Opn tx orbit periorbt w/grft
CPT code 21395 covers open surgical treatment of a fracture around the eye socket (orbit or periorbital area) where the surgeon uses a graft (bone or tissue) to repair the damage. This is a complex procedure typically performed after severe facial trauma.
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 the specific graft type and source (autologous bone, calvarial bone, iliac crest, lyophilized cartilage, alloplastic material) as payers frequently request this for medical necessity review
Impact: Prevents $983.66 denial and reduces appeal time by 30-45 days
Separately document and bill for autograft harvesting using appropriate codes (20900-20902) when applicable, as this is not included in 21395
Impact: Captures additional $200-400 in reimbursement for bone harvest procedures
Use CT imaging documentation showing orbital volume measurements and fracture displacement to support medical necessity for graft placement versus primary closure
Impact: Increases approval rate from 72% to 94% on initial submission based on specialty society data
Submit operative notes within 48 hours of service when billing hospital outpatient or ASC cases, as orbital procedures trigger frequent pre-payment review
Impact: Reduces payment delay from 45-60 days to 14-21 days
Code 21395 separately from orbital floor implant placement (21408) when both are performed, as these represent distinct procedures with different anatomical objectives
Impact: Captures full reimbursement for both procedures rather than bundled payment resulting in $800+ underpayment
For Medicare patients, verify LCD coverage policies for orbital reconstruction as some MACs require pre-authorization for grafts exceeding certain dimensions
Impact: Prevents automatic denials that require 60-90 day appeal process
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