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C9745

C9745Nasal endoscopy, surgical; balloon dilation of eustachian tube

HCPCSTerminatedBETOS P8I

C9745 is a HCPCS Level II code for nasal endoscopy, surgical; balloon dilation of eustachian tube. It belongs to the Outpatient Prospective Payment System section. It was terminated on December 31, 2020 and is not valid on new claims.

This code has been terminated

CMS terminated C9745 on December 31, 2020. 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 C9745

Long descriptor
Nasal endoscopy, surgical; balloon dilation of eustachian tube

The official wording. This is what the code means.

Short descriptor
Nasal endo eustachian tube

CMS's 28-character form, which is what shows up on a remittance advice.

Added
July 1, 2017

When CMS introduced the code.

Terminated
December 31, 2020

When CMS retired it.

BETOS
P8I

Berenson-Eggers Type of Service — CMS's own analytic grouping.

Pricing indicator
53 — Other

Statute.

Codes adjacent to C9745

HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If C9745 is not quite right, the correct code is very often within a few positions of it.

  • C9737Laparoscopy, surgical, esophageal sphincter augmentation with device (e.g., magnetic band)terminated
  • C9738Adjunctive blue light cystoscopy with fluorescent imaging agent (list separately in addition to code for primary procedure)
  • C9739Cystourethroscopy, with insertion of transprostatic implant; 1 to 3 implants
  • C9740Cystourethroscopy, with insertion of transprostatic implant; 4 or more implants
  • C9741Right heart catheterization with implantation of wireless pressure sensor in the pulmonary artery, including any type of measurement, angiography, imaging supervision, interpretation, and reportterminated
  • C9742Laryngoscopy, flexible fiberoptic, with injection into vocal cord(s), therapeutic, including diagnostic laryngoscopy, if performedterminated
  • C9743Injection/implantation of bulking or spacer material (any type) with or without image guidance (not to be used if a more specific code applies)terminated
  • C9744Ultrasound, abdominal, with contrastterminated
  • C9746Transperineal implantation of permanent adjustable balloon continence device, with cystourethroscopy, when performed and/or fluoroscopy, when performedterminated
  • C9747Ablation of prostate, transrectal, high intensity focused ultrasound (hifu), including imaging guidanceterminated
  • C9748Transurethral destruction of prostate tissue; by radiofrequency water vapor (steam) thermal therapyterminated
  • C9749Repair of nasal vestibular lateral wall stenosis with implant(s)terminated
  • C9750Insertion or removal and replacement of intracardiac ischemia monitoring system including imaging supervision and interpretation and peri-operative interrogation and programming; complete system (includes device and electrode)terminated
  • C9751Bronchoscopy, rigid or flexible, transbronchial ablation of lesion(s) by microwave energy, including fluoroscopic guidance, when performed, with computed tomography acquisition(s) and 3-d rendering, computer-assisted, image-guided navigation, and endobronchial ultrasound (ebus) guided transtracheal and/or transbronchial sampling (e.g., aspiration[s]/biopsy[ies]) and all mediastinal and/or hilar lymph node stations or structures and therapeutic intervention(s)terminated
  • C9752Destruction of intraosseous basivertebral nerve, first two vertebral bodies, including imaging guidance (e.g., fluoroscopy), lumbar/sacrumterminated
  • C9753Destruction of intraosseous basivertebral nerve, each additional vertebral body, including imaging guidance (e.g., fluoroscopy), lumbar/sacrum (list separately in addition to code for primary procedure)terminated

Questions about C9745

What is HCPCS code C9745?

C9745 is a HCPCS Level II code for nasal endoscopy, surgical; balloon dilation of eustachian tube. It sits in the Outpatient Prospective Payment System section.

Does Medicare cover C9745?

The CMS HCPCS file marks C9745 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 C9745 still valid?

No. C9745 was terminated on December 31, 2020 and should not be used on new claims.

HCPCS Level II2026Q3-Jul· effective July 1, 2026