2025 CPT code 25150

Partial excision (craterization, saucerization, or diaphysectomy) of bone (e.g., for osteomyelitis); ulna.

Follow CPT guidelines for musculoskeletal surgery.Proper documentation is critical for accurate coding and reimbursement.

Modifiers may be applicable depending on the circumstances of the procedure, such as modifier 51 for multiple procedures, 76 for repeat procedure, or 54 for surgical care only.Consult the CPT manual for detailed modifier guidelines.

Medical necessity is established by the presence of a documented bone lesion requiring partial excision for symptom relief (pain, limited range of motion, etc.), or treatment of disease (osteomyelitis) to prevent further complications. Appropriate diagnostic imaging is required to confirm the diagnosis and extent of the lesion.

The physician or qualified healthcare professional performs the excision of the diseased bone. This includes administering anesthesia, prepping and draping the surgical site, making the incision, exposing the bone, excising the diseased tissue, and closing the wound.They may also order pathology testing on the excised tissue.

IMPORTANT For partial excision of bone at the head or neck of the radius or olecranon process, see 24145, 24147.

In simple words: The doctor removes a small piece of bone, creating a shallow, cup-shaped area, to treat a bone infection or other bone problem in the forearm (ulna). This might involve a small cut, removing the damaged bone, and then closing the cut.

Partial excision of bone, creating a crater-like depression or excavation, for conditions such as osteomyelitis.The procedure involves an incision over the affected ulna, reflecting skin and subcutaneous tissue to expose the bone.Diseased bone tissue is excised using instruments like an osteotome, creating a depression which may be smoothed. The excised bone may be sent for pathological examination. The wound is then closed in layers.

Example 1: A patient presents with chronic osteomyelitis of the ulna.The surgeon performs a partial excision of the infected bone to remove the diseased tissue, promoting healing and preventing further spread of the infection.Post-operative care is provided., A patient sustains a fracture of the ulna with associated bone damage.The surgeon performs a partial excision to remove the damaged section, followed by appropriate fixation, to restore structural integrity and facilitate healing. Post-operative care includes monitoring for infection., A patient experiences pain and limited range of motion secondary to a benign bone spur on the ulna. The surgeon performs a partial excision to remove the spur, thereby relieving pain and improving function. Pain management and physical therapy are prescribed post operatively.

** The size and location of the bony lesion are important considerations for determining the appropriate code.The use of an osteotome is a common but not exclusive method for bone excision.Other instruments might be employed depending on the specifics of the procedure.

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