MedlinePlus Connect for Electronic Health Record (EHR) Systems - Web Service
HealthData.Gov
Updated Oct 29, 2026
About this dataset
A Web service that allows patient portals and electronic health record (EHR) systems to use existing code sets to link to relevant, authoritative health information from MedlinePlus.gov. Matches ICD-9-CM or SNOMED CT codes to related MedlinePlus consumer health information, LOINC codes to information on lab tests, and also matches NDC, RXCUI or text strings to patient medication information.
Data and resources (1)
- HTML
Query Tool
Modified Apr 29, 2026