CANCELLATION/NO SHOW POLICY. No shows and cancellations within 24 hours from the time of service will be charged the full cost of the appointment at the time of the service.. Full Cost: This does not mean your copay amount, it means the amount you pay + your insurance company pays (the full cost of the service). 24 Hours: 24 hours means 24 hours from the time of the service, not same day ....