G0400
HCPCSHome sleep test/type 4 porta
Official HCPCS Level II long descriptor
Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels
HCPCS Level II code G0400 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Home sleep test/type 4 porta
Added to HCPCS: 2008-03-13
Nearby codes in G0
- G0382Lev 3 hosp type b ed visit
- G0383Lev 4 hosp type b ed visit
- G0384Lev 5 hosp type b ed visit
- G0390Trauma respons w/hosp criti
- G0396Alcohol/subs interv 15-30mn
- G0397Alcohol/subs interv >30 min
- G0398Home sleep test/type 2 porta
- G0399Home sleep test/type 3 porta
- G0402Initial preventive exam
- G0403Ekg for initial prevent exam
- G0404Ekg tracing for initial prev
- G0405Ekg interpret & report preve
- G0406Inpt/tele follow up 15
- G0407Inpt/tele follow up 25
- G0408Inpt/tele follow up 35
- G0409Corf related serv 15 mins ea
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.