CPT 13160Surgery

Sec clsr surg wnd/dehsn xtn

CPT 13160 covers secondary closure of a surgical wound that has reopened or a wound dehiscence in the trunk, arms, or legs. This involves reopening and re-closing a wound that failed to heal properly or came apart after initial surgery.

Showing rates for

National Average

Base Medicare rate

$780.20

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

Work RVU

12.04

PE RVU (NF)

10.02

MP RVU

2.06

Total RVU

24.12

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Clearly distinguish secondary closure (13160) from simple wound reclosure (12001-12021) by documenting layered closure, undermining, or extensive debridement
Impact: Difference of $650+ between 13160 ($780.20) and simple repair codes ($150-200); inadequate documentation commonly triggers downcoding
Verify timing and apply modifier 78 if within global period of original surgery; document whether dehiscence was complication or unrelated event
Impact: Modifier 78 reduces payment by approximately 30% ($234-260 reduction), while modifier 79 allows full $780.20 reimbursement
Document anatomic extent, depth of tissue involvement, and number of layers closed to support complexity and differentiate from intermediate repair codes
Impact: Prevents downcoding to intermediate repair codes (12031-12057) which reimburse $200-450, resulting in $330-580 loss
Bill same day as return to OR or separately if performed in emergency/urgent setting; use appropriate place of service code
Impact: Facility vs non-facility settings both pay $780.20 for 13160, but incorrect POS codes trigger denials and payment delays
Consider modifier 22 when multiple fascial layers, extensive undermining >5cm, or complex tissue rearrangement required; attach operative report
Impact: Successful modifier 22 appeals can increase payment 20-50% ($156-390 additional), but requires peer review and detailed justification
Do not bill separately for routine debridement included in secondary closure; only bill additional debridement codes (11042-11047) if extensive and separately documented
Unbundling denials result in recoupment; appropriate separate debridement billing can add $150-400 when properly documented as distinct service

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 13160 in 2025?

The 2025 Medicare national average reimbursement for CPT 13160 is $780.20 for both facility and non-facility settings. This is calculated using a work RVU of 12.04, total RVU of 24.12, and the 2025 conversion factor of 32.3465. Actual payments may vary based on geographic location and MAC-specific pricing adjustments.

What is the difference between CPT 13160 and simple wound repair codes?

CPT 13160 is for secondary closure of surgical wounds or dehiscence requiring complex techniques including layered closure, undermining, and debridement. Simple repair codes (12001-12021) cover superficial single-layer closures. Intermediate repairs (12031-12057) involve layered closure but not secondary procedures. The key distinction is that 13160 addresses previously closed wounds that have broken down, requiring more extensive work than primary closure.

Can I bill CPT 13160 with modifier 78 or 79 after the original surgery?

Yes. Use modifier 78 if the secondary closure addresses a complication of the original surgery during its global period (same surgeon). This reduces payment to approximately 70% of the full fee. Use modifier 79 if the secondary closure is for an unrelated condition during the global period, which allows full reimbursement. Documentation must clearly establish the relationship or lack thereof to the original procedure.

How many RVUs is CPT code 13160 worth?

CPT 13160 has a total RVU value of 24.12 for 2025, consisting of 12.04 work RVUs, 10.02 practice expense RVUs (both facility and non-facility), and 2.06 malpractice RVUs. This high work RVU reflects the complexity and time required for secondary wound closure procedures.

What documentation is required to bill CPT 13160 without denials?

Essential documentation includes: specific indication for secondary closure, anatomic location with measurements (length, width, depth), tissue layers involved and closed, debridement performed, closure technique with number of layers, extent of undermining if performed, and relationship to any prior surgery including global period status. Operative reports must clearly distinguish the complexity from simple wound repair to avoid downcoding.

What specialties typically bill CPT code 13160?

CPT 13160 is most commonly billed by general surgeons, plastic surgeons, orthopedic surgeons, trauma surgeons, and vascular surgeons. It is typically performed in hospital inpatient, hospital outpatient, or ambulatory surgery center settings. The procedure requires surgical privileges and is often performed in an operating room due to the complexity of secondary wound closure.

Can CPT 13160 be billed with debridement codes on the same date of service?

Routine debridement integral to the secondary closure is included in CPT 13160 and should not be separately billed. However, extensive debridement beyond what is typical for secondary closure, involving different tissue depths or significantly greater extent, may be separately billable using codes 11042-11047 with modifier 59. Documentation must clearly demonstrate the distinct nature and medical necessity of additional debridement work to avoid unbundling denials.