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Official Description

Negative pressure wound therapy, (eg, vacuum assisted drainage collection), utilizing disposable, non-durable medical equipment including provision of exudate management collection system, topical application(s), wound assessment, and instructions for ongoing care, per session; total wound(s) surface area greater than 50 square centimeters

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Negative pressure wound therapy (NPWT) is a specialized treatment method designed to facilitate the healing process of both acute and chronic wounds, as well as to enhance the recovery of first- and second-degree burns. This therapy involves the controlled application of sub-atmospheric pressure, which can be administered either intermittently or continuously, to a localized area of the wound. The wound is first sealed with a bio-occlusive dressing that is connected to a vacuum pump, creating a sealed environment that promotes a moist healing atmosphere while simultaneously protecting the wound from external contaminants. The NPWT system typically utilizes a dressing made from cell foam or gauze, which is tailored to fit the contours of the wound. This dressing is then covered with a transparent bio-occlusive film to maintain the integrity of the sealed environment. The vacuum pump plays a crucial role in this therapy by removing excess fluid from the wound area, which helps to reduce edema and promotes increased blood circulation to the site. This enhanced blood flow is vital for delivering necessary nutrients and oxygen to the wound, thereby supporting the healing process. The dressing is generally changed two to three times per week, during which the old dressing material and drainage tubing are disposed of in biohazard bags to ensure safety and compliance with health regulations. Each dressing change includes a thorough assessment of the wound for signs of healing or infection, and may involve irrigation and cleaning of the wound, as well as the application of topical medications. After the wound is redressed, patients or caregivers receive detailed instructions for ongoing care to ensure proper management of the wound. It is important to note that CPT® Code 97608 is specifically designated for cases where the total surface area of the wound(s) exceeds 50 square centimeters, distinguishing it from CPT® Code 97607, which applies to smaller wound areas.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The indications for utilizing negative pressure wound therapy (NPWT) include the following conditions:

  • Acute Wounds - NPWT is indicated for the treatment of acute wounds that require enhanced healing support.
  • Chronic Wounds - This therapy is also effective for chronic wounds that have not responded adequately to standard treatment methods.
  • First-Degree Burns - NPWT can be used to promote healing in first-degree burns, which affect only the outer layer of skin.
  • Second-Degree Burns - The therapy is indicated for second-degree burns that penetrate deeper into the skin layers, promoting faster recovery.

2. Procedure

The procedure for administering negative pressure wound therapy involves several key steps, which are detailed as follows:

  • Step 1: Wound Preparation - The wound area is first prepared by cleaning and assessing it for any signs of infection or complications. This may involve irrigation and debridement as necessary to ensure a clean surface for the application of the NPWT system.
  • Step 2: Dressing Application - A dressing made of cell foam or gauze is carefully fitted to the contours of the wound. This dressing is designed to absorb exudate and maintain a moist environment conducive to healing.
  • Step 3: Sealing the Dressing - The fitted dressing is then covered with a transparent bio-occlusive film, which is sealed tightly to create a closed environment around the wound. This sealing is crucial for maintaining the negative pressure effect.
  • Step 4: Connecting the Vacuum Pump - A drainage tube is inserted into the wound through a small slit in the bio-occlusive film and connected to a vacuum pump. This pump is responsible for creating the negative pressure that facilitates the therapy.
  • Step 5: Monitoring and Adjustments - The NPWT system is monitored regularly to ensure proper functioning. Adjustments may be made to the pressure settings based on the specific needs of the wound and the patient's response to therapy.
  • Step 6: Dressing Changes - The dressing is typically changed two to three times per week. During each change, the old dressing and drainage tubing are disposed of in biohazard bags, and the wound is reassessed for healing progress and any signs of infection.
  • Step 7: Ongoing Care Instructions - After redressing the wound, the patient or caregiver is provided with detailed instructions for ongoing care, which may include guidelines for monitoring the wound and recognizing signs of complications.

3. Post-Procedure

Post-procedure care following negative pressure wound therapy involves several important considerations. Patients are expected to follow the instructions provided for ongoing care, which may include monitoring the wound for any changes, such as increased redness, swelling, or discharge that could indicate infection. Regular follow-up appointments may be necessary to assess the healing progress and make any required adjustments to the therapy. It is also essential to maintain the integrity of the dressing and the vacuum system to ensure optimal therapeutic effects. Patients should be educated on the importance of keeping the wound area clean and dry, and they should be advised to report any concerns or complications to their healthcare provider promptly. Overall, the goal of post-procedure care is to support the healing process and prevent any potential complications associated with the wound or the therapy itself.

Short Descr NEG PRS WND THER NDME>50SQCM
Medium Descr NEG PRESSURE WOUND THERAPY NON DME >50 SQ CM
Long Descr Negative pressure wound therapy, (eg, vacuum assisted drainage collection), utilizing disposable, non-durable medical equipment including provision of exudate management collection system, topical application(s), wound assessment, and instructions for ongoing care, per session; total wound(s) surface area greater than 50 square centimeters
Status Code Active Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 0 - No payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - 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
Berenson-Eggers TOS (BETOS) P6C - Minor procedures - other (Medicare fee schedule)
MUE 1
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.
RT Right side (used to identify procedures performed on the right side of the body)
GC This service has been performed in part by a resident under the direction of a teaching physician
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
GP Services delivered under an outpatient physical therapy plan of care
KX Requirements specified in the medical policy have been met
LT Left side (used to identify procedures performed on the left side of the body)
24 Unrelated evaluation and management service by the same physician or other qualified health care professional during a postoperative period: the physician or other qualified health care professional may need to indicate that an evaluation and management service was performed during a postoperative period for a reason(s) unrelated to the original procedure. this circumstance may be reported by adding modifier 24 to the appropriate level of e/m service.
25 Significant, separately identifiable evaluation and management service by the same physician or other qualified health care professional on the same day of the procedure or other service: it may be necessary to indicate that on the day a procedure or service identified by a cpt code was performed, the patient's condition required a significant, separately identifiable e/m service above and beyond the other service provided or beyond the usual preoperative and postoperative care associated with the procedure that was performed. a significant, separately identifiable e/m service is defined or substantiated by documentation that satisfies the relevant criteria for the respective e/m service to be reported (see evaluation and management services guidelines for instructions on determining level of e/m service). the e/m service may be prompted by the symptom or condition for which the procedure and/or service was provided. as such, different diagnoses are not required for reporting of the e/m services on the same date. this circumstance may be reported by adding modifier 25 to the appropriate level of e/m service. note: this modifier is not used to report an e/m service that resulted in a decision to perform surgery. see modifier 57 for significant, separately identifiable non-e/m services, see modifier 59.
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.
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.
77 Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
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.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
82 Assistant surgeon (when qualified resident surgeon not available): the unavailability of a qualified resident surgeon is a prerequisite for use of modifier 82 appended to the usual procedure code number(s).
A1 Dressing for one wound
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
CQ Outpatient physical therapy services furnished in whole or in part by a physical therapist assistant
GO Services delivered under an outpatient occupational therapy plan of care
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
GZ Item or service expected to be denied as not reasonable and necessary
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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2024-01-01 Changed Short Description changed.
2015-01-01 Added Added
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