#3 - Get IPMS-->CIEL CD4 count Mappings GET https://api.openconceptlab.org/orgs/B-TECHBW/sources/IPMS-LAB-TEST/mappings/?toConceptSource=CIEL&fromConcept={{IPMS_LAB_TEST_CODE}} Request Params KeyDatatypeRequiredDescriptiontoConceptSourcestringfromConceptstring