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This specification covers all paper and automated systems related to the identification of the lexicons to be used for the data elements intended to unify the representations for: (1) primary record of care data elements; (2) the data elements identified in other standard statistical data sets; (3) data elements used in other healthcare data message exchange format standards, or (4) in data gathering forms for this purpose; and (5) in data derived from these elements in order that data recorded in the course of patient care be exchangeable and be the source of accurate statistical and resource management data.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
4.1 Purpose—The approval of Guide E1384, concerned with the structure and content of the computer-based patient record, now includes a formal indexing of data elements and a cataloging of the minimal essential value set for these elements. Indexing of these data elements with a unique identifier keyed to its position in the logical structure of Appendix X1 of Guide E1384 now provides a means of cataloging the value sets representing each data element (see Guide E1384). Specification E1238, coordinated with Guide E1239, describes conventions for representing many of the data values for data elements that are included in the more comprehensive listing in Guide E1384. A comprehensive listing of all of the value sets associated with Guide E1384 has not yet been assembled. This specification begins to catalog the representation conventions for a number of these elements and in particular to list the coded values. It is important that this catalog consider the traditionally assigned representations for each of these elements, and it must resolve differences in a manner that introduces systematics and consistency into the representation. The catalog must establish both a global framework consistent with international standardization and with long-term growth, while at the same time maximizing familiar or traditional representations. This standard has been developed with input from many organizations, including government agencies and other standards bodies and professional associations, and as a result of the effort to achieve consistency and comprehensiveness among the data dealt with by various standards efforts.
4.2 General Values—Early in the coordination of healthcare information standards an informal body, the Healthcare Information Standards Coordinating Committee (HISCC), identified certain common data element types and agreed upon conventions for representing these data element types in a standard manner. This set the stage for the development of the value sets for the CODED VALUE data type. The status of the standard noncoded data types, and their representations, agreed upon by the HISCC are:
4.2.5 Numbers—Numbers are represented either as integers or fixed point numbers; exponential notation not presently accepted in Specification E1238, Guide E1239, or HL-7. Units of Measure by ISO 2955-1983 or ANS X3.50-86.
4.2.6 Strings—7-bit ASCII characters; multilingual character sets not yet defined.6
1.1 This specification covers the identification of the lexicons to be used for the data elements identified in Appendix X1 of Guide E1384. It is intended to unify the representations for: (1) primary record of care data elements, (2) the data elements identified in other standard statistical data sets, (3) data elements used in other healthcare data message exchange format standards, or (4) in data gathering forms for this purpose, and (5) in data derived from these elements in order that data recorded in the course of patient care be exchangeable and be the source of accurate statistical and resource management data. This specification is applicable to all paper and automated systems.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ISO StandardsISO2955 Representation of SI Units ISO3166 Names of Countries ISO5218 Representation of Human Sexes ISO639 Names of Languages ISO8601 Representation Dates
E1238 Specification for Transferring Clinical Observations Between Independent Computer Systems
E1239 Practice for Description of Reservation/Registration-Admission, Discharge, Transfer (R-ADT) Systems for Electronic Health Record (EHR) Systems
E1384 Practice for Content and Structure of the Electronic Health Record (EHR)
E1715 Practice for An Object-Oriented Model for Registration, Admitting, Discharge, and Transfer (RADT) Functions in Computer-Based Patient Record Systems
E1744 Practice for View of Emergency Medical Care in the Electronic Health Record
ANSI StandardsANSX3.50 Representation of Date and Time ANSX3.51 Representation of Common Units
Other StandardsHL-7 Health Industry Level 7 Interface Standards Available from Health Level 7, Mark McDougall, Executive Director, 900 Victors Way, Suite 122, Ann Arbor, MI 48108.
ICS Number Code 11.020 (Medical sciences and health care facilities in general); 35.240.30 (IT applications in information, documentation and publishing)
UNSPSC Code 81111700(Management information systems MIS)