 ISO 3166-1 ALL Listing of country names with their representation by code elements Listing of codes that represent the current names of countries, dependencies, and other areas of particular geopolitical interest, on the basis of lists of country names obtained from the United Nations.
CountryCodeAlpha2 10874 ISO 3166-1 WHERE part = Part1, alpha-2 Two-alpha section of ISO country codes
CountryCodeAlpha3 10875 ISO 3166-1 WHERE part = Part1, alpha-3 Three-alpha section of ISO country codes
CountryCodeNumeric3 10876 ISO 3166-1 WHERE part = Part1, numeric-3 Numeric-3 section of ISO country codes.
DiagnosisICD9CM 15931 I9C All Set of codes depicting clinical disease and conditions
DocumentSectionType 10871 LN WHERE class = doc.section The type of document section. Possible values: review of systems, medical history, family history, microscopic findings, etc.
DocumentType 10870 LN WHERE class = doc.type The kind of document. Possible values: discharge summary, progress note, Oncology note, etc.
EmploymentStatusUB92 15930 NUBC-UB92 Form Locator 64: Employment Status Code of the Insured A code used to define the employment status of the insured individual identified in UB-92 FL 58. UB-92 Form locator 64:Employment Status Code of the Insured. Can be used with Employee_Employer_status_cd in HL7. Values include Employed Full Time, Employed Part Time, Not Employed, Retired, On Active Military Duty
EncounterDischargeDisposition 15928 NUBC-UB92 Form Locator 22:Patient Status A code indicating patient status as of the ending service date of the period covered on this bill, as reported in FL6, Statement Covers Period. Values such as: Discharged to home or self care; Discharged/transferred to SNF, Discharged/transferred to an intermediate care facility (ICF); Expired; Hospice-medical facility. NUBC Form Locator 22
HumanLanguage 11526 IETF RFC 1766 Entire domain The values of the attribute are language identifiers as defined by IETF RFC 1766: Tags for the Identification of Languages, or its successor on the IETF Standards Track. The biblio ref for RFC 1766 is: IETF (Internet Engineering Task Force), RFC 1766: Tag
IndustryClassificationSystem 16039 NAICS Entire domain North American Industry Classification System(NAICS) for the United States, a new economic classification system that replaces the 1987 Standard Industrial Classification (SIC) for statistical purposes. NAICS is a system for classifying establishments by type of economic activity. Its purposes are: (1) to facilitate the collection, tabulation, presentation, and analysis of data relating to establishments, and (2) to promote uniformity and comparability in the presentation of statistical data describing the economy. NAICS will be used by Federal statistical agencies that collect or publish data by industry. http://www.census.gov/epcd/www/naicsusr.html
LogicalObservationIdentifierNamesAndCodes 16492 LOINC Entire domain The LOINC database provides a set of universal names and ID codes for identifying laboratory and clinical test results. The purpose is to facilitate the exchange and pooling of results, such as blood hemoglobin, serum potassium, or vital signs, for clinical care, outcomes management, and research. The LOINC codes are not intended to transmit all possible information about a test or observation. They are only intended to identify the test result or clinical observation. http://www.regenstrief.org/LOINC/LOINC.htm
MaritalStatusUB92 15929 NUBC-UB92 Form Locator 16:Patient Marital Status The marital status of the patient at date of admission, outpatient service or start of care. Values such as: single married, Life Partner, Legally Separated, Divorced, Widowed, Unknown. Form Locator 16 in the NUBC document. This is to be used only in situations where regulations require the use of NUBC marital status codes.

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