Bone biopsy trocar/ndl deep

CPT 20225 covers a deep bone biopsy performed using a trocar or needle to extract bone tissue from deeper structures in the body for diagnostic testing. This is typically done when a physician needs to determine if bone disease, infection, or cancer is present.

Showing rates for

National Average

Base Medicare rate

$358.40

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

2.45

PE RVU (NF)

8.38

MP RVU

0.25

Total RVU

11.08

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Verify and correctly report place of service (POS) code, as the reimbursement difference between non-facility (POS 11) and facility settings (POS 22, 24) is $233.87
Impact: Incorrect POS coding can result in underpayment of $233.87 per procedure or overpayment triggering recoupment
Do not bill imaging guidance codes (77002, 77012, 77021) separately unless performed by a different physician, as many payers consider imaging inherent to the bone biopsy when performed by the same provider
Impact: Unbundling imaging can trigger denials and audit flags; verify payer-specific policies before billing separately
Document the specific depth and anatomic location of the biopsy site clearly to differentiate from CPT 20240 (superficial) which reimburses significantly less
Impact: Lack of depth documentation may result in downcoding from 20225 ($358.40) to 20240 ($184.47), a loss of $173.93 per procedure
When performing multiple biopsies at different anatomic sites during the same session, append modifier 59 to the second and subsequent procedures to avoid bundling
Impact: Proper use of modifier 59 can secure payment for additional sites; improper use risks audit and recoupment
Separately bill and document moderate sedation (99151-99153) when provided and not included in the facility fee, as conscious sedation is often medically necessary for deep bone biopsies
Impact: Moderate sedation can add $75-150 in additional reimbursement when properly documented with time and monitoring records
Ensure pathology consultation is billed separately by the pathologist (88305 or higher depending on specimen complexity); this is not included in CPT 20225

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 20225 in 2025?

The 2025 Medicare national average reimbursement for CPT 20225 is $358.40 in non-facility settings and $124.53 in facility settings. The total RVU is 11.08 (Work RVU 2.45, Non-Facility PE RVU 8.38, Facility PE RVU 1.15, MP RVU 0.25) with a conversion factor of 32.3465.

What is the difference between CPT 20225 and 20240?

CPT 20225 is for deep bone biopsy using trocar or needle, accessing structures like the pelvis, spine, or proximal femur through significant soft tissue. CPT 20240 is for superficial bone biopsy of easily accessible bones like the iliac crest approached directly without deep dissection. The depth of approach and anatomic location determine the appropriate code, with 20225 reimbursing significantly higher.

Can I bill imaging guidance separately with CPT 20225?

This depends on payer policy and who performs the imaging. Many payers consider fluoroscopic or CT guidance (77002, 77012, 77021) bundled when the same physician performs both services. If a different physician provides imaging guidance, it may be billed separately. Always verify payer-specific bundling edits and use modifier 59 appropriately when policies allow separate billing.

What documentation is required to support medical necessity for CPT 20225?

Required documentation includes pre-procedure imaging (X-ray, CT, MRI, or bone scan) showing an abnormal lesion requiring tissue diagnosis, clinical indication explaining why biopsy is necessary (suspected malignancy, infection, metabolic disease), differential diagnosis, and why non-invasive testing is insufficient. The operative report must detail the deep anatomic approach and specific location biopsied.

Which medical specialties typically bill CPT 20225?

CPT 20225 is commonly billed by orthopedic surgeons, interventional radiologists, musculoskeletal radiologists, and surgical oncologists. It may also be performed by rheumatologists, infectious disease specialists with procedural training, and other physicians with appropriate credentials and privileges for invasive bone procedures.

How do I bill for bilateral deep bone biopsies?

For bilateral deep bone biopsies performed during the same session (e.g., both iliac crests), bill CPT 20225 with modifier 50. Most payers reimburse bilateral procedures at 150% of the single procedure rate. Alternatively, some payers require billing 20225 twice with RT and LT modifiers. Verify payer-specific bilateral billing requirements.

What are common reasons for CPT 20225 claim denials?

Common denials include insufficient medical necessity documentation, downcoding to CPT 20240 due to inadequate depth documentation, bundling with imaging guidance codes, denial of repeat biopsies without justification, and incorrect place of service coding. Proper documentation of deep anatomic approach, pre-procedure imaging findings, and clinical indication prevents most denials.