Exc sacral pr ulc prim sutr
CPT 15931 covers surgical removal of a pressure ulcer (bedsore) over the tailbone area, where the surgeon cuts out the damaged tissue and stitches the wound closed directly without using skin grafts or flaps.
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 exact ulcer dimensions (length, width, depth in cm) and stage (III or IV) in operative report to justify 15931 rather than simpler debridement codes
Impact: Prevents downcoding to 11042-11047 debridement codes worth $72-$340, protecting the full $692.86 reimbursement
Clearly document that closure was PRIMARY (direct suturing) rather than requiring skin grafts, muscle flaps, or secondary healing to differentiate from 15933-15937
Impact: Prevents confusion with higher-complexity codes (15933: $1,100+) or incorrect bundling denials
Bill facility vs non-facility based on site of service; both rates are identical at $692.86 for 15931, but verify place of service code matches claim form
Impact: Ensures clean claims processing; incorrect POS codes trigger automatic denials requiring resubmission
Append modifier 22 with detailed operative note and cover letter when ulcer exceeds 10cm in any dimension or requires extensive undermining closure
Impact: Can increase reimbursement by $138-$208 (20-30%) with proper documentation of significantly increased complexity
Verify pressure ulcer ICD-10 code specifies sacral location (L89.15x series) and stage; non-specific codes trigger medical review
Impact: Prevents payment delays from ADR (Additional Documentation Requests) that average 30-45 day hold on payment
Do not bundle with same-day ostomy care, wound VAC placement, or separately identifiable E/M unless modifier 25 clearly documents distinct service
Impact: Prevents $100-$250 in bundled denials for separately billable services performed same day
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