Bone biopsy trocar/ndl supfc

CPT code 20220 covers a bone biopsy performed using a trocar or needle to collect a small sample of bone tissue from a superficial (near the surface) location. This is a diagnostic procedure used to identify infections, tumors, or other bone abnormalities.

Showing rates for

National Average

Base Medicare rate

$219.96

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

1.65

PE RVU (NF)

4.99

MP RVU

0.16

Total RVU

6.8

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

NCCI bundling edits

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Billing tips

Verify place of service code accuracy - POS 22 (outpatient hospital) triggers facility rate of $83.78 while POS 11 (office) triggers non-facility rate of $219.96
Impact: $136.18 payment difference based solely on POS code; incorrect POS is a leading cause of overpayment recovery audits for this code
Bill imaging guidance separately when performed - if fluoroscopy (77002) or CT guidance (77012) is used, document and bill separately as these are not bundled with 20220
Impact: Additional $50-150 in reimbursement when imaging guidance is properly documented and billed; requires separate documentation of medical necessity for guidance
Document the specific bone biopsied and depth - superficial designation in 20220 is critical; deeper biopsies may qualify for higher-paying codes (20225 for deep biopsy)
Impact: Using 20225 instead of 20220 when appropriate increases reimbursement by approximately 30-40%; misclassification can result in underpayment or audit risk
Capture pathology interpretation separately - the surgical pathology exam (88305 for bone biopsy) is separately billable by the pathologist and should not be overlooked in facility coding
Impact: While not affecting surgical reimbursement, ensures complete revenue capture for facility; pathology adds $100-200 to total procedure revenue
Use diagnosis codes that support medical necessity - link to specific findings (e.g., D49.2 for neoplasm of unspecified behavior, M86.9 for osteomyelitis) rather than vague symptom codes
Impact: Reduces denial rate by 40-60%; payers frequently deny based on insufficient medical necessity when only symptom codes are used

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 20220 in 2025?

The 2025 Medicare national average reimbursement for CPT 20220 is $219.96 in non-facility settings and $83.78 in facility settings. The significant difference reflects the overhead costs absorbed by office-based practices versus hospital outpatient departments. Actual payment may vary by geographic locality using the GPCI adjustment factor.

What is the difference between CPT 20220 and 20225?

CPT 20220 is for superficial bone biopsy using a trocar or needle, while CPT 20225 is for deep bone biopsy. Superficial bones include those close to the skin surface (iliac crest, sternum, tibia), whereas deep bones require penetration through significant soft tissue (vertebral body, pelvis). The distinction affects reimbursement, with 20225 paying higher rates due to increased complexity and risk.

Can I bill an E/M code with CPT 20220 on the same day?

Yes, you can bill an E/M service with CPT 20220 on the same day if the evaluation represents a separately identifiable service beyond the decision to perform the biopsy. Append modifier 25 to the E/M code and ensure documentation clearly distinguishes the evaluation from the pre-procedural assessment. The E/M should address issues separate from the biopsy indication or represent significant assessment beyond typical pre-procedure evaluation.

What RVU value is assigned to CPT 20220 for 2025?

CPT 20220 has a total RVU of 6.8 for 2025, consisting of 1.65 work RVU, 4.99 non-facility practice expense RVU (0.78 facility PE RVU), and 0.16 malpractice RVU. These values are multiplied by the 2025 conversion factor of 32.3465 to calculate Medicare payment rates.

Does CPT 20220 include imaging guidance?

No, CPT 20220 does not include imaging guidance. If fluoroscopy, CT, or ultrasound guidance is used to perform the bone biopsy, you should bill the appropriate imaging guidance code separately (77002 for fluoroscopy, 77012 for CT, 76942 for ultrasound). Documentation must support the medical necessity of imaging guidance and describe how it was used during the procedure.

What diagnosis codes support medical necessity for CPT 20220?

Common supporting diagnosis codes include D49.2 (neoplasm of unspecified behavior of bone), M86.9 (osteomyelitis), C79.51 (secondary malignant neoplasm of bone), M85.50 (aneurysmal bone cyst), and D16.9 (benign neoplasm of bone). The diagnosis should reflect a specific clinical indication requiring tissue sampling, not just vague symptoms. Abnormal imaging findings (R93.7) alone may not be sufficient without clinical correlation.

How many times can CPT 20220 be billed in one session?

CPT 20220 can be billed multiple times in one session when biopsies are performed on distinctly different anatomic sites or bilaterally, but requires appropriate modifier use. Use modifier 50 for bilateral procedures on mirror-image sites, modifier 59 or XS for separate anatomic locations, and modifier 76 for repeat attempts at the same site. Each unit must be supported by separate documentation and medical necessity. Most payers limit reimbursement to 2-3 units per session without additional justification.