CPT 11043Surgery

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CPT code 11043 covers surgical removal of dead or infected tissue (debridement) that goes deep into muscle and connective tissue layers, affecting an area up to 20 square centimeters (roughly the size of a credit card).

Showing rates for

National Average

Base Medicare rate

$225.46

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

2.7

PE RVU (NF)

3.85

MP RVU

0.42

Total RVU

6.97

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

NCCI bundling edits

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Billing tips

Measure and document exact surface area in square centimeters (length x width) in the operative note, not descriptive terms like 'small' or 'large'
Impact: Prevents downcoding to lesser debridement codes; difference between 11042 ($90.52) and 11043 ($225.46) is $134.94 per claim
Explicitly document depth of debridement reaching muscle and/or fascia layers with anatomical descriptions of tissue layers removed
Impact: Critical for code selection; lack of depth documentation results in downcoding to 11042 (subcutaneous tissue only) causing $134.94 loss per procedure
Use add-on code 11046 for each additional 20 sq cm of muscle/fascia debridement beyond the first 20 sq cm to capture full work performed
Impact: 11046 reimburses $102.05 per additional unit; failing to report larger wounds leaves significant revenue uncaptured
Bill only once per session regardless of number of wounds unless they are anatomically distinct sites requiring modifier 59
Impact: Prevents denials for duplicate billing; when appropriate with modifier 59, captures additional $149.44-$225.46 per separate site
Do not bill separately for anesthesia codes when debridement is performed with local or topical anesthesia; included in the procedure
Impact: Prevents unbundling denials and audit risk; local anesthesia is bundled into the $225.46 payment
For hospital inpatient debridement, ensure facility bills under Inpatient Prospective Payment System (IPPS) while physician bills professional component
Impact: Physician receives facility rate of $149.44; facility receives DRG payment separately avoiding duplicate billing issues

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 11043 in 2025?

The 2025 Medicare national average reimbursement for CPT 11043 is $225.46 in non-facility settings (office/clinic) and $149.44 in facility settings (hospital/ASC). Actual rates may vary by geographic locality based on GPCI adjustments.

How many RVUs is CPT code 11043 worth?

CPT 11043 has a total of 6.97 RVUs, broken down as: 2.7 work RVUs, 3.85 non-facility practice expense RVUs (1.5 facility PE RVUs), and 0.42 malpractice RVUs based on the 2025 Medicare Physician Fee Schedule.

What is the difference between CPT 11042 and 11043?

CPT 11042 is for debridement of subcutaneous tissue (first 20 sq cm or less) while 11043 is for deeper debridement extending to muscle and/or fascia (first 20 sq cm or less). The depth of tissue removal determines code selection, with 11043 reimbursing $134.94 more than 11042 due to increased complexity and work.

Can CPT 11043 be billed more than once on the same day?

CPT 11043 should only be billed once per session for the first 20 sq cm regardless of number of wounds, unless debridement is performed on anatomically distinct separate sites that require modifier 59. For additional surface area beyond 20 sq cm at the same depth, use add-on code 11046.

What documentation is required to bill CPT 11043?

Required documentation includes: exact wound measurements in square centimeters (length x width), explicit mention of debridement depth reaching muscle and/or fascia layers, anatomic location, medical necessity, description of tissue removed, and technique used. Lack of specific depth or measurement documentation commonly results in denials or downcoding.

Can CPT 11043 be billed with a skin graft code?

Yes, CPT 11043 can be billed with skin graft codes when debridement is performed to prepare the wound bed for grafting and both procedures are separately documented. Modifier 59 may be required to indicate the debridement is a distinct procedural service. Ensure documentation clearly shows both procedures were medically necessary and separately identifiable.

Is CPT 11043 subject to the multiple procedure payment reduction (MPPR)?

CPT 11043 is subject to standard multiple surgery rules when billed with other surgical procedures on the same date. The procedure with the highest RVU is paid at 100%, and additional procedures may be reduced by 50% unless modifiers or separate site documentation justify full payment for each service.