diff --git a/test/src/org/labkey/test/components/targetedms/QCPlotsWebPart.java b/test/src/org/labkey/test/components/targetedms/QCPlotsWebPart.java
index 3660dd5a7..20b4c2434 100644
--- a/test/src/org/labkey/test/components/targetedms/QCPlotsWebPart.java
+++ b/test/src/org/labkey/test/components/targetedms/QCPlotsWebPart.java
@@ -752,7 +752,8 @@ public enum Scale
         LINEAR("Linear"),
         LOG("Log"),
         PERCENT_OF_MEAN("Percent of Mean"),
-        STANDARD_DEVIATIONS("Standard Deviations");
+        STANDARD_DEVIATIONS("Standard Deviations"),
+        DELTA_FROM_MEAN("Delta from Mean");
 
         private final String _text;
 
@@ -773,7 +774,7 @@ public String toString()
         {
             return _text;
         }
-    }
+        }
 
     public enum DateRangeOffset
     {
diff --git a/test/src/org/labkey/test/tests/targetedms/TargetedMSQCTest.java b/test/src/org/labkey/test/tests/targetedms/TargetedMSQCTest.java
index 6960810ee..f9016ad3d 100644
--- a/test/src/org/labkey/test/tests/targetedms/TargetedMSQCTest.java
+++ b/test/src/org/labkey/test/tests/targetedms/TargetedMSQCTest.java
@@ -317,6 +317,8 @@ public void testQCPlotInputs()
         assertTrue(initialSVGText.equals(qcPlotsWebPart.getSVGPlotText("precursorPlot0_plotType_1")));
         qcPlotsWebPart.setScale(QCPlotsWebPart.Scale.STANDARD_DEVIATIONS);
         assertTrue(initialSVGText.equals(qcPlotsWebPart.getSVGPlotText("precursorPlot0_plotType_1")));
+        qcPlotsWebPart.setScale(QCPlotsWebPart.Scale.DELTA_FROM_MEAN);
+        assertTrue(initialSVGText.equals(qcPlotsWebPart.getSVGPlotText("precursorPlot0_plotType_1")));
 
         qcPlotsWebPart.setScale(QCPlotsWebPart.Scale.LINEAR);
 
@@ -927,6 +929,15 @@ public void testYAxisOptionsMovingRangePlot()
         //Expected y axis values are 90 95 100 105 110 115
         log("SVG text " + svgPlotText);
         assertTrue("New plot is not as expected for percent of mean (y-axis) values", svgPlotText.contains("9095100105110115"));
+
+        log("Verifying delta from mean plots");
+        qcPlotsWebPart.setScale(QCPlotsWebPart.Scale.DELTA_FROM_MEAN);
+        svgPlotText = qcPlotsWebPart.getSVGPlotText("precursorPlot0");
+        assertFalse("Plot with delta from mean option is blank", svgPlotText.isEmpty());
+        //Expected y axis values are -3 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5
+        log("SVG text " + svgPlotText);
+        assertTrue("New plot is not as expected for percent of mean (y-axis) values", svgPlotText.contains("-3-2.5-2-1.5-1-0.500.511.522.5"));
+
     }
 
     /*
diff --git a/webapp/TargetedMS/js/QCPlotHelperBase.js b/webapp/TargetedMS/js/QCPlotHelperBase.js
index 53e6dbf16..c4b7c7dc3 100644
--- a/webapp/TargetedMS/js/QCPlotHelperBase.js
+++ b/webapp/TargetedMS/js/QCPlotHelperBase.js
@@ -730,7 +730,9 @@ Ext4.define("LABKEY.targetedms.QCPlotHelperBase", {
             shape: shapeProp,
             combined: true,
             yAxisScale: (showLogInvalid ? 'linear' : (this.yAxisScale !== 'log' ? 'linear' : 'log')),
-            valueConversion: (this.yAxisScale === 'percentDeviation' || this.yAxisScale === 'standardDeviation' ? this.yAxisScale : undefined),
+            valueConversion: (this.yAxisScale === LABKEY.vis.PlotProperties.ValueConversion.PercentDeviation ||
+                                this.yAxisScale === LABKEY.vis.PlotProperties.ValueConversion.StandardDeviation ||
+                                this.yAxisScale === LABKEY.vis.PlotProperties.ValueConversion.DeltaFromMean ? this.yAxisScale : undefined),
             groupBy: 'fragment',
             color: 'fragment',
             defaultGuideSetLabel: 'fragment',
@@ -873,7 +875,9 @@ Ext4.define("LABKEY.targetedms.QCPlotHelperBase", {
             xTick: this.groupedX ? 'groupedXTick' : 'fullDate',
             xTickLabel: 'date',
             yAxisScale: (precursorInfo.showLogInvalid ? 'linear' : (this.yAxisScale !== 'log' ? 'linear' : 'log')),
-            valueConversion: (this.yAxisScale === 'percentDeviation' || this.yAxisScale === 'standardDeviation' ? this.yAxisScale : undefined),
+            valueConversion: (this.yAxisScale === LABKEY.vis.PlotProperties.ValueConversion.PercentDeviation ||
+                                this.yAxisScale === LABKEY.vis.PlotProperties.ValueConversion.StandardDeviation ||
+                                this.yAxisScale === LABKEY.vis.PlotProperties.ValueConversion.DeltaFromMean ? this.yAxisScale : undefined),
             shape: shapeProp,
             combined: false,
             pointSize: 2,
diff --git a/webapp/TargetedMS/js/QCPlotHoverPanel.js b/webapp/TargetedMS/js/QCPlotHoverPanel.js
index 0374de1cc..660f2fc57 100644
--- a/webapp/TargetedMS/js/QCPlotHoverPanel.js
+++ b/webapp/TargetedMS/js/QCPlotHoverPanel.js
@@ -95,6 +95,10 @@ Ext4.define('LABKEY.targetedms.QCPlotHoverPanel', {
                 this.add(this.getPlotPointDetailField('Value', LABKEY.targetedms.PlotSettingsUtil.formatNumeric(this.pointData.rawValue)));
                 this.add(this.getPlotPointDetailField('Std Devs', this.valueName ? this.pointData[this.valueName] : this.pointData['value']))
             }
+            else if (this.pointData.conversion === 'deltaFromMean') {
+                this.add(this.getPlotPointDetailField('Value', LABKEY.targetedms.PlotSettingsUtil.formatNumeric(this.pointData.rawValue)));
+                this.add(this.getPlotPointDetailField('Delta From Mean', LABKEY.targetedms.PlotSettingsUtil.formatNumeric(this.valueName ? this.pointData[this.valueName] : this.pointData['value'])))
+            }
             else {
                 this.add(this.getPlotPointDetailField('Value', LABKEY.targetedms.PlotSettingsUtil.formatNumeric(this.valueName ? this.pointData[this.valueName] : this.pointData['value'])));
             }
diff --git a/webapp/TargetedMS/js/QCTrendPlotPanel.js b/webapp/TargetedMS/js/QCTrendPlotPanel.js
index 2b2756ba1..01d7ad580 100644
--- a/webapp/TargetedMS/js/QCTrendPlotPanel.js
+++ b/webapp/TargetedMS/js/QCTrendPlotPanel.js
@@ -696,7 +696,7 @@ Ext4.define('LABKEY.targetedms.QCTrendPlotPanel', {
     getYAxisOptions: function () {
         return {
             fields: ['value', 'display'],
-            data: [['linear', 'Linear'], ['log', 'Log'], ['percentDeviation', 'Percent of Mean'], ['standardDeviation', 'Standard Deviations']]
+            data: [['linear', 'Linear'], ['log', 'Log'], ['percentDeviation', 'Percent of Mean'], ['standardDeviation', 'Standard Deviations'], ['deltaFromMean', 'Delta from Mean']]
         }
     },