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SpecialistBase2026 Compliant

CPT 20611

2026 Billing Guide

Arthrocentesis Major Jt w/US

Reimbursement

$50.77

Threshold

N/A

2026 Status

Active

What is CPT Code 20611?

CPT 20611 is defined as: Arthrocentesis, aspiration, and/or injection of a major joint or bursa (e.g., shoulder, hip, knee joint, or subacromial bursa) performed with ultrasound guidance. This procedure includes the permanent recording and reporting of the ultrasound images. It is used to drain fluid (aspiration) for diagnostic purposes or to inject therapeutic agents (e.g., corticosteroids, viscosupplementation) to treat inflammation and pain.

This code is primarily used for Specialist services. It falls under the category of Surgery / Musculoskeletal System and is valid for the 2026 calendar year according to the CMS Physician Fee Schedule.

2026 RVU Components

Relative Value Units (Non-Facility)

Standard Formula Applied

Work RVU

0.95

Physician Effort

PE (Non-Fac)

0.5

Practice Expense

Malpractice

Risk Factor

Total RVU

1.52

Note: [(Work RVU * Work GPCI) + (PE RVU * PE GPCI) + (MP RVU * MP GPCI)] * Conversion Factor

2026 CMS Policy Intelligence

efficiency adjustment

Subject to -2.5% Efficiency Adjustment. CMS has reduced the Work RVU component, assuming that the widespread adoption of bedside ultrasound has made the procedure faster and more efficient for the physician.

conversion factor

Payments are based on the 2026 Non-QP rate of $33.40.

pe allocation

Independent clinics (POS 11) retain better margins than hospital-based settings due to the 2026 indirect cost redistribution.

Administrative Framework

Global Period

000 (0 Days)

Place of Service

11 (Office)22 (Outpatient Hospital)

NCCI Exclusions

Do not bill with:20610769427700299211-99215

Key Modifiers

25Significant, separately identifiable E/M service. Required if the decision to inject/aspirate is made during the encounter.
50Bilateral procedure. Append if major joints on both sides (e.g., both knees) are treated.

Operational Requirements

ultrasound bundling

CPT 20611 includes ultrasound guidance. Do NOT bill 76942 separately. If ultrasound is not used, bill 20610 instead.

image archiving

Permanent recording of the ultrasound images is required for billing 20611. Failure to archive images may result in a downgrade to 20610 during an audit.

drug billing

Therapeutic agents (e.g., Hyalgan, Synvisc, Steroids) are not included and must be billed using the appropriate J-code.

report requirement

The procedure note must include a specific description of the ultrasound findings and the needle placement.

Compliance Checklist

Detailed time tracking (cumulative for the month).
Specific clinical decision-making documentation.
Electronic care plan availability and access log.

Audit Defense

No specific audit defense elements defined.

2026 Update

Work RVU reduced by 2.5% efficiency adjustment. Do not bill 76942 with this code.

Common Clinical Scenarios

No clinical examples provided.

Target Specialties & Utilization

OrthopedicsRheumatologyPain Management

Typical Clinical Indications (ICD-10)

M17.11 (Unilateral primary osteoarthritis, right knee)M75.51 (Bursitis of right shoulder)M16.11 (Unilateral primary osteoarthritis, right hip)

Frequently Asked Questions

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CPT Code 20611 for Arthrocentesis Major Jt w/US - 2026 Reimbursement & Rules