This case-sensitive code system http://openhie.org/fhir/sri-lanka/CodeSystem/cs-medical-history-codes defines the following code:

CodeDisplayDefinition
MH1 Medical historyMedical history for the patient.
 <status value="active"/> <experimental value="false"/> <date value="2023-11-10T04:37:53+00:00"/> <publisher value="Jembi Health Systems"/> <contact> <name value="Jembi Health Systems"/> <telecom> <system value="url"/> <value value="https://www.jembi.org"/> </telecom> <telecom> <system value="email"/> <value value="info@jembi.org"/> </telecom> </contact> <contact> <name value="Richard Langford"/> <telecom> <system value="email"/> <value value="richard.langford@jembi.org"/> <use value="work"/> </telecom> </contact> <description value="CodeSystem for Medical History Data Elements"/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <caseSensitive value="true"/> <content value="complete"/> <count value="1"/> <concept> <code value="MH1"/> <display value="Medical history"/> <definition value="Medical history for the patient."/> </concept> </CodeSystem>