Reference:
https://developer.authorize.net/api/reference/features/errorandresponsecodes.html
I believe statusCode 252 and 253 should register a successful response.
The message from Authorize.net is
Your order has been received. Thank you for your business!
The documentation linked above says:
CODE: 252
EXPLANATION: Your order has been received. Thank you for your business!
OTHER SUGGESTIONS: The transaction was accepted, but is being held for merchant review.
The merchant may customize the customer response in the Merchant Interface.
What do you think?