diff --git a/x-pack/plugins/apm/public/components/app/ErrorGroupOverview/List/__test__/__snapshots__/List.test.tsx.snap b/x-pack/plugins/apm/public/components/app/ErrorGroupOverview/List/__test__/__snapshots__/List.test.tsx.snap
index 0fbf0a5c7a27d3..3de725dc58ea7f 100644
--- a/x-pack/plugins/apm/public/components/app/ErrorGroupOverview/List/__test__/__snapshots__/List.test.tsx.snap
+++ b/x-pack/plugins/apm/public/components/app/ErrorGroupOverview/List/__test__/__snapshots__/List.test.tsx.snap
@@ -6,7 +6,21 @@ exports[`ErrorGroupOverview -> List should render empty state 1`] = `
     Array [
       Object {
         "field": "groupId",
-        "name": "Group ID",
+        "name": <React.Fragment>
+          Group ID
+           
+          <EuiIconTip
+            color="subdued"
+            content="Hash of the stack trace. Groups similar errors together, even when the error message is different due to dynamic parameters."
+            iconProps={
+              Object {
+                "className": "eui-alignTop",
+              }
+            }
+            size="s"
+            type="questionInCircle"
+          />
+        </React.Fragment>,
         "render": [Function],
         "sortable": false,
         "width": "96px",
@@ -141,9 +155,26 @@ exports[`ErrorGroupOverview -> List should render empty state 1`] = `
               >
                 <span
                   className="euiTableCellContent__text"
-                  title="Group ID"
+                  title="Group ID "
                 >
                   Group ID
+                   
+                  <span
+                    className="euiToolTipAnchor"
+                    onMouseOut={[Function]}
+                    onMouseOver={[Function]}
+                  >
+                    <div
+                      aria-label="Info"
+                      className="eui-alignTop"
+                      color="subdued"
+                      data-euiicon-type="questionInCircle"
+                      onBlur={[Function]}
+                      onFocus={[Function]}
+                      size="s"
+                      tabIndex={0}
+                    />
+                  </span>
                 </span>
               </div>
             </th>
@@ -358,7 +389,21 @@ exports[`ErrorGroupOverview -> List should render with data 1`] = `
     Array [
       Object {
         "field": "groupId",
-        "name": "Group ID",
+        "name": <React.Fragment>
+          Group ID
+           
+          <EuiIconTip
+            color="subdued"
+            content="Hash of the stack trace. Groups similar errors together, even when the error message is different due to dynamic parameters."
+            iconProps={
+              Object {
+                "className": "eui-alignTop",
+              }
+            }
+            size="s"
+            type="questionInCircle"
+          />
+        </React.Fragment>,
         "render": [Function],
         "sortable": false,
         "width": "96px",
@@ -524,9 +569,26 @@ exports[`ErrorGroupOverview -> List should render with data 1`] = `
               >
                 <span
                   className="euiTableCellContent__text"
-                  title="Group ID"
+                  title="Group ID "
                 >
                   Group ID
+                   
+                  <span
+                    className="euiToolTipAnchor"
+                    onMouseOut={[Function]}
+                    onMouseOver={[Function]}
+                  >
+                    <div
+                      aria-label="Info"
+                      className="eui-alignTop"
+                      color="subdued"
+                      data-euiicon-type="questionInCircle"
+                      onBlur={[Function]}
+                      onFocus={[Function]}
+                      size="s"
+                      tabIndex={0}
+                    />
+                  </span>
                 </span>
               </div>
             </th>
@@ -689,6 +751,23 @@ exports[`ErrorGroupOverview -> List should render with data 1`] = `
                 className="euiTableRowCell__mobileHeader euiTableRowCell--hideForDesktop"
               >
                 Group ID
+                 
+                <span
+                  className="euiToolTipAnchor"
+                  onMouseOut={[Function]}
+                  onMouseOver={[Function]}
+                >
+                  <div
+                    aria-label="Info"
+                    className="eui-alignTop"
+                    color="subdued"
+                    data-euiicon-type="questionInCircle"
+                    onBlur={[Function]}
+                    onFocus={[Function]}
+                    size="s"
+                    tabIndex={0}
+                  />
+                </span>
               </div>
               <div
                 className="euiTableCellContent euiTableCellContent--overflowingContent"
@@ -902,6 +981,23 @@ exports[`ErrorGroupOverview -> List should render with data 1`] = `
                 className="euiTableRowCell__mobileHeader euiTableRowCell--hideForDesktop"
               >
                 Group ID
+                 
+                <span
+                  className="euiToolTipAnchor"
+                  onMouseOut={[Function]}
+                  onMouseOver={[Function]}
+                >
+                  <div
+                    aria-label="Info"
+                    className="eui-alignTop"
+                    color="subdued"
+                    data-euiicon-type="questionInCircle"
+                    onBlur={[Function]}
+                    onFocus={[Function]}
+                    size="s"
+                    tabIndex={0}
+                  />
+                </span>
               </div>
               <div
                 className="euiTableCellContent euiTableCellContent--overflowingContent"
@@ -1115,6 +1211,23 @@ exports[`ErrorGroupOverview -> List should render with data 1`] = `
                 className="euiTableRowCell__mobileHeader euiTableRowCell--hideForDesktop"
               >
                 Group ID
+                 
+                <span
+                  className="euiToolTipAnchor"
+                  onMouseOut={[Function]}
+                  onMouseOver={[Function]}
+                >
+                  <div
+                    aria-label="Info"
+                    className="eui-alignTop"
+                    color="subdued"
+                    data-euiicon-type="questionInCircle"
+                    onBlur={[Function]}
+                    onFocus={[Function]}
+                    size="s"
+                    tabIndex={0}
+                  />
+                </span>
               </div>
               <div
                 className="euiTableCellContent euiTableCellContent--overflowingContent"
@@ -1328,6 +1441,23 @@ exports[`ErrorGroupOverview -> List should render with data 1`] = `
                 className="euiTableRowCell__mobileHeader euiTableRowCell--hideForDesktop"
               >
                 Group ID
+                 
+                <span
+                  className="euiToolTipAnchor"
+                  onMouseOut={[Function]}
+                  onMouseOver={[Function]}
+                >
+                  <div
+                    aria-label="Info"
+                    className="eui-alignTop"
+                    color="subdued"
+                    data-euiicon-type="questionInCircle"
+                    onBlur={[Function]}
+                    onFocus={[Function]}
+                    size="s"
+                    tabIndex={0}
+                  />
+                </span>
               </div>
               <div
                 className="euiTableCellContent euiTableCellContent--overflowingContent"
diff --git a/x-pack/plugins/apm/public/components/app/ErrorGroupOverview/List/index.tsx b/x-pack/plugins/apm/public/components/app/ErrorGroupOverview/List/index.tsx
index 695d3463d3b3da..56c80690eb2a24 100644
--- a/x-pack/plugins/apm/public/components/app/ErrorGroupOverview/List/index.tsx
+++ b/x-pack/plugins/apm/public/components/app/ErrorGroupOverview/List/index.tsx
@@ -9,6 +9,7 @@ import numeral from '@elastic/numeral';
 import { i18n } from '@kbn/i18n';
 import React, { useMemo } from 'react';
 import styled from 'styled-components';
+import { EuiIconTip } from '@elastic/eui';
 import { NOT_AVAILABLE_LABEL } from '../../../../../common/i18n';
 // eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { ErrorGroupListAPIResponse } from '../../../../../server/lib/errors/get_error_groups';
@@ -60,13 +61,31 @@ const ErrorGroupList: React.FC<Props> = props => {
   if (!serviceName) {
     throw new Error('Service name is required');
   }
-
   const columns = useMemo(
     () => [
       {
-        name: i18n.translate('xpack.apm.errorsTable.groupIdColumnLabel', {
-          defaultMessage: 'Group ID'
-        }),
+        name: (
+          <>
+            {i18n.translate('xpack.apm.errorsTable.groupIdColumnLabel', {
+              defaultMessage: 'Group ID'
+            })}{' '}
+            <EuiIconTip
+              size="s"
+              type="questionInCircle"
+              color="subdued"
+              iconProps={{
+                className: 'eui-alignTop'
+              }}
+              content={i18n.translate(
+                'xpack.apm.errorsTable.groupIdColumnDescription',
+                {
+                  defaultMessage:
+                    'Hash of the stack trace. Groups similar errors together, even when the error message is different due to dynamic parameters.'
+                }
+              )}
+            />
+          </>
+        ),
         field: 'groupId',
         sortable: false,
         width: px(unit * 6),
diff --git a/x-pack/plugins/apm/public/components/app/TransactionOverview/List/index.tsx b/x-pack/plugins/apm/public/components/app/TransactionOverview/List/index.tsx
index e3b33f11d0805f..f8dcec14630a53 100644
--- a/x-pack/plugins/apm/public/components/app/TransactionOverview/List/index.tsx
+++ b/x-pack/plugins/apm/public/components/app/TransactionOverview/List/index.tsx
@@ -4,7 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { EuiIcon, EuiToolTip } from '@elastic/eui';
+import { EuiToolTip, EuiIconTip } from '@elastic/eui';
 import { i18n } from '@kbn/i18n';
 import React, { useMemo } from 'react';
 import styled from 'styled-components';
@@ -109,27 +109,26 @@ export function TransactionList({ items, isLoading }: Props) {
       {
         field: 'impact',
         name: (
-          <EuiToolTip
-            content={i18n.translate(
-              'xpack.apm.transactionsTable.impactColumnDescription',
-              {
-                defaultMessage:
-                  "The most used and slowest endpoints in your service. It's calculated by taking the relative average duration times the number of transactions per minute."
-              }
-            )}
-          >
-            <>
-              {i18n.translate('xpack.apm.transactionsTable.impactColumnLabel', {
-                defaultMessage: 'Impact'
-              })}{' '}
-              <EuiIcon
-                size="s"
-                color="subdued"
-                type="questionInCircle"
-                className="eui-alignTop"
-              />
-            </>
-          </EuiToolTip>
+          <>
+            {i18n.translate('xpack.apm.transactionsTable.impactColumnLabel', {
+              defaultMessage: 'Impact'
+            })}{' '}
+            <EuiIconTip
+              size="s"
+              type="questionInCircle"
+              color="subdued"
+              iconProps={{
+                className: 'eui-alignTop'
+              }}
+              content={i18n.translate(
+                'xpack.apm.transactionsTable.impactColumnDescription',
+                {
+                  defaultMessage:
+                    "The most used and slowest endpoints in your service. It's calculated by taking the relative average duration times the number of transactions per minute."
+                }
+              )}
+            />
+          </>
         ),
         sortable: true,
         dataType: 'number',
diff --git a/x-pack/plugins/translations/translations/ja-JP.json b/x-pack/plugins/translations/translations/ja-JP.json
index b19837c59ab97c..6b914990811f45 100644
--- a/x-pack/plugins/translations/translations/ja-JP.json
+++ b/x-pack/plugins/translations/translations/ja-JP.json
@@ -4212,6 +4212,7 @@
     "xpack.apm.errorRateAlertTrigger.isAbove": "の下限は",
     "xpack.apm.errorsTable.errorMessageAndCulpritColumnLabel": "エラーメッセージと原因",
     "xpack.apm.errorsTable.groupIdColumnLabel": "グループ ID",
+    "xpack.apm.errorsTable.groupIdColumnDescription": "スタックトレースのハッシュ。動的パラメーターによりエラーメッセージが異なる場合でも、同様のエラーをグループ化します。",
     "xpack.apm.errorsTable.latestOccurrenceColumnLabel": "最近のオカレンス",
     "xpack.apm.errorsTable.noErrorsLabel": "エラーが見つかりませんでした",
     "xpack.apm.errorsTable.occurrencesColumnLabel": "オカレンス",
diff --git a/x-pack/plugins/translations/translations/zh-CN.json b/x-pack/plugins/translations/translations/zh-CN.json
index 850f2fb207f401..849a5f1aa23d32 100644
--- a/x-pack/plugins/translations/translations/zh-CN.json
+++ b/x-pack/plugins/translations/translations/zh-CN.json
@@ -4212,6 +4212,7 @@
     "xpack.apm.errorRateAlertTrigger.errors": "错误",
     "xpack.apm.errorRateAlertTrigger.isAbove": "高于",
     "xpack.apm.errorsTable.errorMessageAndCulpritColumnLabel": "错误消息和原因",
+    "xpack.apm.errorsTable.groupIdColumnDescription": "堆栈跟踪的哈希值。即使由于动态参数而导致错误消息不同，也将相似的错误归为一组。",
     "xpack.apm.errorsTable.groupIdColumnLabel": "组 ID",
     "xpack.apm.errorsTable.latestOccurrenceColumnLabel": "最新一次发生",
     "xpack.apm.errorsTable.noErrorsLabel": "未找到任何错误",