The table below outlines the domains and coding schemes included in each ontology.

Domain / Coding Schemei2b2 Demo OntologyACT OntologyACT-on-OMOP Ontology
Demographics


Diagnoses




ICD-9-CM(tick)(tick)(tick)
ICD-10-CMOut of date(tick)(tick)
SNOMED CT

(tick)

Medications

Homegrown?

RxNorm


(tick)(tick)

NDC


(tick)(tick)

SNOMED CT



(tick)
Procedures


ICD-9-CM(tick)(tick)(tick)
ICD-10-PCS
(tick)(tick)
CPT-4
(tick)(tick)
HCPCS
(tick)(tick)
SNOMED CT

(tick)
Lab Tests / Vital SignsHomegrown?

LOINC
(tick)(tick)
SNOMED CT

(tick)