HL7 FHIR R4 · US Core Implementation Guide

Master US Core
in a single day.

A focused, hands-on crash course for HL7 FHIR R4 US Core. Read the lessons, explore every profile, run real JSON in the playground, and ask the AI tutor anything along the way.

8 modules ~6 hours Interactive examples Certificate of completion

Your learning path

Eight modules, color-coded by clinical theme.

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Everything you need to learn US Core

Reading specs is slow. Reading specs while you query, validate, and visualize is fast.

Structured curriculum

Eight focused modules from FHIR foundations to SMART on FHIR, with checkpoint quizzes after each.

Every profile, demystified

A searchable index of US Core profiles with Must Support elements, terminology bindings, and worked examples.

Live JSON playground

An editor preloaded with US Core examples and a built-in validator. Toggle on the live sandbox to call a real FHIR server.

Resource visualizer

See how Patient, Encounter, Observation, MedicationRequest and friends reference each other at a glance.

AI tutor

A US Core–aware chatbot that answers questions in the context of your current lesson and generates examples on demand.

Earn a certificate

Pass the capstone exam at the end of the day and download a printable certificate of completion.

Ready to actually understand US Core?

The first lesson takes about ten minutes. By lunch, you'll be reading any US Core profile fluently.

Begin Module 1