G8848 — Mild obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of less than 15)
G8848 is a HCPCS Level II code for mild obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of less than 15). It belongs to the Procedures and Professional Services (Temporary) section. It was terminated on December 31, 2016 and is not valid on new claims.
This code has been terminated
CMS terminated G8848 on December 31, 2016. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
The CMS record for G8848
- Long descriptor
- Mild obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of less than 15)
- Short descriptor
- Mild osa
- Added
- January 1, 2012
- Terminated
- December 31, 2016
- BETOS
- M5B
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
When CMS retired it.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to G8848
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G8848 is not quite right, the correct code is very often within a few positions of it.
- G8839Sleep apnea symptoms assessed, including presence or absence of snoring and daytime sleepiness
- G8840Documentation 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)
- 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
- G8846Moderate or severe obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of 15 or greater)
- 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
- G8851Adherence to therapy was assessed at least annually through an objective informatics system or through self-reporting (if objective reporting is not available, documented)
- G8852Positive airway pressure therapy was prescribedterminated
- G8853Positive airway pressure therapy not prescribedterminated
- G8854Documentation of reason(s) for not objectively reporting adherence to evidence-based therapy (e.g., patients who have been diagnosed with a terminal or advanced disease with an expected life span of less than 6 months, patients who decline therapy, patients who do not return for follow-up at least annually, patients unable to access/afford therapy, patient's insurance will not cover therapy)
- G8855Adherence to therapy was not assessed at least annually through an objective informatics system or through self-reporting (if objective reporting is not available), reason not given
- G8856Referral to a physician for an otologic evaluation performed
Questions about G8848
What is HCPCS code G8848?
G8848 is a HCPCS Level II code for mild obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of less than 15). It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G8848?
The CMS HCPCS file marks G8848 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
Is G8848 still valid?
No. G8848 was terminated on December 31, 2016 and should not be used on new claims.