The following Medical Insurance companies cover MBAcC practitioners:

HSA (www.hsa.co.uk),
HSF (www.hsf.eu.com),
Westfield (www.westfieldhealth.com),
WHA (www.whahealthcare.co.uk),
Foresters (www.foresters.co.uk).

Confirm with your insurers that your policy covers your condition and the treatment.