diff --git a/pom.xml b/pom.xml
index 503b66b..b4fe623 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
 	<groupId>org.sitenv.vocabulary</groupId>
 	<artifactId>codevalidator-api</artifactId>
-	<version>1.0.12</version>
+	<version>1.0.13</version>
 	<name>Code Validator API</name>
 	<url>http://www.sitenv.org</url>
 
diff --git a/src/main/java/org/sitenv/vocabularies/validation/repositories/CodeRepository.java b/src/main/java/org/sitenv/vocabularies/validation/repositories/CodeRepository.java
index 87af522..7299cd0 100644
--- a/src/main/java/org/sitenv/vocabularies/validation/repositories/CodeRepository.java
+++ b/src/main/java/org/sitenv/vocabularies/validation/repositories/CodeRepository.java
@@ -7,6 +7,7 @@
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
+import java.util.Set;
 
 /**
  * Created by Brian on 2/7/2016.
@@ -14,25 +15,25 @@
 @Repository
 public interface CodeRepository extends JpaRepository<Code, Integer> {
     @Query("SELECT CASE WHEN COUNT(c) > 0 THEN true ELSE false END FROM Code c WHERE c.codeSystem in (:codesystems)")
-    boolean foundCodesystems(@Param("codesystems")List<String> codesystems);
+    boolean foundCodesystems(@Param("codesystems")Set<String> codesystems);
 
     @Query("SELECT CASE WHEN COUNT(c) > 0 THEN true ELSE false END FROM Code c WHERE c.code = :code and c.displayName = :displayName and c.codeSystem in (:codesystems)")
     boolean foundCodeAndDisplayNameInCodesystem(@Param("code")String code, @Param("displayName")String displayName, @Param("codesystems")List<String> codesystems);
 
     @Query("SELECT CASE WHEN COUNT(c) > 0 THEN true ELSE false END FROM Code c WHERE c.code = :code and c.displayName = :displayName and c.codeSystemOID = :codeSystemOID and c.codeSystem in (:codesystems) and c.active = true")
-    boolean foundActiveCodeAndDisplayNameAndCodeSystemOIDInCodesystem(@Param("code")String code, @Param("displayName")String displayName, @Param("codeSystemOID")String codeSystemOID, @Param("codesystems")List<String> codesystems);
+    boolean foundActiveCodeAndDisplayNameAndCodeSystemOIDInCodesystem(@Param("code")String code, @Param("displayName")String displayName, @Param("codeSystemOID")String codeSystemOID, @Param("codesystems")Set<String> codesystems);
 
     @Query("SELECT CASE WHEN COUNT(c) > 0 THEN true ELSE false END FROM Code c WHERE c.code = :code and c.codeSystem in (:codesystems)")
-    boolean foundCodeInCodesystems(@Param("code")String code, @Param("codesystems")List<String> codesystems);
+    boolean foundCodeInCodesystems(@Param("code")String code, @Param("codesystems")Set<String> codesystems);
 
     @Query("SELECT CASE WHEN COUNT(c) > 0 THEN true ELSE false END FROM Code c WHERE c.displayName = :displayName and c.codeSystem in (:codesystems)")
-    boolean foundDisplayNameInCodesystems(@Param("displayName")String displayName, @Param("codesystems")List<String> codesystems);
+    boolean foundDisplayNameInCodesystems(@Param("displayName")String displayName, @Param("codesystems")Set<String> codesystems);
 
     @Query("SELECT CASE WHEN COUNT(c) > 0 THEN true ELSE false END FROM Code c WHERE c.codeSystemOID = :codeSystemOID and c.codeSystem in (:codesystems)")
-    boolean foundCodeSystemOIDInCodesystems(@Param("codeSystemOID")String codeSystemOID, @Param("codesystems")List<String> codesystems);
+    boolean foundCodeSystemOIDInCodesystems(@Param("codeSystemOID")String codeSystemOID, @Param("codesystems")Set<String> codesystems);
 
     List<Code> findByCodeAndCodeSystemIn(String code, List<String> codesystems);
 
-    @Query("SELECT c.active FROM Code c WHERE c.code = :code and c.codeSystem in (:codesystems)")
-    boolean codeIsActive(@Param("code")String code, @Param("codesystems")List<String> codesystems);
+    @Query("SELECT c.active FROM Code c WHERE c.active = 1 AND c.code = :code and c.codeSystem in (:codesystems)")
+    boolean codeIsActive(@Param("code")String code, @Param("codesystems")Set<String> codesystems);
 }
diff --git a/src/main/java/org/sitenv/vocabularies/validation/services/VocabularyCodeService.java b/src/main/java/org/sitenv/vocabularies/validation/services/VocabularyCodeService.java
index cccdf27..14e96a6 100644
--- a/src/main/java/org/sitenv/vocabularies/validation/services/VocabularyCodeService.java
+++ b/src/main/java/org/sitenv/vocabularies/validation/services/VocabularyCodeService.java
@@ -1,14 +1,15 @@
 package org.sitenv.vocabularies.validation.services;
 
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
 import org.sitenv.vocabularies.validation.entities.Code;
 import org.sitenv.vocabularies.validation.repositories.CodeRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
-
 /**
  * Created by Brian on 2/23/2016.
  */
@@ -34,7 +35,7 @@ public boolean isFoundByCodeAndDisplayNameInCodeSystems(String code, String disp
 
     public boolean isFoundByCodeInCodeSystems(String code, Set<String> codeSystems){
         String cleanedCode = code.trim().toUpperCase();
-        ArrayList<String> cleanedCodeSystems = new ArrayList<>();
+        Set<String> cleanedCodeSystems = new HashSet<>();
         for(String codeSystem : codeSystems){
             cleanedCodeSystems.add(codeSystem.trim().toUpperCase());
         }
diff --git a/src/main/java/org/sitenv/vocabularies/validation/validators/nodetypes/CodeSystemCodeValidator.java b/src/main/java/org/sitenv/vocabularies/validation/validators/nodetypes/CodeSystemCodeValidator.java
index 6afe00c..a7234ed 100644
--- a/src/main/java/org/sitenv/vocabularies/validation/validators/nodetypes/CodeSystemCodeValidator.java
+++ b/src/main/java/org/sitenv/vocabularies/validation/validators/nodetypes/CodeSystemCodeValidator.java
@@ -1,5 +1,16 @@
 package org.sitenv.vocabularies.validation.validators.nodetypes;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+
 import org.apache.log4j.Logger;
 import org.sitenv.vocabularies.configuration.ConfiguredValidationResultSeverityLevel;
 import org.sitenv.vocabularies.configuration.ConfiguredValidator;
@@ -13,14 +24,6 @@
 import org.springframework.stereotype.Component;
 import org.w3c.dom.Node;
 
-import javax.xml.xpath.XPath;
-import javax.xml.xpath.XPathConstants;
-import javax.xml.xpath.XPathExpression;
-import javax.xml.xpath.XPathExpressionException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
 @Component(value = "CodeSystemCodeValidator")
 public class CodeSystemCodeValidator extends NodeValidator {
     private static final Logger logger = Logger.getLogger(CodeSystemCodeValidator.class);
@@ -51,7 +54,7 @@ public List<VocabularyValidationResult> validateNode(ConfiguredValidator configu
             throw new RuntimeException("ERROR getting node values " + e.getMessage());
         }
 
-        List<String> allowedConfiguredCodeSystemNames = new ArrayList<>(Arrays.asList(configuredValidator.getAllowedCodesystemNames().split(",")));
+        Set<String> allowedConfiguredCodeSystemNames = new HashSet<>(Arrays.asList(configuredValidator.getAllowedCodesystemNames().split(",")));
 
         NodeValidationResult nodeValidationResult = new NodeValidationResult();
         nodeValidationResult.setValidatedDocumentXpathExpression(XpathUtils.buildXpathFromNode(node));