英文:
Differences in HL7v2 OBX Segments
问题
根据我所做的研究和查看的示例，看起来HL7v2消息的OBX段可以是实验室或生命体征。有没有一种通用的方法来区分它是什么？
我查找了一些信息，但没有找到任何可以区分这两者之间差异的内容。
英文:
From the research that I have done and examples I have looked at, it looks like the OBX segment of an HL7v2 message can be either a lab or a vital. Is there any universal way of distinguishing what it is?
I have looked up some stuff but don't see anything that identifies the difference between the two.
答案1
得分: 1
OBX段可以表示各种事物，不仅仅是严格的实验室结果或生命体征。例如，OBX可以包含一个报告或文档，作为嵌入的base64编码的PDF。
对于正在测量的离散事物，例如生命体征，OBX-3是用于识别正在测量的价值/实体的观察ID。唯一普遍的方法来了解该实体是利用标准编码集，例如LOINC编码。如果生成包含OBX段的HL7消息的系统包括这样的代码，那么您可以根据该代码来解释它是什么类型的结果。
英文:
OBX segments can represent a variety of things, not just strictly a lab result or vital sign. For example, OBXs can contain a report or document as an embedded, base64-encoded PDF.
For cases where something discrete is being measured, like a vital sign, OBX-3 is the observation ID to identify what value/entity is being measured. The only universal way to know what that entity is is to utilize a standard code set, such as LOINC codes. If the system generating the HL7 message with the OBX segment is including such a code, then you could interpret what kind of result it is based off of that.
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