HCPCS code C9791 — Mri hyperpolarized xenon129.
Status: Active.
Effective Oct 1, 2023.
Source: CMS HCPCS Level II.
C9791
ActiveMri hyperpolarized xenon129
Magnetic resonance imaging with inhaled hyperpolarized xenon-129 contrast agent, chest, including preparation and administration of agent
Category:
Outpatient PPS
Section:
C-codes: Outpatient PPS
Effective:
Oct 1, 2023
Code type:
alphanumeric
OPPS Status:
T
— Significant procedure — subject to multiple procedure reduction
OPPS APC:
1551
MUE — Medically Unlikely Edits
Maximum units of C9791 Medicare will pay for one beneficiary on one date of service. Claims exceeding the MUE are denied or returned for review.
| Service Type | Max Units / Day |
|---|---|
| Outpatient Hospital | 1 |
| Practitioner Services | 1 |
Source: CMS Medicare NCCI Medically Unlikely Edits
Change History
Quarterly changes published by CMS. Revisions may affect the code description, coverage, or rate — review each quarter's changes before submitting claims.
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New Code 2023-Q4Mri hyperpolarized xenon129