Documentation of reason(s) for not measuring an apnea hypopnea index (ahi) a respiratory disturbance index (rdi) or a respiratory event index (rei) within 2 months of initial evaluation for suspected obstructive sleep apnea (e.g. medical neurological or psychiatric disease that prohibits successful completion of a sleep study patients for whom a sleep study would present a bigger risk than benefit or would pose an undue burden dementia patients who decline ahi/rdi/rei measurement patients who had a financial reason for not completing testing test was ordered but not completed patients decline because their insurance (payer) does not cover the expense))
