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Product Brief - HL7 V2 Implementation Guides: LOINCGENVA

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Product Name - V2 IG LOINCGENVA R1

HL7 Version 2 Implementation Guide: Clincial Genomics; Fully LOINC-Qualified Genetic Variation Model, Release 1 (US Realm)


Informative (IG)


  • HL7 V2 IG LOINCGENVA R1 Sept 2009


Supports the transmission of clinical genetic test results using a 2.5.1 lab message (from the lab to the medical record). Structured clinical genetic test results are key for clinical decision support, augmentation of patient data in clinical data warehouses, research studies, clinical trials, etc. For transmission of genetic test results, the HL7 Version 2 Implementation Guide uses models for already established standards for transmission of laboratory test results.

Business Case (Intended Use, Customers)

  • Medical Record,
  • Clinical Laboratories,
  • Clinical Research


The main benefit is for current users of V2, that need an implementation guide based on established lab messaging specifications, for dissemination of genetic variation testing results.

Implementations/ Case Studies (Actual Users)


Ambassador Program by Grant Wood

Work Groups

Relationship to/ Dependencies on, other standards

  • HL7 V2.5.1
  • 2.5.1 Laboratory Result Implementation Guide,
  • RxNORM, and

Links to current projects in development