HealthAtoms

Health systems of the world

How the world does digital health

Every country runs its own national health stack — but they share one core. Explore each country's program, standards, code systems and regulations, then practise the universal skills behind them. Nothing here is region-locked: every lab is open to every learner.

One universal core, many country overlays

The skills you build here — FHIR, HL7, terminology, clinical NLP, revenue cycle — are the same worldwide; in 2026 FHIR is the convergence standard across these programs. Each country adds an overlay: its own program, profiles, code systems and rules. Learn the core once, then explore any country's specifics.

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India

ABDM
Pack live

Ayushman Bharat Digital Mission · National Health Authority (NHA)

Live · 90 cr+ ABHA IDs

A federated, consent-based national network linking patients (ABHA), providers (HPR) and facilities (HFR). Records are exchanged as FHIR R4 bundles through the consent manager (HIP/HIU) model — the world's largest digital-health ID system.

Standards & profiles

FHIR R4 (ABDM bundles)ABHA health IDHPR / HFR registriesConsent Manager (HIP/HIU)NHCx (claims)

Code systems

ICD-10 (India)SNOMED CT India editionLOINCNDHM drug codes

Key regulations

DPDP Act 2023ABDM Health Data Management Policy
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United States

TEFCA + USCDI
Explore

Trusted Exchange Framework & Common Agreement · ASTP/ONC + CMS

Live · 1B+ records exchanged · USCDI v7 (2026)

QHINs exchange records nationwide under TEFCA; USCDI defines the required data classes; providers and payers expose data via FHIR (US Core) and SMART on FHIR. The world's largest revenue market for health-IT skills — and home to the RCM/claims stack.

Standards & profiles

FHIR R4 (US Core)USCDI v7SMART on FHIRTEFCA / QHINX12 837/835 (claims)C-CDA (legacy)

Code systems

ICD-10-CM / PCSCPT / HCPCSLOINCRxNormSNOMED CT US edition

Key regulations

HIPAA21st Century Cures Act (info-blocking)CMS Interoperability & Prior Auth rules
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Saudi Arabia & Gulf

NPHIES
Explore

National Platform for Health & Insurance Exchange Services · Council of Health Insurance (CHI) · MoH · SDAIA

Live · mandated nationwide

A centralised, FHIR-based gateway for clinical and insurance transactions — eligibility, pre-authorisation and claims — that has become a day-one operating dependency for Saudi providers and payers. Gulf neighbours run parallel models (UAE Malaffi/Riayati, Qatar).

Standards & profiles

FHIR R4 (NPHIES IGs)Eligibility / Pre-auth / ClaimsSeha / Sehhaty national EHR

Code systems

ICD-10-AMSNOMED CTLOINCSBS (Saudi Billing System)

Key regulations

PDPL (Personal Data Protection Law)NPHIES mandatesSFDA
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Australia

My Health Record
Explore

My Health Record + ADHA national standards · Australian Digital Health Agency (ADHA)

Live · sharing-by-default from Jul 2026

Australia's national shared health record, backed by ADHA's National Framework for Digital Health Standards. FHIR (AU Core) drives exchange, and pathology/diagnostic-imaging reports upload by default from July 2026 — a mature, English-language FHIR market.

Standards & profiles

FHIR R4 (AU Core / AU Base)My Health RecordSMART Health CardsProvider Connect Australia

Code systems

SNOMED CT-AUAMT (medicines)LOINCICD-10-AM

Key regulations

Privacy Act 1988My Health Records Act 2012
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European Union

EHDS
Explore

European Health Data Space · European Commission (DG SANTE) + national authorities

In force Mar 2025 · priority data by 2029

An EU regulation governing both primary use (patient access and cross-border exchange via MyHealth@EU) and secondary use (research) of health data, built on FHIR and the European EHR Exchange Format (EEHRxF). A large, harmonising, GDPR-bound bloc.

Standards & profiles

FHIR (EEHRxF)Patient Summary / IPSePrescription / eDispensationMyHealth@EU

Code systems

SNOMED CTLOINCICD-10 / ICD-11ATCEDQM standard terms

Key regulations

GDPREHDS Regulation (2025)EU AI Act

More countries are added as overlays over time — the core skills never change. Suggest a country your team needs.