Tangntl bx skin single les
CPT code 11102 covers a tangential skin biopsy of a single lesion, where the provider shaves or slices off a thin layer of skin tissue from the surface for laboratory examination.
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
Choose non-facility setting when possible—bill in your office rather than hospital outpatient department
Impact: $59.52 additional reimbursement per procedure (164% increase from $36.23 to $95.75)
Bill only one unit of 11102 for the first lesion; use add-on code 11103 for each additional lesion biopsied during same session
Impact: Incorrect use of multiple 11102 units triggers automatic denial; proper use of 11103 ensures payment for all lesions
Document medical necessity with specific lesion characteristics (size, color, borders, symptoms, changes) and differential diagnosis in procedure note
Impact: Reduces denial rate by 40-60% for cosmetic appearance denials; essential for LCD compliance in all Medicare jurisdictions
Link appropriate ICD-10 diagnosis codes indicating suspicion or need for diagnosis—avoid benign diagnosis codes when billing for biopsy
Impact: Using definitive benign codes (L82.1) before pathology results increases denial risk; use symptom codes (R22.9) or 'lesion NOS' codes instead
Verify LCD requirements for your MAC—some require specific documentation of ABCDE criteria or photographic evidence for suspected melanoma
Impact: Non-compliance with local coverage determinations results in denials that cannot be appealed on medical necessity grounds
When billing with modifier 25 for E/M service, ensure E/M documentation clearly shows separate decision-making beyond the biopsy procedure itself
Impact: Modifier 25 claims face 15-25% higher audit rates; insufficient separation results in E/M denial averaging $75-150 per claim
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