diff --git a/packages/kbn-apm-types/src/es_fields/apm.ts b/packages/kbn-apm-types/src/es_fields/apm.ts
index 88c1542f6869d..f00d1eeffe3c8 100644
--- a/packages/kbn-apm-types/src/es_fields/apm.ts
+++ b/packages/kbn-apm-types/src/es_fields/apm.ts
@@ -72,6 +72,8 @@ export const TRANSACTION_OVERFLOW_COUNT = 'transaction.aggregation.overflow_coun
 // for transaction metrics
 export const TRANSACTION_ROOT = 'transaction.root';
 export const TRANSACTION_PROFILER_STACK_TRACE_IDS = 'transaction.profiler_stack_trace_ids';
+export const TRANSACTION_NAME_TEXT = 'transaction.name.text';
+export const TRANSACTION_REPRESENTATIVE_COUNT = 'transaction.representative_count';
 
 export const EVENT_OUTCOME = 'event.outcome';
 
@@ -143,6 +145,7 @@ export const LABEL_GC = 'labels.gc';
 export const LABEL_TYPE = 'labels.type';
 export const LABEL_TELEMETRY_AUTO_VERSION = 'labels.telemetry_auto_version';
 export const LABEL_LIFECYCLE_STATE = 'labels.lifecycle_state';
+export const LABEL_SOME_RESOURCE_ATTRIBUTE = 'labels.some_resource_attribute';
 
 export const HOST = 'host';
 export const HOST_HOSTNAME = 'host.hostname'; // Do not use. Please use `HOST_NAME` instead.
@@ -185,6 +188,8 @@ export const VALUE_OTEL_JVM_PROCESS_MEMORY_NON_HEAP = 'non_heap';
 export const TIER = '_tier';
 export const INDEX = '_index';
 export const DATA_STEAM_TYPE = 'data_stream.type';
+export const DATA_STREAM_NAMESPACE = 'data_stream.namespace';
+export const DATA_STREAM_DATASET = 'data_stream.dataset';
 
 // Mobile
 export const NETWORK_CONNECTION_TYPE = 'network.connection.type';
diff --git a/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction/index.ts b/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction/index.ts
index b807058a4aa43..e5f08762f6d6b 100644
--- a/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction/index.ts
+++ b/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction/index.ts
@@ -6,8 +6,7 @@
  */
 
 import { rangeQuery, termQuery } from '@kbn/observability-plugin/server';
-import type { Transaction } from '@kbn/apm-types/es_schemas_ui';
-import { normalizeFields } from '../../../utils/normalize_fields';
+import { transactionMapping } from '../../../utils/es_fields_mappings';
 import { TRACE_ID, TRANSACTION_ID } from '../../../../common/es_fields/apm';
 import { asMutableArray } from '../../../../common/utils/as_mutable_array';
 import { APMEventClient } from '../../../lib/helpers/create_es_client/create_apm_event_client';
@@ -53,8 +52,5 @@ export async function getTransaction({
     },
   });
 
-  const fields = resp.hits.hits[0]?.fields;
-  const fieldsNorm = normalizeFields(fields) as unknown as Transaction;
-
-  return fieldsNorm;
+  return transactionMapping(resp.hits.hits[0]?.fields);
 }
diff --git a/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction_by_name/index.ts b/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction_by_name/index.ts
index f90cad704c049..2de0b2aae04d2 100644
--- a/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction_by_name/index.ts
+++ b/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction_by_name/index.ts
@@ -6,13 +6,12 @@
  */
 
 import { rangeQuery } from '@kbn/observability-plugin/server';
-import type { Transaction } from '../../../../typings/es_schemas/ui/transaction';
-import { normalizeFields } from '../../../utils/normalize_fields';
 import { ApmDocumentType } from '../../../../common/document_type';
 import { SERVICE_NAME, TRANSACTION_NAME } from '../../../../common/es_fields/apm';
 import { RollupInterval } from '../../../../common/rollup';
 import { asMutableArray } from '../../../../common/utils/as_mutable_array';
 import { APMEventClient } from '../../../lib/helpers/create_es_client/create_apm_event_client';
+import { transactionMapping } from '../../../utils/es_fields_mappings';
 
 export async function getTransactionByName({
   transactionName,
@@ -53,8 +52,5 @@ export async function getTransactionByName({
     },
   });
 
-  const fields = resp.hits.hits[0]?.fields;
-  const fieldsNorm = normalizeFields(fields) as unknown as Transaction;
-
-  return fieldsNorm;
+  return transactionMapping(resp.hits.hits[0]?.fields);
 }
diff --git a/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction_by_trace/index.ts b/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction_by_trace/index.ts
index 68891d3d908e3..b9aca516a5470 100644
--- a/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction_by_trace/index.ts
+++ b/x-pack/plugins/observability_solution/apm/server/routes/transactions/get_transaction_by_trace/index.ts
@@ -7,10 +7,9 @@
 
 import { ProcessorEvent } from '@kbn/observability-plugin/common';
 import { rangeQuery } from '@kbn/observability-plugin/server';
-import type { Transaction } from '@kbn/apm-types/es_schemas_ui';
-import { normalizeFields } from '../../../utils/normalize_fields';
 import { TRACE_ID, PARENT_ID } from '../../../../common/es_fields/apm';
 import { APMEventClient } from '../../../lib/helpers/create_es_client/create_apm_event_client';
+import { transactionMapping } from '../../../utils/es_fields_mappings';
 
 export async function getRootTransactionByTraceId({
   traceId,
@@ -52,8 +51,6 @@ export async function getRootTransactionByTraceId({
   };
 
   const resp = await apmEventClient.search('get_root_transaction_by_trace_id', params);
-  const fields = resp.hits.hits[0]?.fields;
-  const transaction = normalizeFields(fields) as unknown as Transaction;
 
-  return { transaction };
+  return transactionMapping(resp.hits.hits[0]?.fields);
 }
diff --git a/x-pack/plugins/observability_solution/apm/server/utils/es_fields_mappings.ts b/x-pack/plugins/observability_solution/apm/server/utils/es_fields_mappings.ts
index 157212fc01944..0688ab07295d0 100644
--- a/x-pack/plugins/observability_solution/apm/server/utils/es_fields_mappings.ts
+++ b/x-pack/plugins/observability_solution/apm/server/utils/es_fields_mappings.ts
@@ -11,7 +11,13 @@ import {
   AGENT_NAME,
   AGENT_VERSION,
   AT_TIMESTAMP,
+  DATA_STEAM_TYPE,
+  DATA_STREAM_DATASET,
+  DATA_STREAM_NAMESPACE,
   EVENT_OUTCOME,
+  EVENT_SUCCESS_COUNT,
+  LABEL_SOME_RESOURCE_ATTRIBUTE,
+  OBSERVER_HOSTNAME,
   OBSERVER_TYPE,
   OBSERVER_VERSION,
   OBSERVER_VERSION_MAJOR,
@@ -19,7 +25,9 @@ import {
   PROCESOR_NAME,
   PROCESSOR_EVENT,
   SERVICE_ENVIRONMENT,
+  SERVICE_FRAMEWORK_NAME,
   SERVICE_NAME,
+  SERVICE_NODE_NAME,
   SPAN_DESTINATION_SERVICE_RESOURCE,
   SPAN_DURATION,
   SPAN_ID,
@@ -33,6 +41,9 @@ import {
   TRANSACTION_DURATION,
   TRANSACTION_ID,
   TRANSACTION_NAME,
+  TRANSACTION_REPRESENTATIVE_COUNT,
+  TRANSACTION_RESULT,
+  TRANSACTION_SAMPLED,
   TRANSACTION_TYPE,
 } from '@kbn/apm-types/src/es_fields/apm';
 import { EventOutcome } from '../../common/event_outcome';
@@ -193,6 +204,68 @@ export const linkedParentsOfSpanMapping = (fields: Partial<Record<string, unknow
   };
 };
 
+export const transactionMapping = (fields: Partial<Record<string, unknown[]>>) => {
+  return {
+    transaction: {
+      representative_count: normalizeValue<number>(fields[TRANSACTION_REPRESENTATIVE_COUNT]),
+      result: normalizeValue<string>(fields[TRANSACTION_RESULT]),
+      sampled: normalizeValue<boolean>(fields[TRANSACTION_SAMPLED]),
+      id: normalizeValue<string>(fields[TRANSACTION_ID]),
+      duration: {
+        us: normalizeValue<number>(fields[TRANSACTION_DURATION]),
+      },
+      type: normalizeValue<string>(fields[TRANSACTION_TYPE]),
+      name: normalizeValue<string>(fields[TRANSACTION_NAME]),
+    },
+    service: {
+      node: {
+        name: normalizeValue<string>(fields[SERVICE_NODE_NAME]),
+      },
+      language: {
+        name: normalizeValue<string>(fields[SERVICE_NODE_NAME]),
+      },
+      name: normalizeValue<string>(fields[SERVICE_NAME]),
+      framework: {
+        name: normalizeValue<string>(fields[SERVICE_FRAMEWORK_NAME]),
+      },
+    },
+    trace: {
+      id: normalizeValue<string>(fields[TRACE_ID]),
+    },
+    agent: {
+      name: normalizeValue<AgentName>(fields[AGENT_NAME]),
+      version: normalizeValue<string>(fields[AGENT_VERSION]),
+    },
+    event: {
+      success_count: normalizeValue<boolean>(fields[EVENT_SUCCESS_COUNT]),
+      outcome: normalizeValue<EventOutcome>(fields[EVENT_OUTCOME]),
+    },
+    processor: {
+      event: normalizeValue<'transaction'>(fields[PROCESSOR_EVENT]),
+    },
+    data_stream: {
+      namespace: normalizeValue<string>(fields[DATA_STREAM_NAMESPACE]),
+      type: normalizeValue<string>(fields[DATA_STEAM_TYPE]),
+      dataset: normalizeValue<string>(fields[DATA_STREAM_DATASET]),
+    },
+    span: {
+      id: normalizeValue<string>(fields[SPAN_ID]),
+    },
+    observer: {
+      hostname: normalizeValue<string>(fields[OBSERVER_HOSTNAME]),
+      type: normalizeValue<string>(fields[OBSERVER_TYPE]),
+      version: normalizeValue<string>(fields[OBSERVER_VERSION]),
+    },
+    timestamp: {
+      us: normalizeValue<number>(fields[TIMESTAMP]),
+    },
+    '@timestamp': normalizeValue<string>(fields[AT_TIMESTAMP]),
+    labels: {
+      some_resource_attribute: normalizeValue<string>(fields[LABEL_SOME_RESOURCE_ATTRIBUTE]),
+    },
+  };
+};
+
 const normalizeValue = <T>(field: unknown[] | unknown): T => {
   return (Array.isArray(field) && field.length > 0 ? field[0] : field) as T;
 };