CPT 11005Surgery

Dbrdmt skin abdominal wall

CPT 11005 covers debridement of infected skin and tissue on the abdominal wall, a surgical procedure to remove dead, damaged, or infected tissue to promote healing and prevent the spread of infection.

Showing rates for

National Average

Base Medicare rate

$744.62

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

14.24

PE RVU (NF)

5.4

MP RVU

3.38

Total RVU

23.02

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

NCCI bundling edits

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Billing tips

Document total surface area debrided and depth of tissue planes involved in operative report
Impact: Prevents downcoding denials and supports medical necessity; inadequate documentation can result in denial of entire $744.62 claim
Bill subsequent debridement sessions with modifier 58 when staged approach documented in initial operative note
Impact: Ensures full $744.62 payment for each session rather than reduced payment with modifier 78, potentially $223.39 difference per session
Use CPT 11005 only for abdominal wall debridement; genitalia debridement uses different codes (11004, 11006)
Impact: Incorrect anatomic coding results in denial; proper code selection critical as genitalia codes have different RVU values
Append modifier 22 with detailed documentation when debridement exceeds 2 hours or involves unusual extent of necrosis
Impact: Can increase reimbursement by $149-$223 above base rate when properly documented and reviewed
Verify that wound VAC placement or dressing changes are not separately billable same day as 11005
Impact: Bundled services if billed separately will be denied; prevents claim rework and payment delays
For fascial debridement beyond skin/subcutaneous tissue, consider 11004 instead which includes deeper structures
Impact: CPT 11004 has higher RVUs (28.47 vs 23.02) and reimburses at $920.22, ensuring proper code maximizes legitimate reimbursement

Applicable modifiers

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 11005 in 2025?

The 2025 Medicare national average reimbursement for CPT 11005 is $744.62 for both facility and non-facility settings, based on 23.02 total RVUs and the conversion factor of 32.3465.

What is the difference between CPT 11005 and 11004?

CPT 11005 is for debridement of skin and subcutaneous tissue of the abdominal wall only, while CPT 11004 includes debridement of skin, subcutaneous tissue, muscle AND fascia of the abdominal wall. CPT 11004 has higher RVUs (28.47 vs 23.02) and reimburses at $920.22.

How many times can CPT 11005 be billed for the same patient?

CPT 11005 can be billed multiple times when staged debridements are medically necessary and documented. Use modifier 58 for planned staged procedures to receive full reimbursement for each session, or modifier 78 for unplanned return to OR (with reduced payment).

What documentation is required to bill CPT 11005?

Required documentation includes indication for debridement with diagnosis of necrotizing infection, specific anatomic location (abdominal wall), depth of tissue removal (skin/subcutaneous only), surface area debrided, tissue appearance, cultures if obtained, and wound management plan.

Can CPT 11005 be billed with a wound closure code on the same day?

Generally no, as CPT 11005 typically involves leaving wounds open for healing by secondary intention or delayed closure. If immediate closure is performed, it may indicate simpler debridement (11042-11047 series) is more appropriate, or modifier 59 may be needed to show distinct procedures.

What modifier should I use for repeat debridement of abdominal wall necrotizing fasciitis?

Use modifier 58 when the repeat debridement was planned or staged as documented in the initial operative note. This ensures full $744.62 payment. Use modifier 78 only for unplanned returns to OR during the global period, which results in reduced payment.

Is CPT 11005 only for hospital inpatient settings?

No, CPT 11005 can be performed in hospital inpatient, hospital outpatient, emergency department, or ambulatory surgery center settings. The 2025 Medicare reimbursement is $744.62 in both facility and non-facility settings with identical RVU values.