Remove cartilage for graft
CPT code 20910 covers the surgical removal of cartilage from one part of the body to be used as a graft in another area, such as taking cartilage from a rib to repair a nose or ear.
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
Loading bundling edits…
Billing tips
Bill 20910 separately from the primary reconstruction code (e.g., rhinoplasty 30400-30420) and ensure operative report clearly documents both donor and recipient sites with separate time allocation
Impact: Prevents bundling denials that would result in loss of $475.17 reimbursement; approximately 30-40% of claims denied when documentation doesn't clearly separate procedures
Document the specific anatomic donor site (costal cartilage ribs 6-8, auricular concha, nasal septum) and dimensions of cartilage harvested to support medical necessity
Impact: Reduces medical necessity denials by 60-70%; clear anatomic documentation supports both 20910 and prevents downcoding to simpler tissue harvest codes
When harvesting rib cartilage, photograph or document chest wall closure separately and note any intercostal dissection to justify work RVU of 5.53
Impact: Supports modifier 22 appeals when appropriate, potentially increasing reimbursement by $95-$237 for unusually complex harvests
Verify that 20910 is not bundled with specific reconstruction codes in NCCI edits before billing; check quarterly updates as edits change
Impact: Prevents automatic denials; NCCI violations result in immediate claim rejection and delayed payment cycles of 30-60 days for resubmission
For ASC settings, confirm facility and professional components are billed correctly as both facility and non-facility rates are identical at $475.17 for 2025
Impact: While rates are equal for 20910, proper place of service coding ensures clean claims processing and avoids MAC audits
When billing with modifier 51, ensure 20910 is sequenced after the primary procedure code to maximize total reimbursement under multiple procedure payment reduction rules
Real billers contribute denial patterns and appeal strategies for this code. Once 5+ reports come in, you’ll see live aggregated data here — the only place this exists, free.
Get the free Revenue Protection Toolkit — the denial triggers, modifier pitfalls, and bundling conflicts that quietly cost you reimbursement. Instant download.
Help build the field knowledge
MedPayIQ gets smarter as billers contribute. If you've had this code denied, share what happened so others learn from it. Anonymous, no patient info.