C9122 — Mometasone furoate sinus implant, 10 micrograms (sinuva)
C9122 is a HCPCS Level II code for mometasone furoate sinus implant, 10 micrograms (sinuva). It belongs to the Outpatient Prospective Payment System section. It was terminated on March 31, 2021 and is not valid on new claims.
This code has been terminated
CMS terminated C9122 on March 31, 2021. 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: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
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 C9122
- Long descriptor
- Mometasone furoate sinus implant, 10 micrograms (sinuva)
- Short descriptor
- Mometasone furoate (sinuva)
- Added
- July 1, 2020
- Terminated
- March 31, 2021
- BETOS
- O1E
- Pricing indicator
- 53 — Other
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.
Statute.
Codes adjacent to C9122
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If C9122 is not quite right, the correct code is very often within a few positions of it.
- C9094Inj, sutimlimab-jome, 10 mgterminated
- C9095Inj, tebentafusp-tebn, 1 mcgterminated
- C9096Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgramterminated
- C9097Inj, faricimab-svoa, 0.1 mgterminated
- C9098Ciltacabtagene autoleucel, up to 100 million autologous b-cell maturation antigen (bcma) directed car-positive t cells, including leukapheresis and dose preparation procedures, per therapeutic doseterminated
- C9101Injection, oliceridine, 0.1 mg
- C9113Injection, pantoprazole sodium, per vialterminated
- C9121Injection, argatroban, per 5 mgterminated
- C9132Prothrombin complex concentrate (human), kcentra, per i.u. of factor ix activityterminated
- C9133Factor ix (antihemophilic factor, recombinant), rixubis, per i.u.terminated
- C9134Factor xiii (antihemophilic factor, recombinant), tretten, per 10 i.u.terminated
- C9135Factor ix (antihemophilic factor, recombinant), alprolix, per i.u.terminated
- C9136Injection, factor viii, fc fusion protein, (recombinant), per i.u.terminated
- C9137Injection, factor viii (antihemophilic factor, recombinant) pegylated, 1 i.u.terminated
- C9138Injection, factor viii (antihemophilic factor, recombinant) (nuwiq), 1 i.u.terminated
- C9139Injection, factor ix, albumin fusion protein (recombinant), idelvion, 1 i.u.terminated
Questions about C9122
What is HCPCS code C9122?
C9122 is a HCPCS Level II code for mometasone furoate sinus implant, 10 micrograms (sinuva). It sits in the Outpatient Prospective Payment System section.
Does Medicare cover C9122?
The CMS HCPCS file marks C9122 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
Is C9122 still valid?
No. C9122 was terminated on March 31, 2021 and should not be used on new claims.