diff --git a/src/test/kotlin/entity/medicaldevice/ImplantableMedicalDeviceTest.kt b/src/test/kotlin/entity/medicaldevice/ImplantableMedicalDeviceTest.kt
new file mode 100644
index 0000000..7834d53
--- /dev/null
+++ b/src/test/kotlin/entity/medicaldevice/ImplantableMedicalDeviceTest.kt
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2023. Smart Operating Block
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package entity.medicaldevice
+
+import io.kotest.assertions.throwables.shouldThrow
+import io.kotest.core.spec.style.StringSpec
+import io.kotest.matchers.shouldBe
+import io.kotest.matchers.shouldNotBe
+
+class ImplantableMedicalDeviceTest : StringSpec({
+    val implantableMedicalDevice = ImplantableMedicalDevice(
+        ImplantableMedicalDeviceID("imd1"),
+        ImplantableMedicalDeviceType.PACEMAKER,
+    )
+    val implantableMedicalDeviceUpdated = ImplantableMedicalDevice(
+        ImplantableMedicalDeviceID("imd1"),
+        ImplantableMedicalDeviceType.CATHETER,
+    )
+    val differentImplantableMedicalDevice = ImplantableMedicalDevice(
+        ImplantableMedicalDeviceID("imd2"),
+        ImplantableMedicalDeviceType.PACEMAKER,
+    )
+
+    "implantable medical device id should not be empty" {
+        shouldThrow<IllegalArgumentException> { ImplantableMedicalDeviceID("") }
+    }
+
+    listOf(
+        differentImplantableMedicalDevice,
+        null,
+        4,
+    ).forEach {
+        "a implantable medical device should not be equal to other devices with different id, other classes or null" {
+            implantableMedicalDevice shouldNotBe it
+        }
+    }
+
+    "two implantable medical devices are equal only based on their id" {
+        implantableMedicalDevice shouldBe implantableMedicalDeviceUpdated
+    }
+
+    "two equal implantable medical devices should have the same hashcode" {
+        implantableMedicalDevice.hashCode() shouldBe implantableMedicalDeviceUpdated.hashCode()
+    }
+
+    "two different implantable medical devices should not have the same hashcode" {
+        implantableMedicalDevice.hashCode() shouldNotBe differentImplantableMedicalDevice.hashCode()
+    }
+})