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Official Description

Debridement, mastoidectomy cavity, complex (eg, with anesthesia or more than routine cleaning)

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 69222 refers to the procedure of debridement of a mastoidectomy cavity, specifically categorized as complex. This procedure is typically necessary for patients who have undergone a mastoidectomy and require ongoing care to maintain the cleanliness of the mastoid cavity. The term "debridement" refers to the removal of dead, damaged, or infected tissue to promote healing and prevent infection. In this context, the mastoid cavity may accumulate debris or experience persistent infection or drainage, necessitating periodic cleaning. The procedure is performed under visualization, often using a mirror or a rigid endoscope, which allows the physician to see the cavity clearly. During the debridement, a diluted hydrogen peroxide solution may be used to help loosen debris, which is then meticulously removed using specialized instruments such as forceps or a curette, while suctioning is employed to clear the cavity of debris simultaneously. The thorough cleaning of the mastoid cavity is crucial, as the middle ear is frequently a source of infection, and ensuring its cleanliness can significantly impact the patient's recovery and overall health. After the debridement, the cavity is inspected, and any residual hydrogen peroxide is suctioned out, followed by the application of boric acid or other antimicrobial agents to further aid in the healing process. It is important to distinguish this complex procedure from simpler cleaning methods, as indicated by the use of CPT® Code 69220 for routine cleanings that do not involve anesthesia or additional complexities.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure coded as CPT® 69222 is indicated for patients who have undergone a mastoidectomy and require ongoing management of their mastoid cavity. The specific indications for this complex debridement procedure include:

  • Persistent Infection The presence of ongoing infection within the mastoid cavity that necessitates thorough cleaning to prevent further complications.
  • Drainage Issues Continuous drainage from the mastoid cavity that requires intervention to maintain hygiene and promote healing.
  • Debris Accumulation The buildup of debris within the mastoid cavity that can impede recovery and lead to further health issues.

2. Procedure

The procedure for CPT® 69222 involves several detailed steps to ensure effective debridement of the mastoid cavity. Each step is crucial for achieving optimal results and involves the following:

  • Step 1: Visualization The physician begins by visualizing the mastoid cavity using a mirror or a rigid endoscope. This step is essential for accurately assessing the condition of the cavity and identifying areas that require debridement.
  • Step 2: Flushing the Cavity A diluted hydrogen peroxide solution is introduced into the cavity to help loosen any debris. This solution aids in breaking down the material that has accumulated, making it easier to remove.
  • Step 3: Debris Removal Using a combination of forceps or a curette in one hand and a suction device in the other, the physician meticulously removes the loosened debris from the mastoid cavity. This simultaneous suctioning is critical to ensure that the cavity remains clear during the debridement process.
  • Step 4: Cleaning the Middle Ear The procedure also includes cleaning the middle ear, as it is often a source of infection. This step is vital for preventing the recurrence of infections and ensuring comprehensive care.
  • Step 5: Inspection After the debridement is complete, the physician inspects the entire mastoid cavity using the mirror or endoscope to ensure that all debris has been removed and that the cavity is in a healthy state.
  • Step 6: Final Cleaning Any remaining hydrogen peroxide is suctioned out of the cavity. This step is important to eliminate any residual solution that could cause irritation or complications.
  • Step 7: Application of Agents Finally, the surface of the mastoid cavity is dusted with boric acid and/or anti-fungal or anti-bacterial agents. This application helps to further protect the cavity from infection and promotes healing.

3. Post-Procedure

Post-procedure care following CPT® 69222 is essential for ensuring proper recovery and minimizing the risk of complications. Patients may be monitored for any signs of infection or complications following the debridement. It is important for patients to follow any specific aftercare instructions provided by their physician, which may include keeping the area clean and dry, avoiding certain activities, and attending follow-up appointments to assess healing. The physician may also provide guidance on the use of medications, such as antibiotics or pain relievers, to manage any discomfort or prevent infection. Regular follow-up visits may be necessary to evaluate the condition of the mastoid cavity and determine if additional debridement procedures are required.

Short Descr CLEAN OUT MASTOID CAVITY
Medium Descr DEBRIDEMENT MASTOIDECTOMY CAVITY CMPLX
Long Descr Debridement, mastoidectomy cavity, complex (eg, with anesthesia or more than routine cleaning)
Status Code Active Code
Global Days 010 - Minor Procedure
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 1 - 150% payment adjustment for bilateral procedures applies.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 1 - Statutory payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Procedure or Service, Multiple Reduction Applies
ASC Payment Indicator Office-based surgical procedure added to ASC list in CY 2008 or later with MPFS nonfacility PE RVUs; payment based on MPFS nonfacility PE RVUs.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P6C - Minor procedures - other (Medicare fee schedule)
MUE 1
CCS Clinical Classification 169 - Debridement of wound, infection or burn
RT Right side (used to identify procedures performed on the right side of the body)
LT Left side (used to identify procedures performed on the left side of the body)
50 Bilateral procedure: unless otherwise identified in the listings, bilateral procedures that are performed at the same session, should be identified by adding modifier 50 to the appropriate 5 digit code. note: this modifier should not be appended to designated "add-on" codes (see appendix d).
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
22 Increased procedural services: when the work required to provide a service is substantially greater than typically required, it may be identified by adding modifier 22 to the usual procedure code. documentation must support the substantial additional work and the reason for the additional work (ie, increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required). note: this modifier should not be appended to an e/m service.
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
58 Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78.
78 Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period: it may be necessary to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure). when this procedure is related to the first, and requires the use of an operating/procedure room, it may be reported by adding modifier 78 to the related procedure. (for repeat procedures, see modifier 76.)
79 Unrelated procedure or service by the same physician or other qualified health care professional during the postoperative period: the individual may need to indicate that the performance of a procedure or service during the postoperative period was unrelated to the original procedure. this circumstance may be reported by using modifier 79. (for repeat procedures on the same day, see modifier 76.)
AG Primary physician
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
CR Catastrophe/disaster related
GA Waiver of liability statement issued as required by payer policy, individual case
GC This service has been performed in part by a resident under the direction of a teaching physician
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
GW Service not related to the hospice patient's terminal condition
SA Nurse practitioner rendering service in collaboration with a physician
SG Ambulatory surgical center (asc) facility service
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
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