diff --git a/homeassistant/components/telegram_bot/bot.py b/homeassistant/components/telegram_bot/bot.py
index a3feb120460..c57648c9551 100644
--- a/homeassistant/components/telegram_bot/bot.py
+++ b/homeassistant/components/telegram_bot/bot.py
@@ -374,9 +374,7 @@ class TelegramNotificationService:
         }
         if data is not None:
             if ATTR_PARSER in data:
-                params[ATTR_PARSER] = self._parsers.get(
-                    data[ATTR_PARSER], self.parse_mode
-                )
+                params[ATTR_PARSER] = data[ATTR_PARSER]
             if ATTR_TIMEOUT in data:
                 params[ATTR_TIMEOUT] = data[ATTR_TIMEOUT]
             if ATTR_DISABLE_NOTIF in data:
@@ -408,6 +406,8 @@ class TelegramNotificationService:
                 params[ATTR_REPLYMARKUP] = InlineKeyboardMarkup(
                     [_make_row_inline_keyboard(row) for row in keys]
                 )
+        if params[ATTR_PARSER] == PARSER_PLAIN_TEXT:
+            params[ATTR_PARSER] = None
         return params
 
     async def _send_msg(
diff --git a/homeassistant/components/telegram_bot/config_flow.py b/homeassistant/components/telegram_bot/config_flow.py
index 41f26ccd48d..8d3d9b0cd7b 100644
--- a/homeassistant/components/telegram_bot/config_flow.py
+++ b/homeassistant/components/telegram_bot/config_flow.py
@@ -159,8 +159,6 @@ class OptionsFlowHandler(OptionsFlow):
         """Manage the options."""
 
         if user_input is not None:
-            if user_input[ATTR_PARSER] == PARSER_PLAIN_TEXT:
-                user_input[ATTR_PARSER] = None
             return self.async_create_entry(data=user_input)
 
         return self.async_show_form(
diff --git a/homeassistant/components/telegram_bot/services.yaml b/homeassistant/components/telegram_bot/services.yaml
index d5fc0e134d5..b1d94d381ac 100644
--- a/homeassistant/components/telegram_bot/services.yaml
+++ b/homeassistant/components/telegram_bot/services.yaml
@@ -109,6 +109,7 @@ send_photo:
             - "markdown"
             - "markdownv2"
             - "plain_text"
+          translation_key: "parse_mode"
     disable_notification:
       selector:
         boolean:
@@ -261,6 +262,7 @@ send_animation:
             - "markdown"
             - "markdownv2"
             - "plain_text"
+          translation_key: "parse_mode"
     disable_notification:
       selector:
         boolean:
@@ -341,6 +343,7 @@ send_video:
             - "markdown"
             - "markdownv2"
             - "plain_text"
+          translation_key: "parse_mode"
     disable_notification:
       selector:
         boolean:
@@ -493,6 +496,7 @@ send_document:
             - "markdown"
             - "markdownv2"
             - "plain_text"
+          translation_key: "parse_mode"
     disable_notification:
       selector:
         boolean:
@@ -670,6 +674,7 @@ edit_message:
             - "markdown"
             - "markdownv2"
             - "plain_text"
+          translation_key: "parse_mode"
     disable_web_page_preview:
       selector:
         boolean:
diff --git a/tests/components/telegram_bot/test_config_flow.py b/tests/components/telegram_bot/test_config_flow.py
index 2586761b584..9a076016a32 100644
--- a/tests/components/telegram_bot/test_config_flow.py
+++ b/tests/components/telegram_bot/test_config_flow.py
@@ -63,7 +63,7 @@ async def test_options_flow(
     await hass.async_block_till_done()
 
     assert result["type"] == FlowResultType.CREATE_ENTRY
-    assert result["data"][ATTR_PARSER] is None
+    assert result["data"][ATTR_PARSER] == PARSER_PLAIN_TEXT
 
 
 async def test_reconfigure_flow_broadcast(
diff --git a/tests/components/telegram_bot/test_telegram_bot.py b/tests/components/telegram_bot/test_telegram_bot.py
index 6590bbed1cf..73dd9e27763 100644
--- a/tests/components/telegram_bot/test_telegram_bot.py
+++ b/tests/components/telegram_bot/test_telegram_bot.py
@@ -50,6 +50,7 @@ from homeassistant.components.telegram_bot.const import (
     ATTR_VERIFY_SSL,
     CONF_CONFIG_ENTRY_ID,
     DOMAIN,
+    PARSER_PLAIN_TEXT,
     PLATFORM_BROADCAST,
     SECTION_ADVANCED_SETTINGS,
     SERVICE_ANSWER_CALLBACK_QUERY,
@@ -183,6 +184,7 @@ async def test_send_message(
         (
             {
                 ATTR_MESSAGE: "test_message",
+                ATTR_PARSER: PARSER_PLAIN_TEXT,
                 ATTR_KEYBOARD_INLINE: "command1:/cmd1,/cmd2,mock_link:https://mock_link",
             },
             InlineKeyboardMarkup(
@@ -199,6 +201,7 @@ async def test_send_message(
         (
             {
                 ATTR_MESSAGE: "test_message",
+                ATTR_PARSER: PARSER_PLAIN_TEXT,
                 ATTR_KEYBOARD_INLINE: [
                     [["command1", "/cmd1"]],
                     [["mock_link", "https://mock_link"]],
@@ -250,7 +253,7 @@ async def test_send_message_with_inline_keyboard(
         mock_send_message.assert_called_once_with(
             12345678,
             "test_message",
-            parse_mode=ParseMode.MARKDOWN,
+            parse_mode=None,
             disable_web_page_preview=None,
             disable_notification=False,
             reply_to_message_id=None,