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AAO43: Otolaryngologic Surgical Procedures: Avoidance of Unnecessary Antibiotic Use

AAO43: Otolaryngologic Surgical Procedures: Avoidance of Unnecessary Antibiotic Use

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High Priority Status: Yes / Appropriate Use

CBE Number: N/A

Measure Description:

Percentage of patients aged 1 year and older who underwent an otolaryngologic surgical procedure and did not receive perioperative or postoperative antibiotics when there were no clinical indications, based on evidence-based guidelines.

Instructions:

This measure is to be submitted each time a patient underwent an otolaryngologic surgical procedure during the performance period. This measure may be submitted by clinicians based on the services provided and the measure-specific denominator coding.

 Denominator:

Patients aged 1 year and older who underwent an otolaryngologic surgical procedure where antibiotic prophylaxis is not recommended based on evidence and/or clinical guidelines

 Denominator Exclusion:

Procedures involving extensive tissue disruption or placement of implants or hardware (e.g., cochlear implants or trauma cases)

Denominator Criteria:

Patients aged 1 year and older

AND

Procedure: Otolaryngologic surgical procedures where antibiotic prophylaxis is not recommended

AND NOT

            Procedure: Extensive tissue disruption or placement of implants or hardware

For a list of codes that qualify as denominator eligible visits, reference Addendum attached.

 Numerator:

Patients who did not receive perioperative or postoperative antibiotics

 Denominator Exceptions:

Documentation of a medical reason for administering antibiotics (i.e., active infection, immunocompromised patient, etc.)

 Measure Classifications

  • Submission Pathway: Traditional MIPS
  • Measure Type: Process
  • High Priority Type: Appropriate Use
  • Care Setting(s): Ambulatory; Ambulatory Care: Clinician Office/Clinic; Ambulatory Care: Hospital; Ambulatory Surgical Center; Hospital Outpatient; Office Based Surgery Center; Outpatient Services
  • Includes Telehealth: No
  • Number of Performance Rates: 1
    • Inverse measure: No
    • Continuous measure: No
    • Proportional measure: Yes
    • Ratio measure: No
    • Risk Adjusted measure: No

 Clinical Recommendation Statement:

Several high-quality guidelines and systematic reviews recommend against the routine use of perioperative antibiotics for many common otolaryngology surgical procedures, particularly those classified as clean or low-risk. The American Academy of Otolaryngology–Head and Neck Surgery and the Infectious Diseases Society of America both strongly recommend against routine perioperative antibiotics for tonsillectomy in children, citing high-level evidence that antibiotics do not reduce postoperative morbidity, pain, or bleeding, and emphasizing the importance of antimicrobial stewardship. Similarly, the Infectious Diseases Society of America guideline states that antibiotic prophylaxis is not recommended for clean head and neck procedures such as thyroidectomy, parathyroidectomy, and salivary gland excisions, as well as for tonsillectomy, adenoidectomy, septoplasty, and endoscopic sinus surgery, due to lack of benefit in reducing surgical site infections.

Bratzler, D. W., Dellinger, E. P., Olsen, K. M., et al. (2013). Clinical practice guidelines for antimicrobial prophylaxis in surgery. American Journal of Health-System Pharmacy, 70(3), 195–283. https://doi.org/10.2146/ajhp120568

Mitchell, R. B., Archer, S. M., Ishman, S. L., et al. (2019). Clinical practice guideline: Tonsillectomy in children (update). Otolaryngology–Head and Neck Surgery, 160(1_suppl), S1–S42. https://doi.org/10.1177/0194599818801757

Rationale:

Recent studies highlight that, for example, up to 83% of patients undergoing clean ENT surgeries in some settings receive antibiotics unnecessarily, and prolonged courses are common even when a single perioperative dose (or none) is indicated. Tonsillectomy in children is a particularly well-documented example, with historical prescribing rates as high as 79% despite strong evidence and guideline recommendations against routine perioperative antibiotics.[4] Similarly, clean head and neck surgeries (e.g., thyroidectomy, parathyroidectomy) and clean otologic procedures (e.g., tympanoplasty, stapedectomy) are often subject to unnecessary antibiotic use. In summary, the highest rates of inappropriate antibiotic prescribing are seen in clean otolaryngology procedures where guidelines recommend against prophylaxis, with tonsillectomy, adenoidectomy, septoplasty, thyroidectomy, and parathyroidectomy being the most prominent examples.

Bratzler, D. W., Dellinger, E. P., Olsen, K. M., et al. (2013). Clinical practice guidelines for antimicrobial prophylaxis in surgery. American Journal of Health-System Pharmacy, 70(3), 195–283. https://doi.org/10.2146/ajhp120568

Mitchell, R. B., Archer, S. M., Ishman, S. L., et al. (2019). Clinical practice guideline: Tonsillectomy in children (update). Otolaryngology–Head and Neck Surgery, 160(1_suppl), S1–S42. https://doi.org/10.1177/0194599818801757

Patel, P. N., Jayawardena, A. D. L., Walden, R. L., Penn, E. B., & Francis, D. O. (2018). Evidence-based use of perioperative antibiotics in otolaryngology. Otolaryngology–Head and Neck Surgery, 158(5), 783–800. https://doi.org/10.1177/0194599817753610

Yalamanchi, P., Parent, A., & Thorne, M. (2020). Optimization of delivery of pediatric otolaryngology surgical antibiotic prophylaxis. Otolaryngology–Head and Neck Surgery, 163(2), 275–279. https://doi.org/10.1177/0194599820933191

Oppelaar, M. C., Zijtveld, C., Kuipers, S., et al. (2019). Evaluation of prolonged vs short courses of antibiotic prophylaxis following ear, nose, throat, and oral and maxillofacial surgery: A systematic review and meta-analysis. JAMA Otolaryngology–Head & Neck Surgery, 145(7), 610–616. https://doi.org/10.1001/jamaoto.2019.0879

© 2026 American Academy of Otolaryngology–Head and Neck Surgery Foundation. All rights reserved.

Limited proprietary coding is contained in the measure specifications for convenience. Users of the proprietary code sets should obtain all necessary licenses from the owners of these code sets. The measures, while copyrighted, can be reproduced and distributed, without modification, for noncommercial purposes, e.g., use by health care providers in connection with their practices. Commercial use is defined as the sale, license, or distribution of the measures for commercial gain, or incorporation of the measures into a product or service that is sold, licensed or distributed for commercial gain. Commercial uses of the measures require a license agreement between the user and the American Academy of Otolaryngology – Head and Neck Surgery Foundation.

The measure is not a clinical guideline, does not establish a standard of medical care, and has not been tested for all potential applications. The measure and specifications are provided “as is” without warranty of any kind. Neither the American Academy of Otolaryngology – Head and Neck Surgery Foundation (AAO-HNSF), nor its members shall be responsible for any use of the measure. The AAO-HNSF and its members disclaim all liability for use or accuracy of any Current Procedural Terminology (CPT®) or other coding contained in the specification.

Addendum

 

Otolaryngologic Surgical Procedures
Measure Element Code Type Code Code Description
Denominator CPT 42825 Tonsillectomy primary/secondary; younger than age 12
Denominator CPT 42826 Tonsillectomy primary/secondary; age 12 or over
Denominator CPT 42830 Adenoidectomy primary; younger than age 12
Denominator CPT 42831 Adenoidectomy primary; age 12 or over
Denominator CPT 42835 Adenoidectomy secondary; younger than age 12
Denominator CPT 42836 Adenoidectomy secondary; age 12 or over
Denominator CPT 42820 Tonsillectomy and adenoidectomy; younger than age 12
Denominator CPT 42821 Tonsillectomy and adenoidectomy; age 12 or over
Denominator CPT 30520 Septoplasty or submucous resection, with or without cartilage scoring, contouring or replacement with graft
Denominator CPT 30400 Rhinoplasty, primary; lateral and alar cartilages and/or elevation of nasal tip
Denominator CPT 31253 Nasal/sinus endoscopy, surgical with ethmoidectomy; total (anterior and posterior), including frontal sinus exploration, with removal of tissue from frontal sinus, when performed
Denominator CPT 31254 Nasal/sinus endoscopy, surgical with ethmoidectomy; partial (anterior)
Denominator CPT 31255 Nasal/sinus endoscopy, surgical with ethmoidectomy; total (anterior and posterior)
Denominator CPT 31267 Nasal/sinus endoscopy, surgical, with maxillary antrostomy; with removal of tissue from maxillary sinus
Denominator CPT 31276 Nasal/sinus endoscopy, surgical, with frontal sinus exploration, including removal of tissue from frontal sinus, when performed
Denominator CPT 31287 Nasal/sinus endoscopy, surgical, with sphenoidotomy;
Denominator CPT 31288 Nasal/sinus endoscopy, surgical, with sphenoidotomy; with removal of tissue from the sphenoid sinus
Denominator CPT 69436 Tympanostomy (requiring insertion of ventilating tube), general anesthesia
Denominator CPT 69433 Tympanostomy (requiring insertion of ventilating tube), local or topical anesthesia
Denominator CPT 69631 Tympanoplasty without mastoidectomy (including canalplasty, atticotomy and/or middle ear surgery), initial or revision; without ossicular chain reconstruction
Denominator CPT 69632 Tympanoplasty without mastoidectomy (including canalplasty, atticotomy and/or middle ear surgery), initial or revision; with ossicular chain reconstruction (eg, postfenestration)
Denominator CPT 69633 Tympanoplasty without mastoidectomy (including canalplasty, atticotomy and/or middle ear surgery), initial or revision; with ossicular chain reconstruction and synthetic prosthesis (eg, partial ossicular replacement prosthesis [PORP], total ossicular replacement prosthesis [TORP])
Denominator CPT 69635 Tympanoplasty with antrotomy or mastoidotomy (including canalplasty, atticotomy, middle ear surgery, and/or tympanic membrane repair); without ossicular chain reconstruction
Denominator CPT 69636 Tympanoplasty with antrotomy or mastoidotomy (including canalplasty, atticotomy, middle ear surgery, and/or tympanic membrane repair); with ossicular chain reconstruction
Denominator CPT 69637 Tympanoplasty with antrotomy or mastoidotomy (including canalplasty, atticotomy, middle ear surgery, and/or tympanic membrane repair); with ossicular chain reconstruction and synthetic prosthesis (eg, partial ossicular replacement prosthesis [PORP], total ossicular replacement prosthesis [TORP])
Denominator CPT 69641 Tympanoplasty with mastoidectomy (including canalplasty, middle ear surgery, tympanic membrane repair); without ossicular chain reconstruction
Denominator CPT 69642 Tympanoplasty with mastoidectomy (including canalplasty, middle ear surgery, tympanic membrane repair); with ossicular chain reconstruction
Denominator CPT 69643 Tympanoplasty with mastoidectomy (including canalplasty, middle ear surgery, tympanic membrane repair); with intact or reconstructed wall, without ossicular chain reconstruction
Denominator CPT 69644 Tympanoplasty with mastoidectomy (including canalplasty, middle ear surgery, tympanic membrane repair); with intact or reconstructed canal wall, with ossicular chain reconstruction
Denominator CPT 69645 Tympanoplasty with mastoidectomy (including canalplasty, middle ear surgery, tympanic membrane repair); radical or complete, without ossicular chain reconstruction
Denominator CPT 69646 Tympanoplasty with mastoidectomy (including canalplasty, middle ear surgery, tympanic membrane repair); radical or complete, with ossicular chain reconstruction
Denominator CPT 69620 Myringoplasty (surgery confined to drumhead and donor area)
Denominator CPT 69660 Stapedectomy or stapedotomy with reestablishment of ossicular continuity, with or without use of foreign material;
Denominator CPT 69661 Stapedectomy or stapedotomy with reestablishment of ossicular continuity, with or without use of foreign material; with footplate drill out
Denominator CPT 69501 Transmastoid antrotomy (simple mastoidectomy)
Denominator CPT 69502 Mastoidectomy; complete
Denominator CPT 69505 Mastoidectomy; modified radical
Denominator CPT 69511 Mastoidectomy; radical
Denominator CPT 60220 Total thyroid lobectomy, unilateral; with or without isthmusectomy
Denominator CPT 60225 Total thyroid lobectomy, unilateral; with contralateral subtotal lobectomy, including isthmusectomy
Denominator CPT 60240 Thyroidectomy, total or complete
Denominator CPT 60252 Thyroidectomy, total or subtotal for malignancy; with limited neck dissection
Denominator CPT 60254 Thyroidectomy, total or subtotal for malignancy; with radical neck dissection
Denominator CPT 60500 Parathyroidectomy or exploration of parathyroid(s)
Denominator CPT 60502 Parathyroidectomy or exploration of parathyroid(s); re-exploration
Denominator CPT 60505 Parathyroidectomy or exploration of parathyroid(s); with mediastinal exploration, sternal split or transthoracic approach
Denominator CPT 42440 Excision of submandibular (submaxillary) gland
Denominator CPT 42450 Excision of sublingual gland
Denominator CPT 42420 Excision of parotid tumor or parotid gland; total, with dissection and preservation of facial nerve
Denominator CPT 42425 Excision of parotid tumor or parotid gland; total, en bloc removal with sacrifice of facial nerve
Denominator CPT 21555 Excision, tumor, soft tissue of neck or anterior thorax, subcutaneous; less than 3 cm
Denominator CPT 21552 Excision, tumor, soft tissue of neck or anterior thorax, subcutaneous; 3 cm or greater
Denominator CPT 21554 Excision, tumor, soft tissue of neck or anterior thorax, subfascial (eg, intramuscular); 5 cm or greater
Denominator CPT 21556 Excision, tumor, soft tissue of neck or anterior thorax, subfascial (eg, intramuscular); less than 5 cm
Denominator CPT 21557 Radical resection of tumor (eg, sarcoma), soft tissue of neck or anterior thorax; less than 5 cm
Denominator CPT 21558 Radical resection of tumor (eg, sarcoma), soft tissue of neck or anterior thorax; 5 cm or greater
Denominator CPT 31545 Laryngoscopy, direct, operative, with operating microscope or telescope, with submucosal removal of non-neoplastic lesion(s) of vocal cord; reconstruction with local tissue flap(s)
Denominator CPT 31546 Laryngoscopy, direct, operative, with operating microscope or telescope, with submucosal removal of non-neoplastic lesion(s) of vocal cord; reconstruction with graft(s) (includes obtaining autograft)
Denominator CPT 31551 Laryngoplasty; for laryngeal stenosis, with graft, without indwelling stent placement, younger than 12 years of age
Denominator CPT 31552 Laryngoplasty; for laryngeal stenosis, with graft, without indwelling stent placement, age 12 years or older
Denominator CPT 31553 Laryngoplasty; for laryngeal stenosis, with graft, with indwelling stent placement, younger than 12 years of age
Denominator CPT 31554 Laryngoplasty; for laryngeal stenosis, with graft, with indwelling stent placement, age 12 years or older
Denominator CPT 31571 Laryngoscopy, direct, with injection into vocal cord(s), therapeutic; with operating microscope or telescope
Denominator CPT 31580 Laryngoplasty; for laryngeal web, with indwelling keel or stent insertion
Denominator CPT 31584 Laryngoplasty; with open reduction and fixation of (eg, plating) fracture, includes tracheostomy, if performed
Denominator CPT 31587 Laryngoplasty, cricoid split, without graft placement
Denominator CPT 31590 Laryngeal reinnervation by neuromuscular pedicle
Denominator CPT 31591 Laryngoplasty, medialization, unilateral
Denominator CPT 21206 Osteotomy, maxilla, segmental (eg, Wassmund or Schuchard)
Denominator CPT 21208 Osteoplasty, facial bones; augmentation (autograft, allograft, or prosthetic implant)
Denominator CPT 42810 Excision branchial cleft cyst or vestige, confined to skin and subcutaneous tissues
Denominator CPT 42815 Excision branchial cleft cyst, vestige, or fistula, extending beneath subcutaneous tissues and/or into pharynx
Denominator CPT 38500 Biopsy or excision of lymph node(s); open, superficial
Denominator CPT 38505 Biopsy or excision of lymph node(s); by needle, superficial (eg, cervical, inguinal, axillary)
Extensive Tissue Disruption/Trauma
Denominator Exclusion ICD10CM S02.92XB Unspecified fracture of facial bones, initial encounter for open fracture
Denominator Exclusion ICD10CM S02.81XB Fracture of other specified skull and facial bones, right side, initial encounter for open fracture
Denominator Exclusion ICD10CM S02.82XB Fracture of other specified skull and facial bones, left side, initial encounter for open fracture
Denominator Exclusion ICD10CM S02.80XB Fracture of other specified skull and facial bones, unspecified side, initial encounter for open fracture
Placement of Implants or Hardware
Denominator Exclusion CPT 69930 Cochlear device implantation, with or without mastoidectomy
Denominator Exclusion CPT 69714 Implantation, osseointegrated implant, skull; with percutaneous attachment to external speech processor

 

 

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