GVT
General Validation Tool
Hosting platform for user-generated HL7 v2 conformance testing tools.
Health IT validation & certification
Certification and authoring tools built at NIST, operated and supported directly by Prometheus Computing.
Built at NIST · 10 tools in production.
GVT · HL7 v2 VALIDATION
Sample
MSH|^~\&|MYEHR|CLINIC|GVT|NIST|20260701
PID|1||12345^^^MRN||DOE^JANE||20010314|F
ORC|RE||VX9182^EHR|||||||^SMITH^SARAH
RXA|0|1|20260701||08^HEPB-PEDS^CVX|0.5|mL
OBX|1|CE|30956-7^Vaccine type^LN||08^CVX
5 segments · 0 errors · conformant
Z22 profile

The fleet
Certification, authoring, and validation tools, built, maintained, and operated by the team that makes them.
General Validation Tool
Hosting platform for user-generated HL7 v2 conformance testing tools.
Implementation Guide Authoring and Management Tool (Release 2)
Author HL7 v2.x implementation guides and conformance profiles in the browser.
Test Case Authoring and Management Tool
Create HL7 v2.x scenario-based test cases for context-based testing.
HL7 v2 Immunization Test Suite 2
Immunization testing for ONC certification (f)(1) SVAP 2024 — IG Release 1.5 (2018 Update).
Syndromic Surveillance Test Suite 2
Syndromic surveillance certification — 170.315(f)(2) SVAP 2024, HL7 v2.5.1 R1 STU (2019).
The name
Valere: to be strong, to be well. Theus: from Prometheus, who gave humanity its tools.
VALITHEUS: validity and health, from the house of Prometheus.
Prometheus Computing engineered much of the NIST health IT tool suite. Valitheus is how we run and support it in production.
Our story