Summary & Overview
CPT 20225: Deep Bone Biopsy, Needle or Trocar
CPT code 20225 represents a percutaneous deep bone biopsy performed with a needle or trocar to obtain bone tissue for laboratory analysis. This procedure is clinically important for diagnosing bone infections, primary or metastatic malignancies, and certain metabolic or infiltrative bone disorders. Nationally, the code captures imaging- and procedure-dependent work that typically occurs in hospital outpatient departments, inpatient settings, and ambulatory surgery centers.
Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines payer coverage considerations, common billing modifiers, and operational benchmarks relevant to facilities and clinicians who perform deep bone biopsies.
Readers will find: an explanation of the clinical context and service setting for CPT code 20225; typical site-of-service and resource implications; an overview of common modifiers used for procedural billing; and a summary of what to expect from major payers and Medicare regarding claim processing and documentation expectations. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 20225 describes a deep bone biopsy procedure in which the provider extracts bone tissue samples from a deep skeletal site (for example, a vertebra or femur) using a needle or trocar. The specimen is submitted for laboratory analysis to evaluate for bone disease, such as infection, malignancy, or metabolic bone disorders.
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Service type: Percutaneous deep bone biopsy (needle or trocar extraction)
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Typical site of service: Hospital inpatient, hospital outpatient department, ambulatory surgery center, or other procedural setting capable of imaging guidance and sterile deep-tissue procedures
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult referred to interventional radiology or orthopedic oncology for evaluation of a suspicious lytic or sclerotic bone lesion identified on radiographs, CT, or MRI. The patient presents with focal bone pain, progressive localized tenderness, or an incidental imaging abnormality without a clear benign etiology. Pre-procedure workflow includes clinical evaluation, review of prior imaging, informed consent, coagulation assessment, and review of indications such as suspected metastatic disease, primary bone tumor, osteomyelitis, or unexplained bone lesion.
The procedure is performed under image guidance (CT or fluoroscopy) or palpation for accessible sites, often using local anesthesia with conscious sedation or monitored anesthesia care depending on lesion location and patient factors. A core needle or trocar is advanced into the deep bone (for example, vertebral body or proximal femur) to obtain multiple core samples. Specimens are sent to pathology for histology, microbiology, and/or molecular testing. Post-procedure care includes hemostasis, wound care, observation for complications (bleeding, infection, fracture), and instructions for activity limitation. Results direct further management such as oncology referral, orthopedic stabilization, antimicrobial therapy, or additional diagnostic testing.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Office or other outpatient visit | Use when the procedure is billed by the performing physician as the primary service in an outpatient setting and modifier is required by payer to indicate usual service. |
22 | Increased procedural services | Use when the biopsy required substantially greater work than typical because of complexity or unusual circumstances. |
23 | Unusual anesthesia | Use when general anesthesia is medically necessary but the procedure itself is normally performed with local or no anesthesia. |
26 | Professional component | Use when only the physician interpretation or professional component (for example, radiologist guiding a biopsy) is billed separately from technical services. |
50 | Bilateral procedure | Use when bilateral separate bone biopsies are performed and the payer accepts bilateral modifiers for these services. |
51 | Multiple procedures | Use when a bone biopsy is performed in the same session with other distinct procedures and the payer requires reporting of reduced payment for additional procedures. |
52 | Reduced services | Use if the biopsy was started but not completed or was performed in a reduced manner. |
53 | Discontinued procedure | Use when the biopsy is terminated due to patient status or safety concerns prior to completion. |
62 | Two surgeons | Use when two surgeons with different specialties perform distinct portions of the procedure requiring co-surgery reporting. |
76 | Repeat procedure by same physician | Use when the same physician repeats the biopsy in the postoperative period or same encounter due to inadequate initial sampling. |
78 | Return to operating/procedure room for a related procedure during postoperative period | Use if the patient needs an urgent return to procedural suite for a complication related to the biopsy. |
80 | Assistant surgeon | Use when an assistant surgeon performs part of the procedure and payer requires assistant surgeon reporting. |
91 | Repeat clinical diagnostic laboratory test (Note: not in provided list) | Data not available in the input. |
LT | Left side | Use to designate left-sided procedures when laterality is required by the payer. |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
| 207RC0000X | Radiology, Diagnostic | Interventional radiologists frequently perform image-guided bone biopsies. |
| 207XS0127X | Radiology, Interventional | Physicians specializing in image-guided musculoskeletal interventions. |
| 2080P0003X | Orthopedic Surgery | Orthopedic surgeons perform biopsies of appendicular skeleton or vertebral biopsy in select cases. |
| 2084P0800X | Hematology & Oncology | Hematologist/oncologists request and interpret biopsy results for marrow/osseous malignancies. |
| 207K00000X | Diagnostic Radiology | General diagnostic radiologists may perform or interpret image guidance for biopsy. |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
C79.5 | Secondary malignant neoplasm of bone and bone marrow | Common indication when metastatic disease to bone is suspected and tissue confirmation is needed. |
M84.55 | Pathological fracture, pelvis | Biopsy may be done to evaluate underlying tumor or infection causing pathological fracture. |
M86.20 | Osteomyelitis, unspecified, unspecified site | Indication for bone biopsy to obtain cultures and direct antimicrobial therapy. |
C41.9 | Malignant neoplasm of bone and articular cartilage, unspecified | Primary bone tumor suspected; biopsy required for histologic classification and staging. |
M80.08XA | Age-related osteoporosis with current pathological fracture, vertebrae, initial encounter | Biopsy may be used when atypical imaging suggests alternative diagnosis such as malignancy rather than osteoporosis. |
R94.31 | Abnormal results of bone scan | Abnormal bone scan prompting targeted biopsy of suspicious lesion. |
M85.8 | Other specified bone disorders | Miscellaneous bone pathology where tissue diagnosis guides management. |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
20225 | Biopsy, bone, deep, trocar, or core; major bone (e.g., pelvis, vertebra, scapula, clavicle) | Primary procedure for obtaining core bone tissue from deep skeletal sites for histologic diagnosis. |
77012 | Computed tomography guidance for needle placement (eg, biopsy, aspiration, localization device), imaging supervision and interpretation | Performed when CT guidance is used to localize and guide the needle for a deep bone biopsy. |
76937 | Ultrasound guidance for percutaneous needle placement | Used when ultrasound guidance assists needle placement for accessible bone lesions. |
20610 | Arthrocentesis, aspiration and/or injection; major joint or bursa (e.g., shoulder, hip) | May be performed in the same session if joint aspiration is clinically indicated or to rule out septic arthritis adjacent to a bone lesion. |
20220 | Biopsy, bone, trocar, or needle; superficial (e.g., iliac crest, tibia) | Related when a superficial bone biopsy is performed instead of or prior to a deep bone biopsy. |
88305 | Level IV surgical pathology, gross and microscopic examination | Typical pathology CPT for evaluation of core biopsy specimens and histopathologic diagnosis. |