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Official Description

Debridement including removal of foreign material at the site of an open fracture and/or an open dislocation (eg, excisional debridement); skin, subcutaneous tissue, muscle fascia, muscle, and bone

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 11012 refers to a specific surgical procedure known as debridement, which involves the removal of foreign material from the site of an open fracture and/or an open dislocation. This procedure is critical in managing contaminated wounds, where foreign substances such as dirt, gravel, glass, or metal may pose a risk of infection and impede healing. The process begins with a thorough exploration of the injury site to identify and remove any irreparable or nonviable tissue, which may include ischemic or necrotic areas. The wound is initially irrigated extensively to eliminate as much foreign matter and bacteria as possible, thereby reducing the risk of infection. Following irrigation, a new sterile field is established to facilitate surgical exploration and debridement of the contaminated wound. The surgeon employs sharp dissection techniques to enlarge the wound for improved visibility, allowing for a meticulous examination of the surrounding tissues. Nonviable margins of the wound are carefully excised, and dissection may extend through the subcutaneous tissue, fascia, muscle, and even down to the bone, depending on the extent of contamination and tissue viability. During the procedure, muscle tissue is assessed for viability by evaluating its color, consistency, contraction, and circulation. The fascia is incised parallel to the muscle fibers, and any nonviable muscle tissue is excised. Additionally, contaminated or nonviable cortical bone may be removed using a chisel. Throughout the debridement process, it is essential to protect and preserve vital structures such as blood vessels, nerves, tendon sheaths, viable periosteum, and soft tissue attached to the bone. Once all nonviable tissue has been adequately removed, indicated by the presence of bleeding from the exposed surfaces, the physician may choose to close the wound or leave it open for drainage. This code is specifically utilized when debridement extends down to and includes the bone, ensuring that the appropriate level of care is documented and billed for each distinct trauma site treated.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure associated with CPT® Code 11012 is indicated for the management of open fractures and/or open dislocations that are contaminated with foreign material. The following conditions warrant the performance of this procedure:

  • Open Fracture: A fracture where the bone is exposed through the skin, increasing the risk of infection due to external contaminants.
  • Open Dislocation: A dislocation where the joint surfaces are exposed, which may also be contaminated with foreign materials.
  • Presence of Foreign Material: The need to remove contaminants such as dirt, gravel, glass, or metal that can impede healing and increase the risk of infection.
  • Nonviable Tissue: The presence of ischemic or necrotic tissue that must be excised to promote healing and prevent further complications.

2. Procedure

The procedure for CPT® Code 11012 involves several critical steps to ensure effective debridement of the contaminated wound:

  • Initial Irrigation: The wound is first irrigated copiously to remove as much foreign matter and bacteria as possible. This step is crucial in reducing the risk of infection and preparing the wound for further intervention.
  • Creation of a Sterile Field: After irrigation, a new sterile field is established to maintain a clean environment for surgical exploration and debridement.
  • Surgical Exploration: The surgeon performs sharp dissection to enlarge the wound, allowing for better visualization of the underlying tissues and structures. This step is essential for identifying nonviable tissue.
  • Excising Nonviable Tissue: Nonviable wound margins are carefully excised. The dissection continues through the subcutaneous tissue into the fascia, muscle, and bone as necessary, ensuring that all nonviable tissue is removed.
  • Assessment of Muscle Viability: Muscle tissue is inspected for viability by checking color, consistency, contraction, and circulation. This assessment helps determine which tissues can be preserved and which must be excised.
  • Incision of Fascia: The fascia is incised parallel to the muscle fibers, allowing for the identification and excision of any nonviable muscle tissue.
  • Bone Debridement: Contaminated or nonviable cortical bone is excised using a chisel, ensuring that all sources of infection are addressed.
  • Removal of Foreign Material: Any remaining foreign material is meticulously removed from the wound site to facilitate healing.
  • Closure or Drainage: Once all nonviable tissue has been removed, indicated by bleeding from the exposed surfaces, the physician may choose to close the wound or leave it open to drain, depending on the clinical situation.

3. Post-Procedure

After the debridement procedure associated with CPT® Code 11012, post-procedure care is essential for optimal recovery. The wound may be left open to allow for drainage, which helps prevent the accumulation of fluids and reduces the risk of infection. If the wound is closed, appropriate dressings are applied to protect the area and promote healing. Patients may require follow-up visits to monitor the healing process and assess for any signs of infection or complications. Pain management and wound care instructions are typically provided to ensure proper recovery. Additionally, the physician may schedule further debridement procedures if necessary, until definitive treatment of the open fracture and/or dislocation is completed.

Short Descr DEB SKIN BONE AT FX SITE
Medium Descr DBRDMT FX&/DISLC SUBQ T/M/F BONE
Long Descr Debridement including removal of foreign material at the site of an open fracture and/or an open dislocation (eg, excisional debridement); skin, subcutaneous tissue, muscle fascia, muscle, and bone
Status Code Active Code
Global Days 000 - Endoscopic or 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) 2 - 150% payment adjustment does NOT apply.
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 Hospital Part B services paid through a comprehensive APC
ASC Payment Indicator Surgical procedure on ASC list in CY 2007; payment based on OPPS relative payment weight.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P5A - Ambulatory procedures - skin
MUE 2
CCS Clinical Classification 169 - Debridement of wound, infection or burn

This is a primary code that can be used with these additional add-on codes.

20700 Add-on Code MPFS Status: Active Code APC N ASC N1 Manual preparation and insertion of drug-delivery device(s), deep (eg, subfascial) (List separately in addition to code for primary procedure)
20701 Add-on Code MPFS Status: Active Code APC N Removal of drug-delivery device(s), deep (eg, subfascial) (List separately in addition to code for primary procedure)
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).
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.)
GC This service has been performed in part by a resident under the direction of a teaching physician
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.
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.
LT Left side (used to identify procedures performed on the left side of the body)
RT Right side (used to identify procedures performed on the right side of the body)
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
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).
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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.
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
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.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
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
ET Emergency services
F1 Left hand, second digit
F2 Left hand, third digit
F3 Left hand, fourth digit
F4 Left hand, fifth digit
F5 Right hand, thumb
F6 Right hand, second digit
F7 Right hand, third digit
F8 Right hand, fourth digit
F9 Right hand, fifth digit
FA Left hand, thumb
GA Waiver of liability statement issued as required by payer policy, individual case
GJ "opt out" physician or practitioner emergency or urgent service
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
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
SG Ambulatory surgical center (asc) facility service
T1 Left foot, second digit
T2 Left foot, third digit
T3 Left foot, fourth digit
T4 Left foot, fifth digit
T5 Right foot, great toe
T6 Right foot, second digit
T8 Right foot, fourth digit
T9 Right foot, fifth digit
TA Left foot, great toe
X4 Episodic/focused services: for reporting services by clinicians who provide focused care on particular types of treatment limited to a defined period and circumstance; the patient has a problem, acute or chronic, that will be treated with surgery, radiation, or some other type of generally time-limited intervention; reporting clinician service examples include but are not limited to, the orthopedic surgeon performing a knee replacement and seeing the patient through the postoperative period
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
Date
Action
Notes
2019-01-01 Note AMA Guidelines changed.
2011-01-01 Changed Long description revised. Medium description changed. Short description changed.
1997-01-01 Added First appearance in code book in 1997.
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