diff --git a/Documentation/CommonDataModel_Wiki_Files/StandardizedClinicalDataTables/PROCEDURE_OCCURRENCE.md b/Documentation/CommonDataModel_Wiki_Files/StandardizedClinicalDataTables/PROCEDURE_OCCURRENCE.md
index 6b0fab0..0a77280 100644
--- a/Documentation/CommonDataModel_Wiki_Files/StandardizedClinicalDataTables/PROCEDURE_OCCURRENCE.md
+++ b/Documentation/CommonDataModel_Wiki_Files/StandardizedClinicalDataTables/PROCEDURE_OCCURRENCE.md
@@ -18,6 +18,7 @@ Field|Required|Type|Description
 |procedure_source_value|No|varchar(50)|The source code for the Procedure as it appears in the source data. This code is mapped to a standard procedure Concept in the Standardized Vocabularies and the original code is, stored here for reference. Procedure source codes are typically ICD-9-Proc, CPT-4, HCPCS or OPCS-4 codes.|
 |procedure_source_concept_id|No|integer|A foreign key to a Procedure Concept that refers to the code used in the source.|
 |qualifier_source_value|No|varchar(50)|The source code for the qualifier as it appears in the source data.|
+|visit_detail_id|No|integer|A foreign key to the visit in the visit table during which the Procedure was carried out.|
 
 ### Conventions 
 
@@ -27,4 +28,4 @@ Field|Required|Type|Description
   * If the quantity value is omitted, a single procedure is assumed.
   * The Procedure Type defines from where the Procedure Occurrence is drawn or inferred. For administrative claims records the type indicates whether a Procedure was primary or secondary and their relative positioning within a claim. 
   * The Visit during which the procedure was performed is recorded through a reference to the VISIT_OCCURRENCE table. This information is not always available.
-  * The Provider carrying out the procedure is recorded through a reference to the PROVIDER table. This information is not always available.
\ No newline at end of file
+  * The Provider carrying out the procedure is recorded through a reference to the PROVIDER table. This information is not always available.