The table below outlines the domains and coding schemes included in each ontology.
| Domain / Coding Scheme | i2b2 Demo Ontology | ACT Ontology | ACT-on-OMOP Ontology |
|---|---|---|---|
| Demographics | |||
Diagnoses | |||
| ICD-9-CM |  | | |
| ICD-10-CM | Out of date | | |
| SNOMED CT | | ||
Medications | Homegrown? | ||
RxNorm | | | |
NDC | | | |
SNOMED CT | | ||
| Procedures | |||
| ICD-9-CM | | | |
| ICD-10-PCS | | | |
| CPT-4 | | | |
| HCPCS | | | |
| SNOMED CT | | ||
| Lab Tests / Vital Signs | Homegrown? | ||
| LOINC | | | |
| SNOMED CT | | ||
