Removal of rib and nerves
CPT 21616 covers the surgical removal of a rib along with associated nerves, typically performed to treat chronic pain conditions or thoracic outlet syndrome.
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
Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High
NCCI bundling edits
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Billing tips
Document both rib removal AND nerve removal explicitly in operative report
Impact: Failure to document nerve component can result in downcoding to simpler rib resection codes (21615) with $150-200 lower reimbursement
Verify medical necessity with diagnosis codes for intercostal neuralgia (G58.0), thoracic outlet syndrome (G54.0), or specific rib pathology
Impact: Improper diagnosis linking causes 35-40% of initial denials; ensures $692.54 full reimbursement
When performed with thoracic outlet decompression, carefully document separate anatomical sites if billing additional codes
Impact: Proper use of modifier 59 can preserve additional $400-800 in reimbursement for concurrent procedures
Bill facility and anesthesia services separately; 21616 is surgeon fee only
Impact: Facility fees typically add $3,000-8,000 depending on ASC vs hospital setting; ensure coordination to maximize total reimbursement
For modifier 22 claims, submit comparison of typical versus actual procedure time and detailed complexity explanation
Impact: Well-documented modifier 22 can increase reimbursement by $140-210 (20-30% increase) for qualifying cases
Confirm global period (90 days) and avoid unbundling postoperative visits
Impact: Inappropriate billing of routine follow-ups can trigger audits and recoupment of $100-300 in E/M services
Common denials
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