HCPCS code G8846
Moderate or severe obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of 15 or greater)
What G8846 means
G8846 (Mod or severe osa) belongs to the HCPCS Level II G series (Procedures / Professional Services (Temporary)). Its Medicare coverage status is Carrier judgment. Medicare coverage is left to the judgment of the local Medicare Administrative Contractor (MAC), so check your MAC's local coverage determinations.
Part B pricing: Service not separately priced by Part B (e.g., services not covered, bundled, used by part a only, etc.).
Code details
- Short description
- Mod or severe osa
- Coverage code
- C = Carrier judgment
- Pricing indicator
- 00 = Service not separately priced by Part B (e.g., services not covered, bundled, used by part a only, etc.)
- Multiple pricing indicator
- 9 = Not applicable as HCPCS not priced separately by part B (pricing indicator is 00) or value is not established(pricing indicator is '99')
- Type of service
- 1 = Medical care
- Action code
- N = No maintenance for this code
- Action effective date
- January 01, 2012
- Code added date
- January 01, 2012
- Data year
- 2026
Questions about G8846
What is HCPCS code G8846?
HCPCS code G8846 is a Level II code in the G series (Procedures / Professional Services (Temporary)). Its full description is: "Moderate or severe obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of 15 or greater)"
Is G8846 a CPT code?
No. G8846 is a HCPCS Level II code maintained by CMS, not a CPT (Level I) code from the American Medical Association. People often search for it as a CPT code because both code sets are reported on the same claims.
Does Medicare cover HCPCS code G8846?
The Medicare coverage code for G8846 is "Carrier judgment". Medicare coverage is left to the judgment of the local Medicare Administrative Contractor (MAC), so check your MAC's local coverage determinations.
When was HCPCS code G8846 added?
G8846 was added to the HCPCS code set on January 01, 2012. The most recent action on it (No maintenance for this code) took effect on January 01, 2012.
Nearby G codes
All G codes- G8841Sleep apnea symptoms not assessed, reason not given
- G8842Apnea 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
- G8843Documentation 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)
- G8844Apnea 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
- G8845Positive airway pressure therapy prescribed
- G8848Mild obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of less than 15)
- G8849Documentation of reason(s) for not prescribing positive airway pressure therapy (e.g., patient unable to tolerate, alternative therapies use, patient declined, financial, insurance coverage)
- G8850Positive airway pressure therapy not prescribed, reason not given
- G8852Positive airway pressure therapy was prescribed
- G8853Positive airway pressure therapy not prescribed