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Official Description

Exploration of penetrating wound (separate procedure); extremity

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

A penetrating traumatic wound refers to an injury that breaches the skin and underlying tissues, typically caused by external forces such as gunshots or stab wounds. The procedure described by CPT® Code 20103 involves the exploration of such a wound specifically located on an extremity. During this separate procedure, a scalpel is utilized to carefully extend the margins of the wound, allowing for a thorough examination of the underlying tissues. This exploration is crucial for assessing the extent of the injury, as it enables the healthcare provider to visualize the subcutaneous tissue, fascia, and muscle layers beneath the skin. The depth of penetration is evaluated to determine the severity of the injury and to identify any potential damage to surrounding structures. To enhance visibility and facilitate the removal of any debris, the wound is irrigated with normal saline. Following irrigation, debridement is performed using both sharp and blunt dissection techniques to clean the wound and eliminate any foreign bodies that may be present. Control of bleeding is an essential aspect of this procedure; minor bleeding from blood vessels within the subcutaneous tissue, muscle fascia, or muscle is managed through ligation or coagulation methods. Once the exploration confirms that the penetrating injury does not involve deeper tissues, and that major blood vessels and nerves remain intact, the wound can be addressed appropriately. In cases where the injury does not extend into the thoracic or abdominal cavity, particularly for chest or abdominal wounds, the wound may be packed either open or closed in layers. It is important to note that CPT® Code 20103 is specifically designated for the exploration of penetrating wounds located on the extremities, while a different code, 20100, is used for similar procedures involving the neck.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The exploration of a penetrating wound on an extremity is indicated in the following scenarios:

  • Traumatic Injury A penetrating traumatic wound resulting from external forces such as gunshots or stab injuries.
  • Assessment of Tissue Damage The need to evaluate the extent of damage to underlying tissues, including subcutaneous tissue, fascia, and muscle.
  • Control of Bleeding Situations where there is minor bleeding from blood vessels that require intervention to prevent further complications.
  • Foreign Body Removal The presence of foreign bodies within the wound that necessitates removal to promote healing and prevent infection.
  • Exclusion of Deeper Injuries The requirement to confirm that the injury does not involve deeper structures such as major blood vessels or nerves.

2. Procedure

The procedure for the exploration of a penetrating wound on an extremity involves several critical steps:

  • Wound Extension The procedure begins with the careful extension of the wound margins using a scalpel. This step is essential to provide adequate access to the underlying tissues for thorough examination.
  • Visualization of Underlying Tissues Once the wound is extended, the healthcare provider examines the underlying subcutaneous tissue, fascia, and muscle. This assessment is crucial for determining the depth of penetration and the extent of tissue damage.
  • Irrigation The wound is then irrigated with normal saline. This step serves to improve visualization of the wound and to remove any debris that may obstruct the examination.
  • Debridement Following irrigation, debridement is performed using both sharp and blunt dissection techniques. This process involves cleaning the wound and removing any foreign bodies that could impede healing.
  • Control of Bleeding If minor bleeding is observed from blood vessels within the subcutaneous tissue, muscle fascia, or muscle, it is controlled through ligation or coagulation methods to prevent excessive blood loss.
  • Assessment of Deeper Structures The provider assesses whether the penetrating injury involves deeper tissues, ensuring that major blood vessels and nerves are intact. This evaluation is critical for determining the appropriate course of action.
  • Wound Closure If it is confirmed that the injury does not extend into deeper structures, the wound may be packed open or closed in layers, depending on the specific circumstances of the injury.

3. Post-Procedure

Post-procedure care for a patient who has undergone exploration of a penetrating wound on an extremity includes monitoring for signs of infection, ensuring proper wound healing, and managing any pain or discomfort. The healthcare provider may provide instructions on wound care, including how to keep the area clean and dry. Follow-up appointments may be necessary to assess the healing process and to remove any sutures if applicable. Additionally, the patient should be advised to report any unusual symptoms, such as increased redness, swelling, or discharge from the wound, as these may indicate complications that require further intervention.

Short Descr EXPL PENTRG WOUND EXTREMITY
Medium Descr EXPLORATION PENETRATING WOUND SPX EXTREMITY
Long Descr Exploration of penetrating wound (separate procedure); extremity
Status Code Active Code
Global Days 010 - 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) 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 Hospital Part B services paid through a comprehensive APC
ASC Payment Indicator Non office-based surgical procedure added in CY 2008 or later; payment based on OPPS relative payment weight.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P6B - Minor procedures - musculoskeletal
MUE 3
CCS Clinical Classification 175 - Other OR therapeutic procedures on skin and breast
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).
LT Left side (used to identify procedures performed on the left side of the body)
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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.
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.
54 Surgical care only: when 1 physician or other qualified health care professional performs a surgical procedure and another provides preoperative and/or postoperative management, surgical services may be identified by adding modifier 54 to the usual procedure number.
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.
62 Two surgeons: when 2 surgeons work together as primary surgeons performing distinct part(s) of a procedure, each surgeon should report his/her distinct operative work by adding modifier 62 to the procedure code and any associated add-on code(s) for that procedure as long as both surgeons continue to work together as primary surgeons. each surgeon should report the co-surgery once using the same procedure code. if additional procedure(s) (including add-on procedure(s) are performed during the same surgical session, separate code(s) may also be reported with modifier 62 added. note: if a co-surgeon acts as an assistant in the performance of additional procedure(s), other than those reported with the modifier 62, during the same surgical session, those services may be reported using separate procedure code(s) with modifier 80 or modifier 82 added, as appropriate.
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.
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).
81 Minimum assistant surgeon: minimum surgical assistant services are identified by adding modifier 81 to the usual procedure number.
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).
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
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
GC This service has been performed in part by a resident under the direction of a teaching physician
GW Service not related to the hospice patient's terminal condition
RT Right side (used to identify procedures performed on the right side of the body)
SG Ambulatory surgical center (asc) facility service
T1 Left foot, second digit
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
Date
Action
Notes
2025-01-01 Changed Short Description changed.
2011-01-01 Changed Short description changed.
1996-01-01 Added First appearance in code book in 1996.
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