The prophetic word (direct communication from God through the Holy Spirit to your spirit) is one of the best confirmations of a healing because the prophetic word, when regarding any future event(s), must come to pass. In order for the prophetic word to come to pass, there must be a healing in the present (miraculous healing) or future (prolonged healing).
This is true in most cases but not all as a prophetic word can be broken if the recipient goes against God (curses himself) or has doubts about God's timing in the healing. In other words, one more time, there is no carte blanche to be cashed in without obedience - obedience is always the key to the door that opens into blessings.
May The Blood of Jesus cover, bless & protect you!