diff --git a/GitHubComments.ps1 b/GitHubComments.ps1
index 41d9bb66..a432e55f 100644
--- a/GitHubComments.ps1
+++ b/GitHubComments.ps1
@@ -40,10 +40,10 @@ function Get-GitHubComment
     .PARAMETER MediaType
         The format in which the API will return the body of the comment.
 
-        raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
-        text - Return a text only representation of the markdown body. Response will include body_text.
-        html - Return HTML rendered from the body's markdown. Response will include body_html.
-        full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
+        Raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
+        Text - Return a text only representation of the markdown body. Response will include body_text.
+        Html - Return HTML rendered from the body's markdown. Response will include body_html.
+        Full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
 
     .PARAMETER AccessToken
         If provided, this will be used as the AccessToken for authentication with the
@@ -181,7 +181,7 @@ function Get-GitHubComment
         'UriFragment' = $uriFragment
         'Description' = $description
         'AccessToken' = $AccessToken
-        'AcceptHeader' = (Get-CommentAcceptHeader -MediaType $MediaType)
+        'AcceptHeader' = (Get-MediaAcceptHeader -MediaType $MediaType -AcceptHeader $squirrelAcceptHeader)
         'TelemetryEventName' = $MyInvocation.MyCommand.Name
         'TelemetryProperties' = $telemetryProperties
         'NoStatus' = (Resolve-ParameterWithDefaultConfigurationValue -Name NoStatus -ConfigValueName DefaultNoStatus)
@@ -220,10 +220,10 @@ function New-GitHubComment
     .PARAMETER MediaType
         The format in which the API will return the body of the comment.
 
-        raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
-        text - Return a text only representation of the markdown body. Response will include body_text.
-        html - Return HTML rendered from the body's markdown. Response will include body_html.
-        full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
+        Raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
+        Text - Return a text only representation of the markdown body. Response will include body_text.
+        Html - Return HTML rendered from the body's markdown. Response will include body_html.
+        Full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
 
     .PARAMETER AccessToken
         If provided, this will be used as the AccessToken for authentication with the
@@ -292,7 +292,7 @@ function New-GitHubComment
         'Method' = 'Post'
         'Description' =  "Creating comment under issue $Issue for $RepositoryName"
         'AccessToken' = $AccessToken
-        'AcceptHeader' = (Get-CommentAcceptHeader -MediaType $MediaType)
+        'AcceptHeader' = (Get-MediaAcceptHeader -MediaType $MediaType -AcceptHeader $squirrelAcceptHeader)
         'TelemetryEventName' = $MyInvocation.MyCommand.Name
         'TelemetryProperties' = $telemetryProperties
         'NoStatus' = (Resolve-ParameterWithDefaultConfigurationValue -Name NoStatus -ConfigValueName DefaultNoStatus)
@@ -331,10 +331,10 @@ function Set-GitHubComment
     .PARAMETER MediaType
         The format in which the API will return the body of the comment.
 
-        raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
-        text - Return a text only representation of the markdown body. Response will include body_text.
-        html - Return HTML rendered from the body's markdown. Response will include body_html.
-        full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
+        Raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
+        Text - Return a text only representation of the markdown body. Response will include body_text.
+        Html - Return HTML rendered from the body's markdown. Response will include body_html.
+        Full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
 
     .PARAMETER AccessToken
         If provided, this will be used as the AccessToken for authentication with the
@@ -403,7 +403,7 @@ function Set-GitHubComment
         'Method' = 'Patch'
         'Description' =  "Update comment $CommentID for $RepositoryName"
         'AccessToken' = $AccessToken
-        'AcceptHeader' = (Get-CommentAcceptHeader -MediaType $MediaType)
+        'AcceptHeader' = (Get-MediaAcceptHeader -MediaType $MediaType -AcceptHeader $squirrelAcceptHeader)
         'TelemetryEventName' = $MyInvocation.MyCommand.Name
         'TelemetryProperties' = $telemetryProperties
         'NoStatus' = (Resolve-ParameterWithDefaultConfigurationValue -Name NoStatus -ConfigValueName DefaultNoStatus)
@@ -501,36 +501,3 @@ function Remove-GitHubComment
     return Invoke-GHRestMethod @params
 }
 
-function Get-CommentAcceptHeader
-{
-<#
-    .DESCRIPTION
-        Returns a formatted AcceptHeader based on the requested MediaType
-
-        The Git repo for this module can be found here: http://aka.ms/PowerShellForGitHub
-
-    .PARAMETER MediaType
-        The format in which the API will return the body of the comment.
-
-        raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
-        text - Return a text only representation of the markdown body. Response will include body_text.
-        html - Return HTML rendered from the body's markdown. Response will include body_html.
-        full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
-
-    .EXAMPLE
-        Get-CommentAcceptHeader -MediaType Raw
-
-        Returns a formatted AcceptHeader for v3 of the response object
-#>
-    [CmdletBinding()]
-    param(
-        [ValidateSet('Raw', 'Text', 'Html', 'Full')]
-        [string] $MediaType ='Raw'
-    )
-
-    $acceptHeaders = @(
-        'application/vnd.github.squirrel-girl-preview',
-        "application/vnd.github.$mediaTypeVersion.$($MediaType.ToLower())+json")
-
-    return ($acceptHeaders -join ',')
-}
diff --git a/GitHubCore.ps1 b/GitHubCore.ps1
index 8919891d..f1db8048 100644
--- a/GitHubCore.ps1
+++ b/GitHubCore.ps1
@@ -7,6 +7,8 @@
     gitHubApiOrgsUrl = 'https://api.github.com/orgs'
     defaultAcceptHeader = 'application/vnd.github.v3+json'
     mediaTypeVersion = 'v3'
+    squirrelAcceptHeader = 'application/vnd.github.squirrel-girl-preview'
+    symmetraAcceptHeader = 'application/vnd.github.symmetra-preview+json'
 
  }.GetEnumerator() | ForEach-Object {
      Set-Variable -Scope Script -Option ReadOnly -Name $_.Key -Value $_.Value
@@ -922,3 +924,44 @@ filter ConvertTo-SmarterObject
         Write-Output -InputObject $InputObject
     }
 }
+
+function Get-MediaAcceptHeader
+{
+<#
+    .DESCRIPTION
+        Returns a formatted AcceptHeader based on the requested MediaType
+
+        The Git repo for this module can be found here: http://aka.ms/PowerShellForGitHub
+
+    .PARAMETER MediaType
+        The format in which the API will return the body of the comment or issue.
+
+        Raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
+        Text - Return a text only representation of the markdown body. Response will include body_text.
+        Html - Return HTML rendered from the body's markdown. Response will include body_html.
+        Full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
+
+    .PARAMETER AcceptHeader
+        The accept header that should be included with the MediaType accept header.
+
+    .EXAMPLE
+        Get-MediaAcceptHeader -MediaType Raw
+
+        Returns a formatted AcceptHeader for v3 of the response object
+#>
+    [CmdletBinding()]
+    param(
+        [ValidateSet('Raw', 'Text', 'Html', 'Full')]
+        [string] $MediaType = 'Raw',
+
+        [Parameter(Mandatory)]
+        [string] $AcceptHeader
+    )
+
+    $acceptHeaders = @(
+        $AcceptHeader,
+        "application/vnd.github.$mediaTypeVersion.$($MediaType.ToLower())+json")
+
+    return ($acceptHeaders -join ',')
+}
+
diff --git a/GitHubIssues.ps1 b/GitHubIssues.ps1
index dc46e46e..87383f8e 100644
--- a/GitHubIssues.ps1
+++ b/GitHubIssues.ps1
@@ -87,6 +87,14 @@ function Get-GitHubIssue
     .PARAMETER Mentioned
           Only issues that mention this specified user will be returned.
 
+    .PARAMETER MediaType
+        The format in which the API will return the body of the issue.
+
+        Raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
+        Text - Return a text only representation of the markdown body. Response will include body_text.
+        Html - Return HTML rendered from the body's markdown. Response will include body_html.
+        Full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
+
     .PARAMETER AccessToken
         If provided, this will be used as the AccessToken for authentication with the
         REST Api.  Otherwise, will attempt to use the configured value or will run unauthenticated.
@@ -162,6 +170,9 @@ function Get-GitHubIssue
 
         [string] $Mentioned,
 
+        [ValidateSet('Raw', 'Text', 'Html', 'Full')]
+        [string] $MediaType ='Raw',
+
         [string] $AccessToken,
 
         [switch] $NoStatus
@@ -304,7 +315,7 @@ function Get-GitHubIssue
     $params = @{
         'UriFragment' = $uriFragment + '?' +  ($getParams -join '&')
         'Description' =  $description
-        'AcceptHeader' = 'application/vnd.github.symmetra-preview+json'
+        'AcceptHeader' = (Get-MediaAcceptHeader -MediaType $MediaType -AcceptHeader $symmetraAcceptHeader)
         'AccessToken' = $AccessToken
         'TelemetryEventName' = $MyInvocation.MyCommand.Name
         'TelemetryProperties' = $telemetryProperties
@@ -450,6 +461,14 @@ function New-GitHubIssue
     .PARAMETER Label
         Label(s) to associate with this issue.
 
+    .PARAMETER MediaType
+        The format in which the API will return the body of the issue.
+
+        Raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
+        Text - Return a text only representation of the markdown body. Response will include body_text.
+        Html - Return HTML rendered from the body's markdown. Response will include body_html.
+        Full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
+
     .PARAMETER AccessToken
         If provided, this will be used as the AccessToken for authentication with the
         REST Api.  Otherwise, will attempt to use the configured value or will run unauthenticated.
@@ -491,6 +510,9 @@ function New-GitHubIssue
 
         [string[]] $Label,
 
+        [ValidateSet('Raw', 'Text', 'Html', 'Full')]
+        [string] $MediaType ='Raw',
+
         [string] $AccessToken,
 
         [switch] $NoStatus
@@ -521,7 +543,7 @@ function New-GitHubIssue
         'Body' = (ConvertTo-Json -InputObject $hashBody)
         'Method' = 'Post'
         'Description' =  "Creating new Issue ""$Title"" on $RepositoryName"
-        'AcceptHeader' = 'application/vnd.github.symmetra-preview+json'
+        'AcceptHeader' = (Get-MediaAcceptHeader -MediaType $MediaType -AcceptHeader $symmetraAcceptHeader)
         'AccessToken' = $AccessToken
         'TelemetryEventName' = $MyInvocation.MyCommand.Name
         'TelemetryProperties' = $telemetryProperties
@@ -579,6 +601,14 @@ function Update-GitHubIssue
     .PARAMETER State
         Modify the current state of the issue.
 
+    .PARAMETER MediaType
+        The format in which the API will return the body of the issue.
+
+        Raw - Return the raw markdown body. Response will include body. This is the default if you do not pass any specific media type.
+        Text - Return a text only representation of the markdown body. Response will include body_text.
+        Html - Return HTML rendered from the body's markdown. Response will include body_html.
+        Full - Return raw, text and HTML representations. Response will include body, body_text, and body_html.
+
     .PARAMETER AccessToken
         If provided, this will be used as the AccessToken for authentication with the
         REST Api.  Otherwise, will attempt to use the configured value or will run unauthenticated.
@@ -624,6 +654,9 @@ function Update-GitHubIssue
         [ValidateSet('Open', 'Closed')]
         [string] $State,
 
+        [ValidateSet('Raw', 'Text', 'Html', 'Full')]
+        [string] $MediaType ='Raw',
+
         [string] $AccessToken,
 
         [switch] $NoStatus
@@ -661,7 +694,7 @@ function Update-GitHubIssue
         'Body' = (ConvertTo-Json -InputObject $hashBody)
         'Method' = 'Patch'
         'Description' =  "Updating Issue #$Issue on $RepositoryName"
-        'AcceptHeader' = 'application/vnd.github.symmetra-preview+json'
+        'AcceptHeader' = (Get-MediaAcceptHeader -MediaType $MediaType -AcceptHeader $symmetraAcceptHeader)
         'AccessToken' = $AccessToken
         'TelemetryEventName' = $MyInvocation.MyCommand.Name
         'TelemetryProperties' = $telemetryProperties
diff --git a/Tests/GitHubAnalytics.tests.ps1 b/Tests/GitHubAnalytics.tests.ps1
index a00f9ecc..bb6b7c1b 100644
--- a/Tests/GitHubAnalytics.tests.ps1
+++ b/Tests/GitHubAnalytics.tests.ps1
@@ -126,6 +126,15 @@ try
             }
         }
 
+        Context 'When issues are retrieved with a specific MediaTypes' {
+            $newIssue = New-GitHubIssue -OwnerName $script:ownerName -RepositoryName $repo.name -Title ([guid]::NewGuid()) -Body ([guid]::NewGuid())
+
+            $issues = @(Get-GitHubIssue -Uri $repo.svn_url -Issue $newIssue.number -MediaType 'Html')
+            It 'Should return an issue with body_html' {
+                $issues[0].body_html | Should not be $null
+            }
+        }
+
         $null = Remove-GitHubRepository -Uri ($repo.svn_url)
     }
 
diff --git a/Tests/GitHubComments.tests.ps1 b/Tests/GitHubComments.tests.ps1
index 1461bcec..0611a12c 100644
--- a/Tests/GitHubComments.tests.ps1
+++ b/Tests/GitHubComments.tests.ps1
@@ -113,6 +113,14 @@ try
             }
         }
 
+        Context 'For getting comments from an issue with a specific MediaType' {
+            $existingComments = @(Get-GitHubComment -Uri $repo.svn_url -Issue $issue.number -MediaType 'Html')
+
+            It 'Should have the expected body_html on the first comment' {
+                $existingComments[0].body_html | Should not be $null
+            }
+        }
+
         Context 'For editing a comment' {
             $newComment = New-GitHubComment -Uri $repo.svn_url -Issue $issue.number -Body $defaultCommentBody
             $editedComment = Set-GitHubComment -Uri $repo.svn_url -CommentID $newComment.id -Body $defaultEditedCommentBody