diff --git a/care/facility/tests/test_icd11_api.py b/care/facility/tests/test_icd11_api.py
index 69bacc7029..f18f2a9c75 100644
--- a/care/facility/tests/test_icd11_api.py
+++ b/care/facility/tests/test_icd11_api.py
@@ -39,6 +39,9 @@ def test_search_with_disease_code(self):
         res = self.search_icd11("ME24.A1")
         self.assertContains(res, "ME24.A1 Haemorrhage of anus and rectum")
 
+        res = self.search_icd11("CA22.Z")
+        self.assertContains(res, "CA22.Z Chronic obstructive pulmonary disease")
+
         res = self.search_icd11("1A00 Cholera")
         self.assertContains(res, "1A00 Cholera")