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{{#description2:OHC Network Wiki — reference knowledge base for Open Healthcare Network, CARE, and the open healthcare commons.}}<templatestyles src="Main page/styles.css" /><templatestyles src="OHC/styles.css" /><div style="max-width: 1080px; margin: 0 auto;">

|tagline=The open operating system for healthcare

|summary=CARE is the FHIR-native, open-source EMR from Open Healthcare Network. This wiki is the single source of truth for concepts, technical references, deployment guides, and playbooks.

|cta={{OHC button|[[Documentation|Browse documentation]]}}{{OHC button|ghost=1|[[Contributing|Start contributing]]}}{{OHC button|ghost=1|[https://ohc.network ohc.network]}}

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<div class="ohc-statsbar__item"><span class="ohc-statsbar__num">{{#cargo_query:tables=Docs|fields=COUNT(*)=n|where=DocType='concept'|format=plainlist}}</span><span class="ohc-statsbar__label">Concepts</span></div>

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<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Concepts/Patient|Patient]]</div><div class="ohc-quicklink__desc">The longitudinal anchor — every encounter, observation, and order links back here.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Concepts/Encounter|Encounter]]</div><div class="ohc-quicklink__desc">A bounded period of care: OP visit, IP admission, emergency attendance.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Concepts/Observation|Observation]]</div><div class="ohc-quicklink__desc">Vital signs, lab results, clinical assessments — the measurement primitive.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Concepts/Organization|Organization]]</div><div class="ohc-quicklink__desc">The access-control tree: health system → hospital → department → ward.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Flows/Create a patient|Create a patient]]</div><div class="ohc-quicklink__desc">Step-by-step: from search to a saved record ready for an encounter.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Contributing|Contributing guide]]</div><div class="ohc-quicklink__desc">Run Care locally, understand the stack, submit changes upstream.</div></div>

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<!-- Deployment quick-start -->

<div class="ohc-section-label">Deploy & operate</div>

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<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Deployment/Kubernetes/Reference architecture|Kubernetes reference architecture]]</div><div class="ohc-quicklink__desc">Two-node cluster running Care + every supporting service — no cloud dependencies.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Deployment/Kubernetes/Deploying Care onto the cluster|Deploying Care]]</div><div class="ohc-quicklink__desc">Helm charts, values overlays, and the apply order for a fresh cluster.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Deployment/Providers|Cloud providers]]</div><div class="ohc-quicklink__desc">AWS ECS, GCP GKE, DigitalOcean App Platform — pick your target.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Deployment/Security/Data security|Data security]]</div><div class="ohc-quicklink__desc">Encryption at rest, in transit, access controls, and audit logging.</div></div>

</div>

<!-- Technical reference: model field query showcase -->

<div class="ohc-section-label">Technical reference — live model data</div>

Find any field across all 35 Django models via [[Special:CargoTables/ModelField|the ModelField table]]. Example: '''all JSONField columns in Care:'''

{{#cargo_query:tables=ModelField

|fields=Model,Field,Section

|where=FieldType LIKE '%JSONField%'

|order by=Model,Section

|limit=12

|format=table

|default=''Query returned no results.''

<div style="text-align: right; font-size: 0.85em;">[[Special:CargoTables/ModelField|→ Browse all 500 fields]]</div>

<!-- Playbooks -->

<div class="ohc-section-label">Playbooks</div>

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<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Playbooks/HMIS|HMIS playbook]]</div><div class="ohc-quicklink__desc">Outpatient registration, encounter queues, and hospital-desk scenarios.</div></div>

<div class="ohc-quicklink"><div class="ohc-quicklink__title">[[Playbooks/Palliative|Palliative care playbook]]</div><div class="ohc-quicklink__desc">Patient enrollment, home visits, and care grid workflows.</div></div>

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<div class="ohc-section-label">About the foundation</div>

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[[Documentation|All docs]] · [[Special:CargoTables|Cargo tables]] · [[Special:Categories|Categories]] · [[Special:RecentChanges|Recent changes]] · [[Sandbox/Version demo|Version demo]]

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