diff --git a/api/src/opentrons/hardware_control/modules/absorbance_reader.py b/api/src/opentrons/hardware_control/modules/absorbance_reader.py
index ae53bee8411..e68b535c4bc 100644
--- a/api/src/opentrons/hardware_control/modules/absorbance_reader.py
+++ b/api/src/opentrons/hardware_control/modules/absorbance_reader.py
@@ -325,7 +325,7 @@ async def get_current_lid_status(self) -> AbsorbanceReaderLidStatus:
         """Get the Absorbance Reader's current lid status."""
         await self._reader.get_lid_status()
         return self._reader.lid_status
-    
+
     def _enter_error_state(self, error: Exception) -> None:
         self._error = str(error)
         if isinstance(error, AbsorbanceReaderDisconnectedError):
diff --git a/api/src/opentrons/protocol_api/core/engine/module_core.py b/api/src/opentrons/protocol_api/core/engine/module_core.py
index 45f7afda583..2c390949637 100644
--- a/api/src/opentrons/protocol_api/core/engine/module_core.py
+++ b/api/src/opentrons/protocol_api/core/engine/module_core.py
@@ -563,3 +563,10 @@ def open_lid(self) -> None:
                 moduleId=self.module_id,
             )
         )
+
+    def is_lid_on(self) -> bool:
+        """Returns True if the Absorbance Reader's lid is currently on the Reader slot."""
+        abs_state = self._engine_client.state.modules.get_absorbance_reader_substate(
+            self.module_id
+        )
+        return abs_state.is_lid_on