CPT 15922Surgery

Exc coccygl pr ulc flap clsr

CPT 15922 covers surgical removal of a pressure ulcer (bedsore) located over the tailbone (coccyx) with repair using a flap of tissue moved from a nearby area. This is a complex wound closure procedure that addresses deep pressure sores in patients who have been immobile for extended periods.

Showing rates for

National Average

Base Medicare rate

$784.08

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

10.38

PE RVU (NF)

11.96

MP RVU

1.9

Total RVU

24.24

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Document precise ulcer dimensions, depth (stage III vs IV), and whether bone debridement was performed, as these factors justify the 15922 code versus simpler closure codes
Impact: Prevents downcoding to 11042-11047 (debridement only, $60-400 range) which could result in $400-700 underpayment; proper documentation supports the full $784.08 reimbursement
Specify the exact flap type used (advancement, rotation, V-Y) in operative report as multiple flaps or complex flap designs may warrant modifier 22 consideration
Impact: Modifier 22 with strong documentation can increase reimbursement to $940-1,176 (20-50% increase), adding $156-392 to base payment
Bill separately for pathology evaluation of excised tissue (88305) and any preoperative imaging studies; these are not bundled with 15922
Impact: Recovers additional $140-180 for pathology that is commonly missed; ensures complete capture of all billable services related to the procedure
Verify medical necessity documentation includes failure of conservative treatment (wound care, pressure relief, nutrition optimization) for minimum 30 days prior to surgery
Impact: Prevents medical necessity denials that require lengthy appeals; upfront documentation reduces denial rate from approximately 15-20% to under 5% for this code
When performed in facility setting, confirm facility is billing for tissue flap separately (CPT 15920 series) to avoid facility-side denials while physician bills 15922
Impact: Prevents facility bundling issues that can delay overall payment processing; ensures both facility ($784.08) and professional components are reimbursed appropriately

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Related actions

Common denials

Medical necessity denial due to insufficient documentation of conservative treatment failure or ulcer severity/staging

How to appeal: Submit appeal with wound care log showing minimum 30 days of conservative treatment, serial photographs documenting ulcer progression, nutrition consult notes, and staging documentation (Braden scale, wound measurements). Include clinical notes explaining why surgical intervention became necessary and patient risk factors for non-healing.

Downcoding to debridement-only codes (11042-11047) when flap closure documentation is insufficient or when payer questions whether true flap reconstruction occurred

How to appeal: Provide detailed operative report highlighting undermining distance, flap mobilization technique, flap dimensions, advancement/rotation angle, layered closure, and distinction from simple wound edge approximation. Include operative diagrams showing flap design and intraoperative photographs if available demonstrating tissue mobilization complexity.

Bundling denial when billed with separate debridement codes for the same anatomic site, triggering NCCI edits

How to appeal: If denied inappropriately, clarify that debridement is integral to 15922 and should not have been billed separately for same site. If debridement was for different anatomic site, submit amended claim with modifier 59/XS and anatomic documentation showing distinct locations. Consider withdrawing debridement charge if it was for same surgical site to avoid fraud concerns.

Global period issues when repair complications require return to OR within 90-day global period without proper modifier 78 or 79

How to appeal: Submit documentation clearly establishing whether return procedure was related to original surgery (modifier 78) or unrelated/staged procedure (modifier 79). Include clinical notes explaining complication timeline, whether complication was within normal postoperative course, and medical necessity for return to OR. Modifier 78 typically yields 70% payment while 79 yields full payment if truly unrelated.

Frequently asked questions

What is the Medicare reimbursement rate for CPT code 15922 in 2025?

The 2025 Medicare national average reimbursement rate for CPT 15922 is $784.08 for both facility and non-facility settings. This is based on 24.24 total RVUs (10.38 work RVU, 11.96 PE RVU, 1.9 MP RVU) multiplied by the 2025 conversion factor of 32.3465. Actual reimbursement may vary based on geographic location and MAC-specific adjustments.

What is the difference between CPT 15922 and simple debridement codes?

CPT 15922 includes excision of the entire pressure ulcer with flap closure reconstruction, involving tissue mobilization and advancement from adjacent areas. Simple debridement codes (11042-11047) only cover removal of necrotic tissue without flap reconstruction. The key distinction is whether tissue rearrangement and flap advancement/rotation are performed - if only cleaning and trimming dead tissue occurs without flap closure, debridement codes apply instead of 15922.

Can CPT 15922 be billed with modifier 22 for increased complexity?

Yes, modifier 22 is appropriate for CPT 15922 when the procedure requires substantially more work than typical, such as unusually large ulcers (>10cm), extensive bone involvement requiring significant resection, multiple flap designs, or complex wound bed preparation. Documentation must clearly explain the additional time, difficulty, and circumstances justifying increased complexity. Modifier 22 claims typically increase reimbursement by 20-50% but require detailed operative reports and may undergo additional payer review.

What documentation is required to support medical necessity for CPT 15922?

Medical necessity documentation must include: pressure ulcer staging (stage III or IV), precise dimensions and depth, exposed structures (bone/muscle), failed conservative treatment for at least 30 days (wound care, pressure relief, nutrition optimization), patient functional status and comorbidities affecting healing, preoperative photographs when available, and clinical rationale for why surgical flap closure is necessary versus continued conservative management. Many payers also require wound care logs and nutrition assessments.

How many RVUs is CPT code 15922 worth in 2025?

CPT 15922 has 24.24 total RVUs in 2025, consisting of 10.38 work RVUs, 11.96 practice expense RVUs (both facility and non-facility), and 1.9 malpractice RVUs. The high work RVU reflects the complexity and time involved in pressure ulcer excision with flap reconstruction. This places 15922 in the upper range of wound closure procedures due to the technical skill required for flap mobilization and closure.

Can CPT 15922 be billed bilaterally or with modifier 50?

No, CPT 15922 describes repair of a coccygeal (tailbone) pressure ulcer, which is a midline anatomic structure. Since the coccyx is singular and midline, bilateral modifier 50 does not apply. If a patient has multiple pressure ulcers at different anatomic sites (such as both ischial tuberosities or sacrum plus trochanter), each site would be coded separately with appropriate anatomic-specific CPT codes and modifier 59 or anatomic modifiers to indicate distinct sites.

What is the global period for CPT code 15922?

CPT 15922 has a 90-day global surgical period. This means routine postoperative care for 90 days following the procedure is included in the reimbursement and cannot be billed separately. Complications requiring return to the operating room during this period should be billed with modifier 78 (related procedure) or 79 (unrelated procedure). Office visits for unrelated problems during the global period can be billed with modifier 24. Staged or planned additional procedures require modifier 58.