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15 Cards in this Set

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v2.x
Generic term for HL7 Versions 2.1, 2.2, 2.3, 2.3.1, 2.4, 2.5, etc.
2.XML
HL7 recommended tags for encoding v2.x messages in XML. Raterly used in real workd - typically systems use "pipe-and-hat" format (see also).

Warning: Do not implement a new ancillary system interface that only speaks 2.XML. You will ultimately need support for pipe-and-hat at most institutions.
Accept
That a TCP/IP server does to complete a client connection request.
ACK
Acknowledgement. Often used to "pace" connections between trading partners, see Original Mode and Enhanced Mode Acknowledgements.
ACK, Enhanced Mode
"Applicaiton" ACK. Added in 2.2. Useful response to prior message (e.g., query results, order response , etc.). This is not a communications-level response, but rather a resultant status return.
ACK, Original Mode
"Receive" ACK. Message has been received, but not processed yet. Original mode acknowledgements are what 95% of HL7 users mean when they speak of ACKs. Defined in v2.1, their use has remained in effect mostly to pace connections. Contrast with Enhanced Mode ACK.
ACR/NEMA
American College of Radiologists/National Electrical Manufacturers Association. Responsible for defining the DICOM message standard.
ADT
Admit, Discharge, Transfer. HL7 messages which cary patient demographics information. Defined in Chapter 3 of the HL7 standard. ADT are often sent by the HIS or registration application and broadcast to many other applicaitons in a typical hospital.
Analyte
A single result value. Typically a single OBX segment a lab result (ORU) message.
ANSI
American National Standards Institute. HL7 is an ANSI-certified standard.
ASCII
American Standard Code for Information Interchange. HL7 messages are encoded in ASCII encoding rules. Some systems use UNICODE to exchange messages, bu tht is not "official" valid.
ASTM
American Society for Testing and Materials. Defines ASTM standards used to exchange lab result data between and instrument or analyzer and a LIS.
Attachment
In HIPAA, clinical information complementing insurance claims. Used in 275 messages.
Batch
A collection of records in a single file. HL7 defines a batch file format, but it is rarely used because HL7 messages are typically sent in real time.
Billing
Clinical healthcare billing information systems.