diff --git a/cdisc_rules_engine/enums/standard_types.py b/cdisc_rules_engine/enums/standard_types.py
index fd4b49bd6..4571eb3d5 100644
--- a/cdisc_rules_engine/enums/standard_types.py
+++ b/cdisc_rules_engine/enums/standard_types.py
@@ -10,5 +10,11 @@ class StandardTypes(BaseEnum):
     SENDIG_DART = "sendig-dart"
     SENDIG_GENETOX = "sendig-genetox"
     ADAMIG = "adamig"
+    ADAM_ADAE = "adam-adae"
+    ADAM_MD = "adam-md"
+    ADAM_NCA = "adam-nca"
+    ADAM_OCCDS = "adam-occds"
+    ADAM_TTE = "adam-tte"
+    ADAM_POPPK = "adam-poppk"
     TIG = "tig"
     USDM = "usdm"
diff --git a/tests/unit/test_utilities/test_standard_types_adam.py b/tests/unit/test_utilities/test_standard_types_adam.py
new file mode 100644
index 000000000..bde4dcd6d
--- /dev/null
+++ b/tests/unit/test_utilities/test_standard_types_adam.py
@@ -0,0 +1,12 @@
+from cdisc_rules_engine.constants.adam_products import ADAM_PRODUCTS
+from cdisc_rules_engine.enums.standard_types import StandardTypes
+
+
+def test_standard_types_includes_all_adam_products():
+    """Every ADaM product handled by normalize_standard_input must be a valid
+    CLI standard. If it is not, ``-s <product>`` is rejected by the standards
+    gate in core.py before the engine runs.
+    """
+    supported = set(StandardTypes.values())
+    missing = [p for p in ADAM_PRODUCTS if p not in supported]
+    assert not missing, f"ADAM products absent from StandardTypes: {missing}"