diff --git a/nirc_ehr/resources/data/treatment_frequency.tsv b/nirc_ehr/resources/data/treatment_frequency.tsv
index 0a62bed3..bbf36e01 100644
--- a/nirc_ehr/resources/data/treatment_frequency.tsv
+++ b/nirc_ehr/resources/data/treatment_frequency.tsv
@@ -1,4 +1,4 @@
-Meaning	Sort Order	Week of Month	Day of Month	Day of Week	Interval in Days	Short Name	Active?
+Meaning	Sort Order	Week of Month	Day of Month	Day of Week	Interval in Days	Short Name	Active?	Week Days
 Monthly					30		true
 Weekly					7		true
 Alternating Days					2		true
@@ -8,4 +8,5 @@ TID					1		true
 q7 days					7		true
 q14 days					14		true
 BID					1		true
-Every 3 months					90		true
\ No newline at end of file
+Every 3 months					90		true
+M-F (SID)					1		true	2,3,4,5,6
\ No newline at end of file
diff --git a/nirc_ehr/resources/data/treatment_frequency_times.tsv b/nirc_ehr/resources/data/treatment_frequency_times.tsv
index 92a33eb6..61fd3d61 100644
--- a/nirc_ehr/resources/data/treatment_frequency_times.tsv
+++ b/nirc_ehr/resources/data/treatment_frequency_times.tsv
@@ -14,4 +14,5 @@ BID	800	AM
 BID	1600	PM
 q7 days	800	AM
 q14 days	800	AM
-Every 3 months	800	AM
\ No newline at end of file
+Every 3 months	800	AM
+M-F (SID)	800	AM
\ No newline at end of file
diff --git a/nirc_ehr/resources/domain-templates/ehr_lookups.template.xml b/nirc_ehr/resources/domain-templates/ehr_lookups.template.xml
index de1a7da9..36eb0f94 100644
--- a/nirc_ehr/resources/domain-templates/ehr_lookups.template.xml
+++ b/nirc_ehr/resources/domain-templates/ehr_lookups.template.xml
@@ -39,4 +39,14 @@
         </table>
     </template>
 
+    <template xsi:type="EHRLookupsTemplateType">
+        <table tableName="treatment_frequency" tableDbType="TABLE">
+            <dat:columns>
+                <dat:column columnName="weekDays">
+                    <dat:rangeURI>string</dat:rangeURI>
+                </dat:column>
+            </dat:columns>
+        </table>
+    </template>
+
 </templates>
\ No newline at end of file
diff --git a/nirc_ehr/resources/queries/study/observationOrdersByDate.sql b/nirc_ehr/resources/queries/study/observationOrdersByDate.sql
index 4e4dcc5f..54f7017c 100644
--- a/nirc_ehr/resources/queries/study/observationOrdersByDate.sql
+++ b/nirc_ehr/resources/queries/study/observationOrdersByDate.sql
@@ -43,7 +43,9 @@ FROM
         (SELECT * FROM study.observation_order ORDER BY category) t1
         ON (dr.dateOnly >= t1.dateOnly AND (dr.dateOnly <= t1.enddate OR t1.enddate IS NULL) AND
           --technically the first day of the treatment is day 1, not day 0
-        ((mod(CAST(timestampdiff('SQL_TSI_DAY', CAST(t1.dateOnly AS timestamp), dr.dateOnly) AS integer), t1.frequency.intervalindays) = 0 AND t1.frequency.intervalindays IS NOT NULL AND t1.frequency.dayofweek IS NULL)))
+        ((mod(CAST(timestampdiff('SQL_TSI_DAY', CAST(t1.dateOnly AS timestamp), dr.dateOnly) AS integer), t1.frequency.intervalindays) = 0 AND t1.frequency.intervalindays IS NOT NULL AND t1.frequency.dayofweek IS NULL))
+        AND (t1.frequency.weekDays IS NULL OR LOCATE(CAST(dr.DayOfWeek AS VARCHAR), t1.frequency.weekDays) > 0)
+        )
         LEFT JOIN ehr_lookups.treatment_frequency_times ft ON ft.frequency = t1.frequency.meaning
         WHERE t1.date IS NOT NULL
 
diff --git a/nirc_ehr/resources/queries/study/treatmentSchedule.sql b/nirc_ehr/resources/queries/study/treatmentSchedule.sql
index 86825968..ea8384a9 100644
--- a/nirc_ehr/resources/queries/study/treatmentSchedule.sql
+++ b/nirc_ehr/resources/queries/study/treatmentSchedule.sql
@@ -54,7 +54,8 @@ JOIN(
         FROM nirc_ehr.dateRange dr
         JOIN study."Treatment Orders" t1 ON (dr.dateOnly >= t1.dateOnly AND
               --technically the first day of the treatment is day 1, not day 0
-          ((mod(CAST(timestampdiff('SQL_TSI_DAY', CAST(t1.dateOnly AS timestamp), dr.dateOnly) AS integer), t1.frequency.intervalindays) = 0 AND t1.frequency.intervalindays IS NOT NULL AND t1.frequency.dayofweek IS NULL ))
+            ((mod(CAST(timestampdiff('SQL_TSI_DAY', CAST(t1.dateOnly AS timestamp), dr.dateOnly) AS integer), t1.frequency.intervalindays) = 0 AND t1.frequency.intervalindays IS NOT NULL AND t1.frequency.dayofweek IS NULL ))
+            AND (t1.frequency.weekDays IS NULL OR LOCATE(CAST(dr.DayOfWeek AS VARCHAR), t1.frequency.weekDays) > 0)
         )
         LEFT JOIN ehr_lookups.treatment_frequency_times ft ON ft.frequency = t1.frequency.meaning
         --NOTE: if we run this report on a future interval, we want to include those treatments
diff --git a/nirc_ehr/resources/web/nirc_ehr/model/sources/NIRCDefault.js b/nirc_ehr/resources/web/nirc_ehr/model/sources/NIRCDefault.js
index 2f734dc3..e332da94 100644
--- a/nirc_ehr/resources/web/nirc_ehr/model/sources/NIRCDefault.js
+++ b/nirc_ehr/resources/web/nirc_ehr/model/sources/NIRCDefault.js
@@ -174,6 +174,16 @@ EHR.model.DataModelManager.registerMetadata('Default', {
                         autoLoad: true
                     }
                 }
+            },
+            frequency: {
+                columnConfig: {
+                    width: 180
+                },
+                nullable: false,
+                allowBlank: true,
+                lookup: {
+                    filterArray: [LABKEY.Filter.create('active', true, LABKEY.Filter.Types.EQUAL)]
+                },
             }
         },
         'study.drug': {
@@ -218,7 +228,10 @@ EHR.model.DataModelManager.registerMetadata('Default', {
                     width: 180
                 },
                 nullable: false,
-                allowBlank: true
+                allowBlank: true,
+                lookup: {
+                    filterArray: [LABKEY.Filter.create('active', true, LABKEY.Filter.Types.EQUAL)]
+                },
             }
         },
         'study.pairings': {