G8844 – Apnea hypopnea index (ahi), respiratory disturbance index (rdi), or respiratory event index (rei) not documented or measured within 2 months after initial evaluation for suspected obstructive sleep apnea, reason not given

Long description

Apnea hypopnea index (ahi), respiratory disturbance index (rdi), or respiratory event index (rei) not documented or measured within 2 months after initial evaluation for suspected obstructive sleep apnea, reason not given

Short description

No ahi rdi rei ini dx no rsn

Pricing indicator

00 Not separately priced by Part B (bundled, not covered or Part A only)

Medicare coverage

C Carrier judgment – coverage decided by the Medicare contractor

BETOS category

M5B Specialist - psychiatry

Added

January 1, 2012

Last change

January 1, 2025 – No change

Nearby G codes

• G8833 – Patient not discharged to home by post-operative day #2 following evar
• G8834 – Patient discharged to home no later than post-operative day #2 following cea
• G8838 – Patient not discharged to home by post-operative day #2 following cea
• G8839 – Sleep apnea symptoms assessed, including presence or absence of snoring and daytime sleepiness
• G8840 – Documentation of reason(s) for not documenting an assessment of sleep symptoms (e.g., patient didn't have initial daytime sleepiness, patient visited between initial testing and initiation of therapy)
• G8841 – Sleep apnea symptoms not assessed, reason not given
• G8842 – Apnea hypopnea index (ahi), respiratory disturbance index (rdi) or respiratory event index (rei) documented or measured within 2 months after initial evaluation for suspected obstructive sleep apnea
• G8843 – 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 after 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 previously diagnosed with osa and severity assessed by another provider, 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)
• G8845 – Positive airway pressure therapy prescribed
• G8846 – Moderate or severe obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of 15 or greater)
• G8848 – Mild obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of less than 15)
• G8849 – Documentation of reason(s) for not prescribing positive airway pressure therapy (e.g., patient unable to tolerate, alternative therapies use, patient declined, financial, insurance coverage)
• G8850 – Positive airway pressure therapy not prescribed, reason not given
• G8851 – Adherence to therapy was assessed at least annually through an objective informatics system or through self-reporting (if objective reporting is not available, documented)
• G8852 – Positive airway pressure therapy was prescribed
• G8853 – Positive airway pressure therapy not prescribed