Finds FHIR R4 resource files still pinned to US Core 3.1.1 or 5.0.1, and the USCDI v3 patient elements they miss. 10 rules, offline, no PHI leaves your machine. Runs entirely in your browser — nothing is uploaded.
Same engine as the VS Code extension, byte for byte.
This page is the working piece. The full pack has everything below.
Finds the FHIR R4 resources still pinned to US Core 3.1.1 or 5.0.1, and the USCDI v3 Patient elements they never carried.
A US FHIR consultant averages $49.72/hour (ZipRecruiter, 31 July 2026); reading a resource set by hand takes hours.
Buy the full version — $29It reads the FHIR R4 JSON files in your workspace and applies 10 rules. It flags meta.profile pins on US Core 3.1.1 (USCDI v1) and 5.0.1 (USCDI v2), profiles claimed with no version at all, pre-R4 STU3 and DSTU2 artefacts, retired v2 and v3 terminology URLs, Patient resources missing race, ethnicity or gender identity, and a CapabilityStatement whose fhirVersion is not 4.0.1.
Health IT developers and FHIR integration engineers at US EHR vendors, payers and digital health companies. If your product carries an ONC certification, or you are preparing a Health IT Module for testing, you are the reader. It recognises 23 US Core resource types, so it fits a working repository rather than a single sample file.
The official HL7 validator checks a resource against whichever profile you hand it. Pin us-core-patient 3.1.1 and it will happily tell you the resource is valid, because it is valid against USCDI v1. Nothing in that run says the version you pinned stopped being the certification floor on 2026-01-01.
Free finishes the job on screen: every gap in every resource, on its own line, with the USCDI version that pin meets. On the dirty sample shipped with the extension that is 9 findings, 6 of them errors. The full version exports the same scan as one conformance report file you can attach to a certification or a customer audit.
A US FHIR consultant averages $49.72 an hour and most earn between $24.28 and $62.50, according to ZipRecruiter figures published on 31 July 2026. Opening each resource, reading the profile pin and checking it against the US Core 6.1.0 element list is an afternoon on any real repository. The full version is $29 once.
One question, answered by the person who built it. Your email only if you want the answer sent.