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Official Description

Partial excision (craterization, saucerization, or diaphysectomy) bone (eg, osteomyelitis), radial head or neck

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 24145 involves a partial excision of bone, specifically targeting the radial head or neck, to address osteomyelitis, which is an infection of the bone. This surgical intervention may also be referred to as craterization, saucerization, or diaphysectomy. Craterization and saucerization are techniques that focus on removing infected and necrotic bone tissue to create a shallow depression on the bone surface, facilitating drainage from the infected area. Diaphysectomy, on the other hand, entails the removal of the infected segment of the shaft of a long bone. The procedure begins with an incision through the skin and soft tissue over the osteomyelitis site, allowing access to the affected area. During the operation, any associated soft tissue sinus tracts and devitalized soft tissue are excised to ensure a clean surgical field. The surgeon then exposes the necrotic and infected bone, employing a series of drill holes to delineate the area of infection. The bone between these holes is meticulously excavated using an osteotome, with the extent of bone removal determined by the severity of the infection. A curette may be utilized to clear out any remaining devitalized tissue from the medullary canal. The debridement process continues until healthy bone is reached, indicated by the presence of punctate bleeding on the exposed surface. Following the complete removal of all infected and necrotic tissue, the surgical site is thoroughly irrigated with sterile saline or an antibiotic solution to minimize the risk of further infection. Finally, the wound is loosely closed, and a drain is placed to facilitate any necessary postoperative drainage.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 24145 is indicated for the treatment of osteomyelitis affecting the radial head or neck. Osteomyelitis is characterized by the infection of bone tissue, which can lead to necrosis and significant complications if not addressed. The following conditions may warrant this surgical intervention:

  • Osteomyelitis of the radial head or neck - This condition involves an infection in the bone surrounding the radial head or neck, necessitating surgical intervention to remove infected tissue and promote healing.
  • Necrotic bone tissue - The presence of dead or devitalized bone tissue due to infection that requires excision to prevent further complications.
  • Soft tissue sinus tracts - The existence of abnormal channels or tracts in the soft tissue that may be associated with the infection, which need to be resected during the procedure.

2. Procedure

The procedure for CPT® Code 24145 involves several critical steps to ensure effective treatment of osteomyelitis. Each step is designed to address the infection and promote healing:

  • Step 1: Incision - The surgeon begins by making an incision in the skin over the site of the osteomyelitis, carefully extending through the soft tissue to gain access to the underlying bone.
  • Step 2: Resection of Soft Tissue - Any soft tissue sinus tracts and devitalized soft tissue are resected to create a clean surgical field, which is essential for effective treatment and healing.
  • Step 3: Exposure of Infected Bone - The area of necrotic and infected bone is exposed, allowing the surgeon to assess the extent of the infection and plan for the removal of affected tissue.
  • Step 4: Drilling and Excavation - A series of drill holes are made in the infected bone, and the bone between these holes is excavated using an osteotome to create an oval window. This step is crucial for removing the infected bone while preserving as much healthy bone as possible.
  • Step 5: Debridement - The surgeon continues to debride the area, using a curette to remove any remaining devitalized tissue from the medullary canal until punctate bleeding is observed, indicating that healthy bone has been reached.
  • Step 6: Irrigation - Once all infected and necrotic tissue has been removed, the surgical wound is copiously irrigated with sterile saline or an antibiotic solution to reduce the risk of postoperative infection.
  • Step 7: Closure - The surgical wound is then loosely closed, and a drain is placed to allow for any necessary drainage of fluids postoperatively.

3. Post-Procedure

After the completion of the procedure, the patient will require careful monitoring and postoperative care. The surgical site should be observed for signs of infection, and the drain will facilitate the removal of any excess fluid that may accumulate. Pain management will be an important aspect of recovery, and the patient may be prescribed analgesics as needed. Follow-up appointments will be necessary to assess healing and ensure that the infection has been adequately addressed. Rehabilitation may also be recommended to restore function and strength to the affected area, depending on the extent of the surgery and the patient's overall condition.

Short Descr PRTL EXC BONE RADIAL H/N
Medium Descr PARTIAL EXCISION BONE RADIAL HEAD/NECK
Long Descr Partial excision (craterization, saucerization, or diaphysectomy) bone (eg, osteomyelitis), radial head or neck
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) 1 - Statutory payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 1 - Co-surgeons could be paid, though supporting documentation is required...
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 142 - Partial excision bone
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.
F7 Right hand, third digit
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)
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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2023-01-01 Note Short description changed.
Pre-1990 Added Code added.
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