CPT 10008Surgery

Fna bx w/fluor gdn ea addl

CPT 10008 covers each additional fine needle aspiration (FNA) biopsy performed using real-time fluoroscopic (X-ray) guidance, used when multiple tissue samples are needed from different locations during the same procedure.

Showing rates for

National Average

Base Medicare rate

$137.47

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

1.18

PE RVU (NF)

2.91

MP RVU

0.16

Total RVU

4.25

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

NCCI bundling edits

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Billing tips

Verify accurate place of service coding - facility vs non-facility designation dramatically impacts reimbursement
Impact: $87.33 difference per unit between non-facility ($137.47) and facility ($50.14) settings
Always bill 10008 in conjunction with primary code 10007; CPT 10008 is an add-on code and will deny if submitted alone
Impact: Prevents 100% denial and resubmission delays; clean claim on first submission
Document each anatomically distinct site separately with precise anatomical location and clinical rationale for multiple samplings
Impact: Supports payment for multiple units; each additional unit pays $137.47 non-facility when properly documented
Report total number of additional sites sampled; if 3 total sites were biopsied, bill 10007 x1 and 10008 x2
Impact: Maximum reimbursement: proper unit reporting can yield $274.94 additional revenue for 2 add-on sites in non-facility setting
Submit fluoroscopic imaging supervision and interpretation codes separately when physician performs and interprets the imaging component
Impact: Additional revenue opportunity; imaging S&I codes are separately billable and not bundled with 10008
Ensure pathology requisitions match the number of billable sites; cytopathology codes should align with number of FNA sites billed
Impact: Prevents audit red flags and supports medical necessity during retrospective review

Common denials

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 10008 in 2025?

The 2025 Medicare national average reimbursement for CPT 10008 is $137.47 in the non-facility setting and $50.14 in the facility setting. These rates reflect the CMS Physician Fee Schedule with conversion factor 32.3465.

Can CPT 10008 be billed alone or does it require a primary code?

CPT 10008 is an add-on code and cannot be billed alone. It must be reported in conjunction with primary code 10007 (FNA biopsy with fluoroscopic guidance, first lesion). Billing 10008 without 10007 will result in automatic denial.

How many times can I bill CPT 10008 for the same patient on the same day?

You can bill CPT 10008 multiple times per session based on the number of additional distinct anatomical sites sampled beyond the first (which is reported with 10007). Each additional separate site warrants one unit of 10008. Use modifier 59 or XS when billing multiple units to indicate distinct sites.

What is the difference between CPT 10007 and 10008?

CPT 10007 represents the first fine needle aspiration biopsy performed with fluoroscopic guidance, while CPT 10008 represents each additional FNA biopsy site performed during the same session. 10007 is the primary code; 10008 is the add-on code for subsequent sites.

Do I need modifier 59 when billing multiple units of CPT 10008?

Yes, when billing multiple units of 10008, append modifier 59 or preferably XS to the second and subsequent units to indicate each represents a distinct separate anatomical structure. This prevents bundling denials and supports payment for multiple sites sampled during the same procedure session.

What documentation is required to support billing CPT 10008?

Required documentation includes confirmation that 10007 was performed, specific anatomical location of each additional site, confirmation of fluoroscopic guidance, number of needle passes per site, medical necessity for sampling multiple sites, separate specimen labeling, and imaging findings supporting multiple distinct lesions.

Why is there such a large payment difference between facility and non-facility settings for CPT 10008?

The $87.33 difference reflects practice expense RVUs. In non-facility settings (PE RVU 2.91), the provider owns and maintains the fluoroscopic equipment and supplies. In facility settings (PE RVU 0.21), the hospital owns the equipment, so physician reimbursement only covers professional services, resulting in the lower $50.14 rate.