{"category":[{"coding":[{"code":"laboratory","display":"Laboratory","system":"http://terminology.hl7.org/CodeSystem/observation-category"}],"text":"Laboratory"}],"code":{"coding":[{"code":"80219-9","display":"Mycoplasma hyopneumoniae Ab sample/Positive control in Serum by Immunoassay","system":"http://loinc.org"},{"code":"Mycoplasma","display":"Mycoplasma","system":"http://acme.org/devices/clinical-codes"}],"text":"Mycoplasma hyopneumoniae - MHP"},"effectiveDateTime":"2017-11-20","encounter":{"display":"part of a health assurance program"},"id":"herd1","interpretation":[{"coding":[{"code":"NEG","display":"Negative","system":"http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation"}],"text":"Negative"}],"referenceRange":[{"text":">0.4 Positive; 0.3 to 0.4 Suspect < 0.3 Negative"}],"resourceType":"Observation","specimen":{"display":"30 serum","reference":"Specimen/pooled-serum"},"status":"final","subject":{"reference":"Group/herd1"},"valueQuantity":{"code":"%","system":"http://unitsofmeasure.org","unit":"% (sample/positive control)","value":0.2}}