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Official Description

Arthrotomy, wrist joint; with joint exploration, with or without biopsy, with or without removal of loose or foreign body

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 25101 refers to an arthrotomy of the wrist joint, which involves making an incision to access the joint for exploration. This procedure can include various actions such as joint exploration, obtaining biopsies, and the removal of loose or foreign bodies within the joint space. The incision can be either a longitudinal midline incision or a horizontal incision, depending on the specific location of the pathology being addressed. The surgical approach requires careful dissection through the skin and underlying tissues, including the development of full-thickness skin flaps down to the extensor retinaculum, while taking precautions to protect important anatomical structures such as the superficial radial nerve and the dorsal sensory branch of the ulnar nerve, as well as associated blood vessels. The retinaculum is then incised to allow access to the wrist joint, facilitating further exploration and intervention as necessary. This procedure is critical for diagnosing and treating various wrist joint conditions, particularly when less invasive methods have not provided sufficient information or relief.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 25101 is indicated for various conditions affecting the wrist joint. These indications may include:

  • Joint Pathology - Conditions such as arthritis, synovitis, or other inflammatory processes that necessitate direct visualization and intervention within the joint.
  • Loose Bodies - The presence of loose or foreign bodies within the joint that may cause pain, swelling, or mechanical symptoms, requiring removal for symptom relief.
  • Biopsy - Situations where a tissue sample is needed to diagnose specific conditions affecting the wrist joint, such as tumors or infections.
  • Trauma - Injuries to the wrist that may involve joint damage or foreign material that needs to be addressed surgically.

2. Procedure

The procedure for CPT® Code 25101 involves several detailed steps to ensure proper access and treatment of the wrist joint. The following procedural steps are performed:

  • Step 1: Incision A longitudinal midline incision or a horizontal incision in Langer's lines is made over the dorsal aspect of the wrist, chosen based on the location of the pathology. This incision allows for optimal access to the wrist joint.
  • Step 2: Development of Skin Flaps Full thickness skin flaps are developed down to the extensor retinaculum. Care is taken to protect the superficial radial nerve, the dorsal sensory branch of the ulnar nerve, and the associated blood vessels during this dissection.
  • Step 3: Incision of the Retinaculum The extensor retinaculum is incised longitudinally over the third dorsal compartment to facilitate access to the wrist joint. If exposure of the ulnar aspect is necessary, the extensor pollicis longus is retracted radially, and the fourth extensor compartment is elevated subperiosteally or the septum between the third and fourth compartments is divided.
  • Step 4: Capsulotomy For ulnar capsulotomy, the dorsal radioulnar ligament is incised longitudinally. For radial capsulotomy, the dorsal radiocarpal and intercarpal ligaments are incised in line with their fibers, allowing for further access to the joint.
  • Step 5: Joint Exposure The wrist capsule is incised, and the wrist joint is exposed for exploration. This step is crucial for identifying any abnormalities within the joint.
  • Step 6: Exploration and Intervention The joint is explored thoroughly, and any abnormalities are noted. Tissue samples may be obtained as needed, and any loose or foreign bodies located within the joint are removed to alleviate symptoms.
  • Step 7: Joint Flushing and Closure Upon completion of the exploration and any necessary interventions, the joint is flushed with sterile saline to ensure cleanliness. The surgical wound is then closed in layers to promote proper healing.

3. Post-Procedure

After the completion of the arthrotomy procedure, patients may require specific post-operative care to ensure optimal recovery. This may include monitoring for signs of infection, managing pain, and following rehabilitation protocols as prescribed by the healthcare provider. Patients are typically advised on activity restrictions to allow for proper healing of the wrist joint. Follow-up appointments may be scheduled to assess recovery and the effectiveness of the intervention performed during the procedure.

Short Descr EXPLORE/TREAT WRIST JOINT
Medium Descr ARTHRT WRST W/JT EXPL W/WO BX W/WO RMVL LOOSE/FB
Long Descr Arthrotomy, wrist joint; with joint exploration, with or without biopsy, with or without removal of loose or foreign body
Status Code Active Code
Global Days 090 - Major Surgery
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 1 - 150% payment adjustment for bilateral procedures applies.
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 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) P5B - Ambulatory procedures - musculoskeletal
MUE 1
CCS Clinical Classification 159 - Other diagnostic procedures on musculoskeletal system
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.
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.
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.
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).
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
CR Catastrophe/disaster related
GC This service has been performed in part by a resident under the direction of a teaching physician
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)
SG Ambulatory surgical center (asc) facility service
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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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