S8121 – Oxygen contents, liquid, 1 unit equals 1 pound
HCPCS Level II code · S codes: Temporary National Codes (Non-Medicare)
HCPCS codeS8121
- Long description
- Oxygen contents, liquid, 1 unit equals 1 pound
- Short description
- O2 contents liquid lb
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
INot payable by Medicare- BETOS category
Z2Undefined codes- Added
- October 1, 2003
- Last change
- October 1, 2003 – No change
Frequently asked questions
What is HCPCS code S8121?
S8121 is a HCPCS Level II code for oxygen contents, liquid, 1 unit equals 1 pound.
Does Medicare cover S8121?
The HCPCS file lists coverage code I: Not payable by Medicare. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby S codes
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- S8110 – Peak expiratory flow rate (physician services)
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Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.