A short (one slide) SRS for designing interoperable EHR

1. A SHORT SRS FOR ACHIEVING
EHR INTEROPERABILITY
DR SB BHATTACHARYYA
MBBS, MBA, FCGP
MEMBER, IMA STANDING COMMITTEE ON IT, IMA HQRS
MEMBER, EHR STANDARDS COMMITTEE, MOH&FW, GOI
HONY. STATE SECRETARY (2015), IMA HARYANA
PRESIDENT (2010 – 2011), IAMI

2. ALL EHR SYSTEMS SHALL…
 Comply with all the provisions of EHR Standards of India
 Be able to exchange data using XML or JSON or HL7 2.x message strings
 Either model their data store on ISO 13606/openEHR information model or map
their record fields to CCD or to standard HL7 2.x messages (in decreasing order of
preference)
 Encode all their content using the most appropriate code system for the record
item
 SNOMED CT preferred for everything with suitable mappings to
 LOINC for posting orders to and receiving results from Investigations Information Systems (LIS, RIS, etc.)
 ICD for generating epidemiological reports, etc.
 Not contain any free text in clinically-relevant content
 Numerical data is not considered to be free text