Summary & Overview
CPT 22904: Extensive Excision of Abdominal Wall Soft Tissue Malignant Tumor
CPT code 22904 denotes an extensive surgical excision of a soft tissue malignant tumor of the abdominal wall when the tumor and necessary margins measure under 5 cm. This code captures procedures where resection extends beyond the tumor to include adjacent tissues or structures suspected of involvement, reflecting oncologic surgical intent to achieve clear margins. Nationally, accurate coding for these resections affects surgical quality measures, hospital and ambulatory surgical center billing, and oncology case mix classification.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of the clinical context for use of 22904, common payer coverage patterns and considerations, and the typical settings in which the service is provided. The publication outlines benchmarking elements relevant to surgical oncology billing and highlights policy or coding guidance updates where available. Practical operational topics covered include proper code selection based on tumor size and extent of excision, documentation elements that support use of 22904, and how this code interacts with facility versus professional billing across inpatient and outpatient surgical settings.
Data not available in the input for associated taxonomies, specific ICD-10 pairings, and payer-specific reimbursement rates; those elements are noted as unavailable where applicable.
Billing Code Overview
CPT code 22904 describes an extensive excision of a soft tissue malignant tumor (such as a sarcoma) of the abdominal wall when the lesion and required margins measure less than 5 cm. The procedure is performed beyond the immediate dimensions of the tumor to remove surrounding tissue or anatomical structures that are suspected to be involved.
Service type: Surgical excision of soft tissue malignancy
Typical site of service: Operating room or ambulatory surgical center for inpatient or outpatient surgical oncology care
Clinical & Coding Specifications
Clinical Context
A 58-year-old patient presents with a palpable, enlarging mass of the anterior abdominal wall. Imaging (contrast-enhanced CT or MRI) demonstrates a 4.2 cm soft-tissue lesion with suspicious margins and radiographic features concerning for a sarcoma. Core needle biopsy returns a diagnosis of malignant soft tissue neoplasm (e.g., high-grade pleomorphic sarcoma). The surgical oncology team schedules an operative excision under general anesthesia. The procedure includes wide local excision of the abdominal wall tumor with removal of surrounding soft tissue and involved fascia to achieve negative margins; defect assessment follows and may require immediate primary closure or reconstruction (mesh or flap) depending on the resultant defect size. Intraoperative frozen section may be used selectively to assess margins. Typical perioperative workflow includes preoperative staging and medical clearance, anesthesia evaluation, intraoperative resection by a surgical oncologist or general surgeon with specialty training in soft-tissue tumors, and postoperative recovery with wound care instructions and referral for multidisciplinary discussion regarding adjuvant radiation or medical oncology if indicated. Typical site of service is an inpatient or outpatient hospital operating room or ambulatory surgery center depending on complexity and anticipated reconstruction needs. The service type is a major surgical excision of a malignant soft tissue tumor of the abdominal wall performed in an operative setting under anesthesia.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Provider’s usual, customary, and reasonable service | Use for the primary reporting surgeon when no unusual circumstances or additional payor modifiers apply. |
22 | Increased procedural services | Use when the excision requires significantly more work than typical (extensive dissection, unexpected complexity beyond standard for a <5 cm lesion). |
23 | Unusual anesthesia | Use when general anesthesia is contraindicated and an unusual anesthetic technique is required for medically complex patients. |
26 | Professional component | Use if reporting only the professional (interpretation) component of a related diagnostic service (rare for excision procedures). |
50 | Bilateral procedure | Use if identical malignant lesions are excised bilaterally from the abdominal wall in the same operative session. |
51 | Multiple procedures | Use when other unrelated procedures are performed at the same operative session in addition to the tumor excision. |
52 | Reduced services | Use when the planned excision is intentionally partially reduced or not completed as planned. |
53 | Discontinued procedure | Use if the procedure is started but terminated due to extenuating circumstances. |
62 | Two surgeons | Use when two surgeons from different specialties work together as primary surgeons performing distinct portions of the resection/reconstruction. |
66 | Surgical team | Use when a surgical team approach is required (e.g., complex resection with simultaneous reconstructive team). |
78 | Unplanned return to the operating room | Use for a return to the OR for related procedures during the global period. |
80 | Assistant surgeon | Use when an assistant-at-surgery is required and reported separately. |
81 | Minimum assistant surgeon | Use when a minimal assistance is provided by an assistant-at-surgery. |
62 | Two surgeons (alternate common usage) | See above; indicates co-surgeons when both perform substantive portions of the procedure. |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
2080S00000X | Surgical Oncology | Primary specialty most commonly performing wide excision of soft tissue sarcoma. |
207RA0000X | General Surgery | Frequently performs abdominal wall tumor excision, especially in centers without dedicated surgical oncology. |
2080P0222X | Plastic and Reconstructive Surgery | Often involved for complex abdominal wall reconstruction following wide excision. |
2084P0800X | Orthopaedic Oncology | Performs soft tissue sarcoma resections when tumors involve musculoskeletal structures of the abdominal wall region. |
363L00000X | Anesthesiology | Provides anesthesia services for the operative procedure. |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
C49A.9 | Malignant neoplasm of connective and soft tissue of abdomen, unspecified | Represents primary soft tissue sarcoma of the abdominal wall commonly indicating need for wide excision. |
C48.0 | Malignant neoplasm of retroperitoneum and peritoneum | Relevant when tumor involves or abuts peritoneal structures; may alter operative planning. |
C49.2 | Malignant neoplasm of connective and soft tissue of pelvic region | Included when lesion extends toward lower abdominal/pelvic soft tissues and affects resection margins. |
D48.1 | Neoplasm of uncertain behavior of connective and other soft tissue | Used when preoperative biopsy is inconclusive and wide excision is performed for diagnostic and therapeutic purposes. |
C49Z.9 | Malignant neoplasm of other connective and soft tissue of trunk, unspecified | General code for trunk soft-tissue malignancies that includes abdominal wall sarcomas. |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
11042 | Debridement; skin, subcutaneous tissue and muscle, initial (usually for infected or necrotic wounds) | May be performed preoperatively or postoperatively if wound debridement of the resection site is required. |
15734 | Muscle, myocutaneous or fasciocutaneous flap; trunk | Often used when local flap reconstruction is required after wide excision of abdominal wall tumors. |
49568 | Repair incisional or ventral hernia; with mesh, any approach | May be performed concurrently if the excision results in a fascial defect requiring reinforcement with mesh. |
88305 | Surgical pathology, gross and microscopic examination | Used for permanent pathology evaluation of the excised tumor to determine histology and margin status. |
76000 | Fluoroscopy (for guidance) | May be used intraoperatively or preoperatively for image guidance when needed. |
76942 | Ultrasonic guidance for needle placement | May be used if intraoperative or preoperative image-guided biopsy or localization is required. |