Lateral canthopexy
CPT 21282 covers lateral canthopexy, a surgical procedure to tighten and reposition the outer corner of the eyelid. This procedure is performed to correct eyelid laxity, malposition, or to provide support after reconstructive surgery.
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
Document medical necessity thoroughly, distinguishing functional correction from cosmetic enhancement. Include visual field testing, photographs of eyelid laxity, and documentation of symptoms like epiphora, irritation, or exposure
Impact: Prevents denial of entire $391.72 claim; medical necessity documentation is the leading cause of denials for eyelid procedures
Use anatomical eyelid modifiers (E1-E4) consistently throughout claim and operative report. Specify laterality even for unilateral procedures to prevent processing delays
Impact: Reduces claim rejections by 30-40% and prevents requests for additional documentation that delay payment by 30-60 days
When billing with blepharoplasty (15820-15823) or other eyelid repairs, carefully document that 21282 addresses a distinct anatomical problem (canthal tendon laxity) separate from excess skin or other pathology
Impact: Prevents bundling denials; proper documentation can preserve 50% payment ($195.86) for 21282 when billed as secondary procedure with modifier 51
For bilateral procedures, verify payer-specific policy on modifier 50 versus two line items with RT/LT modifiers. Some payers require separate lines with eyelid modifiers
Impact: Correct modifier strategy can mean difference between receiving $587.58 (proper bilateral billing) versus $391.72 (denied second side)
Bill on the date of service performed, not the date of initial consultation. Ensure pre-authorization is obtained when required by commercial payers (typically not required for Medicare)
Impact: Pre-authorization compliance prevents 100% claim denial; affects full $391.72 payment plus any related procedures
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.