Summary & Overview
CPT 11471: Excision for Hidradenitis with Complex Repair
CPT code 11471 covers surgical excision of perianal, perineal, or umbilical skin and subcutaneous tissue involved with hidradenitis, followed by closure with complex repair techniques. The code represents a targeted dermatologic surgery for painful, recurrent lesions that often require both definitive removal and reconstructive closure. As a nationally relevant surgical procedure, it affects specialty dermatology, general surgery, and colorectal practice patterns as well as outpatient surgical resource utilization.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of clinical context for the procedure, typical sites of service, and payer coverage landscape. The publication outlines common modifiers and coding considerations, summarizes available national benchmarks where provided, and highlights policy or coverage updates affecting surgical dermatology billing.
This report is intended to inform coding staff, revenue cycle professionals, and clinical leaders about how CPT code 11471 is used, common billing contexts, and areas where payer policy or documentation expectations may impact reimbursement and clinical workflow. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 11471 describes excision of perianal, perineal, or umbilical skin and subcutaneous tissue involved with hidradenitis, with closure of the excision site using complex repair techniques. This procedure is a surgical dermatologic intervention focused on removal of painful, recurrent lesions associated with hidradenitis and reconstruction of the surgical defect using advanced closure methods.
-
Service type: Surgical excision with complex repair
-
Typical site of service: Ambulatory surgical center or hospital outpatient department; may also be performed in an office-based surgical suite when appropriate
Clinical & Coding Specifications
Clinical Context
A 34-year-old patient presents to a surgical dermatology clinic with recurrent, painful, suppurative nodules and sinus tracts in the perianal/perineal region consistent with chronic hidradenitis suppurativa refractory to medical therapy. After prior medical management including antibiotics, intralesional steroids, and biologic therapy optimization, the treating surgeon recommends excision of the involved skin and subcutaneous tissue followed by complex closure due to a larger defect and need for layered reconstruction.
Preoperative workflow includes focused history and physical, photographic documentation, informed consent noting risks of wound dehiscence and infection, marking of the excision margins in the office or preoperative holding area, and verification of prior imaging or cultures if performed. The procedure is performed in an operating room or ambulatory surgery center under monitored anesthesia care or general anesthesia. The surgeon excises the diseased tissue with margin control, performs layered closure using complex repair techniques (e.g., rotational flap, layered undermining, buried deep sutures, or need for partial-thickness flap reconstruction), and documents size of excision, depth, technique of complex repair, and any unexpected intraoperative events. Postoperative workflow includes wound care instructions, pain management, follow-up wound checks, and documentation of any complications or need for additional procedures.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | When work or time substantially exceeds the usual for 11471 due to extensive disease or additional complexity beyond typical excision and closure |
23 | Unusual anesthesia | When general anesthesia is used for an otherwise minor procedure because of extenuating patient circumstances |
26 | Professional component | If reporting a separately payable professional interpretation component (rare for this procedure) |
50 | Bilateral procedure | When symmetrical bilateral perianal or perineal lesions are excised and reported per payer rules |
51 | Multiple procedures | When 11471 is reported with additional distinct surgical procedures during the same operative session |
52 | Reduced services | When the procedure is partially completed or intentionally reduced in scope |
53 | Discontinued procedure | When the procedure is terminated due to patient instability or intraoperative complication before completion |
58 | Staged or related procedure following initial treatment | When the excision/complex closure is planned as a staged procedure following a prior operation |
59 | Distinct procedural service | When a separate, unrelated procedure is performed at a different anatomic site during the same session; ensures separate payment when clinically appropriate |
62 | Two surgeons | When a second surgeon (co-surgeon) performs distinct portions of the procedure |
63 | Procedure performed on infants less than 4 kg | When patient weight criteria are met and payer requires this modifier |
78 | Return to the operating room for a related procedure during the postoperative period | When a revision or complication requires return to the OR related to the original 11471 repair |
79 | Unrelated procedure or service during the postoperative period | When an unrelated procedure is performed during the global period (note: 79 is not in the provided list; not included) |
LT | Left side | When the procedure is performed on the left anatomic side and payer requires laterality |
RT | Right side | When the procedure is performed on the right anatomic side and payer requires laterality |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
| 207P00000X | Dermatology | Most common specialty performing wide excisions and complex closures for hidradenitis of skin and subcutaneous tissue |
| 2080P0008X | General Surgery | Frequently performs excision and complex reconstruction for extensive perineal/perianal disease |
| 163W00000X | Colorectal Surgery | Often involved when perianal/anorectal anatomy or proximity to sphincter requires specialized resection and reconstruction |
| 207L00000X | Plastic and Reconstructive Surgery | Performs complex flap, grafting, and reconstructive closure techniques when large defects require advanced reconstruction |
| 207K00000X | Family Medicine with Procedural Focus | May perform limited excisions or smaller complex closures in outpatient settings |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
L73.2 | Hidradenitis suppurativa | Primary diagnosis for which 11471 is specifically described; denotes chronic inflammatory disease of apocrine gland–bearing skin often requiring excision and complex closure |
L98.4 | Chronic ulcer of skin, not elsewhere classified | Relevant when chronic draining sinus tracts or nonhealing ulcerations are present in hidradenitis areas requiring excision |
L03.90 | Cellulitis, unspecified | May be present as concurrent soft tissue infection requiring debridement or antibiotic therapy in the perioperative period |
L02.91 | Cutaneous abscess, unspecified | Acute abscesses in perianal/perineal region may prompt incision and drainage or be excised during definitive treatment |
K60.2 | Anal fistula, unspecified | Relevant when perianal disease involves fistula formation requiring coordination with colorectal surgery and potential staged procedures |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
11400 | Excision, benign lesion including margins, trunk, arms or legs; excised diameter 0.5 cm or less | May be used when smaller hidradenitis lesions are excised in clinic rather than the larger, complex defect requiring 11471 |
11424 | Excision, benign lesion including margins, trunk, arms or legs; excised diameter over 4.0 cm | For larger skin excisions on trunk or limbs when complex closure is not performed; contrasts with 11471 which specifically addresses perianal/perineal/umbilical hidradenitis with complex repair |
13160 | Secondary closure of surgical wound or dehiscence; trunk, arms, legs, mucous membrane; complicated | For wound revisions or complex secondary closures following initial excision if dehiscence or need for more advanced repair occurs |
14060 | Adjacent tissue transfer or rearrangement, trunk; defect 30.1 sq cm to 60.0 sq cm | Used when flap techniques are required for reconstruction of larger defects after excision of hidradenitis; may be reported in conjunction or instead of complex layered repair depending on documentation and payer rules |
11042 | Debridement, subcutaneous tissue (includes epidermis and dermis where performed); first 20 sq cm or less | May be reported when extensive debridement is required prior to definitive excision and closure in infected or necrotic tissue settings |