Both Neuromonics and Widex Zen offered hearing test above 8,000 hz. Another clinic audiologist warned however, that hearing test gets unstable beyond 8,000 hz.
Since my T is at 12,000 hz, Widex tested me for 10-16,000 hz range. Unlike 0-8,000 hz, they don't have pooh, tor, porp, or warble...