Delayed claim payout

Once again Discovery Service sucks !! After waiting weeks to get approval I finally got an approval letter last week monday stating that our claim has been partially approved and that the Invoice /Claim must be sent to *** . The claim was sent and up until now the claim was not processed although approved last week already . The consultants cannot help telephonically and can only escalate no feedback up until now , If approved why has the payment not been made as yet the Supplier is awaiting funds so they can deliver the buggy. Firstly discovery is only paying a pathetic portion of the full amount , Secondly I have to pay in a huge co payment . Thirdly if the payment is small why havent you done your part already as agreed and approved !!!!!A little Disabled child is waiting for her buggy so it can help her severely curved spine . refer to reference number ***. Discovery we pay high premiums this is not the service we deserve . We work hard to pay you . It doesnt take a whole week to pay out a claim that was approved a week ago !