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
The HCPCS code for 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 is G8842.