Replantation digit complete
CPT 20822 covers the complete surgical replantation of a severed digit (finger or toe), including reattachment of bone, tendons, nerves, and blood vessels. This is an emergency microsurgical procedure to restore function and appearance after traumatic amputation.
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 all structures repaired individually (specific arteries, veins, nerves, tendons, and bone fixation method) rather than general statements about replantation
Impact: Reduces audit risk and supports modifier 22 when applicable; can justify 20-50% increase ($347-$867 additional) in complex cases
Use digit-specific anatomical modifiers (FA-F9, TA-T9) rather than just RT/LT to specify exact digit replanted and avoid bundling issues with multiple digits
Impact: Ensures full payment for multiple digit replantations; prevents automatic denials or downcoding worth $1734.42 per additional digit
Document warm and cold ischemia times, mechanism of injury, and condition of amputated part to support medical necessity and complexity
Impact: Critical for audit defense and supports the 26.66 work RVUs assigned; prevents post-payment recovery actions
Bill facility and professional components separately in hospital settings; surgeon bills professional component with code 20822 without modifier 26
Impact: Ensures proper payment of $1734.42 for professional services; facility bills separately for surgical supplies and OR time
Do not unbundle tendon repairs, nerve repairs, or vessel anastomoses performed as integral parts of complete replantation
Impact: Prevents claim denials and potential fraud allegations; attempting to bill separately could trigger comprehensive audits
For revision procedures within 90-day global period, determine if procedure is staged/planned (modifier 58) versus complication (modifier 78)
Modifier 58 allows full payment while modifier 78 reduces payment significantly; correct modifier selection affects whether full $1734.42 is received
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