diff --git a/bahmni-emr-api/src/main/java/org/openmrs/module/bahmniemrapi/laborder/mapper/LabOrderResultMapper.java b/bahmni-emr-api/src/main/java/org/openmrs/module/bahmniemrapi/laborder/mapper/LabOrderResultMapper.java
index 44526a9f3..98683a29f 100644
--- a/bahmni-emr-api/src/main/java/org/openmrs/module/bahmniemrapi/laborder/mapper/LabOrderResultMapper.java
+++ b/bahmni-emr-api/src/main/java/org/openmrs/module/bahmniemrapi/laborder/mapper/LabOrderResultMapper.java
@@ -105,7 +105,7 @@ private void checkResultRangesForAbsolutes(Obs obs, String accessionUuid) {
             return;
         }
         if (obs.getValueNumeric() != null) {
-            ConceptNumeric cn = (ConceptNumeric) obs.getConcept();
+            ConceptNumeric cn = conceptService.getConceptNumeric(obs.getConcept().getId());
             if (cn.getHiAbsolute() != null && cn.getHiAbsolute() < obs.getValueNumeric()) {
                 log.error(String.format("Test results for [%s] is beyond the absolute high range, in Accession [%s]", cn.getName(), accessionUuid));
             }