diff --git a/api/api/utils/check_dead_links/provider_status_mappings.py b/api/api/utils/check_dead_links/provider_status_mappings.py
index 4ac3205569e..bfe4cf1f8d6 100644
--- a/api/api/utils/check_dead_links/provider_status_mappings.py
+++ b/api/api/utils/check_dead_links/provider_status_mappings.py
@@ -6,9 +6,15 @@
 
 @dataclass
 class StatusMapping:
+    # Status codes that don't clearly indicate live/dead
     unknown: tuple[int] = (429, 403)
+
+    # Status codes that indicate a working link
     live: tuple[int] = (200,)
 
+    # Status codes that indicate a dead link (should be filtered out)
+    dead: tuple[int] = (404, 410, 451, 500, 502, 503, 504)
+
 
 provider_status_mappings = defaultdict(
     StatusMapping,
diff --git a/api/test/unit/utils/test_check_dead_links.py b/api/test/unit/utils/test_check_dead_links.py
index 827abe98b2c..a3d2c26fc04 100644
--- a/api/test/unit/utils/test_check_dead_links.py
+++ b/api/test/unit/utils/test_check_dead_links.py
@@ -148,3 +148,8 @@ def test_mset_and_expire_for_responses(is_cache_reachable, cache_name, request):
                 "Redis connect failed, cannot cache link liveness.",
             ]
         )
+
+def test_410_status_is_marked_as_dead():
+    from api.utils.check_dead_links.provider_status_mappings import StatusMapping
+    mapping = StatusMapping()
+    assert 410 in mapping.dead