diff --git a/app/src/main/java/com/example/refactoredapp/data/model/PatientData.kt b/app/src/main/java/com/example/refactoredapp/data/model/PatientData.kt
index debaf1b..b6add54 100644
--- a/app/src/main/java/com/example/refactoredapp/data/model/PatientData.kt
+++ b/app/src/main/java/com/example/refactoredapp/data/model/PatientData.kt
@@ -4,5 +4,5 @@ data class PatientData(
     val name: String,
     val age: Int,
     val gender: String,
-    var results: String?
+    var results: TestRightResultType
 )
diff --git a/app/src/main/java/com/example/refactoredapp/data/model/TestRightResultType.kt b/app/src/main/java/com/example/refactoredapp/data/model/TestRightResultType.kt
new file mode 100644
index 0000000..79a8ddd
--- /dev/null
+++ b/app/src/main/java/com/example/refactoredapp/data/model/TestRightResultType.kt
@@ -0,0 +1,8 @@
+package com.example.refactoredapp.data.model
+
+enum class TestRightResultType {
+    NORMAL,
+    SICKLECELLTRAIT,
+    SICKLECELLDISEASE,
+    UNDEFINED
+}
\ No newline at end of file