Ordering Labs for a Patient

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Type Standard / Implementation Specification Standards Process Maturity Implementation Maturity Adoption Level Federally required Cost Test Tool Availability
Rating 2
Implementation Specification
Balloted Draft
Rating 1
Limitations, Dependencies, and Preconditions for Consideration Applicable Value Set(s) and Starter Set(s)
  • Secure Communication – create a secure channel for client-to- serve and server-to-server communication.
  • Secure Message Router – securely route and enforce policy on inbound and outbound messages without interruption of delivery.
  • Authentication Enforcer – centralized authentication processes.
  • Authorization Enforcer – specifies access control policies.
  • Credential Tokenizer – encapsulate credentials as a security token for reuse  (e.g.,  – SAML, Kerberos).
  • Assertion Builder – define processing logic for identity, authorization and attribute statements.
  • User Role – identifies the role asserted by the individual initiating the transaction.
  • Purpose of Use - Identifies the purpose for the transaction.


Update to most recent version of LOI

Please update to point to the most recent version:

HL7 Version 2.5.1 Implementation Guide: Laboratory Orders from EHR (LOI) Release 1, STU Release 3 - US Realm
Link to specification = http://www.hl7.org/documentcenter/public/standards/dstu/V251_IG_LABORDERS_R1_STU_R3_2018JUN.pdf
Link to DSTU comment page = https://www.hl7.org/dstucomments/showdetail.cfm?dstuid=227 

Value Set IG:
Link to specification = http://www.hl7.org/documentcenter/public/standards/dstu/V2_IG_VALUESETS_R1_STU3_2018JUN.zip
For comments on the Value set Companion guide, please submit DST comments under the guide that the vocabulary belongs to - if for the document itself, just pick one of the guides and submit there with the reference to the companion guide document and page number/section or applicable spreadsheet

LOI ISA Update.docx