diff --git a/app/patient/common.ts b/app/patient/common.ts
new file mode 100644
index 0000000..c24268b
--- /dev/null
+++ b/app/patient/common.ts
@@ -0,0 +1,13 @@
+/**
+ * When either of the following conditions is met, the system shall issue a warning notification to the user through an appropriate user interface:
+ * a) The recommended insulin dose exceeds the predefined upper or lower limits.
+ * b) The latest entered glucose reading is outdated according to the defined maximum allowable time interval.
+ *
+ * @itemId:spec-dose-reading-warning
+ * @itemHasParent:MR-97
+ * @itemTitle:"Check warning threshold"
+ *
+ */
+function checkWarningThreshold() {
+  return false;
+}
diff --git a/app/patient/page.test.tsx b/app/patient/page.test.tsx
new file mode 100644
index 0000000..d4dfdba
--- /dev/null
+++ b/app/patient/page.test.tsx
@@ -0,0 +1,10 @@
+/**
+ * @jest-environment jsdom
+ */
+import { render, screen } from "@testing-library/react";
+import Page from "./page";
+
+it("Test warning message @tests:KXITM09D4Q0FGST9BVA61D5HYS9TSP2", () => {
+  render(<Page />);
+  expect(screen.getByRole("heading")).toHaveTextContent("Patient App");
+});
diff --git a/app/patient/page.tsx b/app/patient/page.tsx
new file mode 100644
index 0000000..a69e605
--- /dev/null
+++ b/app/patient/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+    return <h1>Patient App</h1>;
+}
\ No newline at end of file
diff --git a/app/patient/test-warning-message.md b/app/patient/test-warning-message.md
new file mode 100644
index 0000000..932adc6
--- /dev/null
+++ b/app/patient/test-warning-message.md
@@ -0,0 +1,20 @@
+---
+itemId: tc-3
+itemType: Test Case
+itemTests: spec-dose-reading-warning
+---
+
+# Test warning message
+
+When the recommended insulin dose is based on the glucose readings that are outdated, warn the user.
+
+## Steps
+
+1. Open application 
+2. Disconnect glucose monitor (via Bluetooth) and wait 5 min
+3. Add insulin dosage
+4. Click submit 
+
+## Expected behavior
+
+Warning message should appear letting user know that glucose reading is not updated.