G8844
HCPCSNo ahi rdi rei ini dx no rsn
Official HCPCS Level II long descriptor
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
HCPCS Level II code G8844 is maintained by CMS and is active in the current quarterly release.
Short descriptor
No ahi rdi rei ini dx no rsn
Added to HCPCS: 2012-01-01
Nearby codes in G8
- G8833Pt not disch home day#2 evar
- G8834Pt disch home day #2 cea
- G8838Not disch home by day #2
- G8839Sleep apnea assess
- G8840Doc reas no sleep apnea
- G8841No sleep apnea assess
- G8842Ahi rdi rei doc win 2mo
- G8843Doc reas no ahi rdi rei
- G8845Pos airway press prescribed
- G8846Mod or severe osa
- G8849Doc reas no pos air press
- G8850No pap prescribed
- G8851Adhere tx assess at lst ann
- G8854Reas no adhere therapy
- G8855Ther not assessed annually
- G8856Ref for oto eval
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.