H&P.PX | Clinical | Version 2.29 | Version 2.66 | Because it is too difficult to maintain and because the distinction between documents and sections is not clear-cut nor necessary in most cases, the DOCUMENT_SECTION field has been deemed to have little value. The field has been set to null in the December 2017 release in preparation for removal in the December 2018 release. These changes were approved by the Clinical LOINC Committee.; Updated Component from "Prenatal events" to "Prenatal records" and Scale from "Nar" to "Doc" based on review with the HL7 Attachments Workgroup. | No implementation guide exists |