CPT code 11000: Skin debridement, up to 10% body surface2026 Medicare rate & RVUs in California
Reports debridement of extensive eczematous or infected skin when the treated area involves up to 10% of the patient's body surface.
Medicare pays $62.30–$77.19 for 11000 in the office in California, from Chico, CA to San Benito County, CA. Which amount applies depends on the service address.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
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On this page 9 sections
What 11000 covers
This service involves actively removing extensive eczematous or infected skin, such as adherent crusted or diseased surface material, rather than simply cleansing or applying medication. Dermatologists, surgeons, and other clinicians performing skin procedures may provide it in an office, hospital, or other treatment setting. The indication and extent of the skin involvement distinguish this service from wound debridement selected by depth of tissue removed or treatment of a small benign callus.
Report 11000 for the initial area involving up to 10% of body surface; 11001 is an add-on for each additional 10%. Document the skin condition, the debridement performed, and the percentage of body surface treated so the initial and additional portions are supported. The code has a 0-day global period, so same-day preoperative and postoperative care is included. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and other procedures are subject to the standard 50% reduction. Modifier 50 is inappropriate. Medicare does not pay an assistant at surgery for this service, and co-surgeons and team surgery are not permitted.
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
Where 11000 pays more and less in California
The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.
29 payment localities
$62.30 to $77.19
29 of 29 payment localities
| Payment locality | Office | Facility |
|---|---|---|
| Bakersfield, CA | $62.46 | $24.39 |
| Chico, CA | $62.30 | $24.23 |
| El Centro, CA | $62.31 | $24.24 |
| Fresno, CA | $62.30 | $24.23 |
| Hanford, CA | $62.30 | $24.23 |
| Los Angeles, CA | $66.27 | $25.18 |
| Madera, CA | $62.30 | $24.23 |
| Marin County, CA | $75.56 | $26.58 |
| Merced, CA | $62.30 | $24.23 |
| Modesto, CA | $62.30 | $24.23 |
| Napa, CA | $71.54 | $25.76 |
| Oxnard, CA | $65.91 | $24.85 |
| Redding, CA | $62.30 | $24.23 |
| Rest of California | $62.30 | $24.23 |
| Riverside, CA | $62.85 | $24.78 |
| Sacramento, CA | $65.21 | $24.81 |
| Salinas, CA | $64.96 | $24.70 |
| San Benito County, CA | $77.19 | $27.10 |
| San Diego, CA | $66.34 | $24.80 |
| San Francisco, CA | $75.51 | $26.53 |
| San Luis Obispo, CA | $63.93 | $24.36 |
| Santa Clara County, CA | $76.96 | $26.87 |
| Santa Cruz, CA | $66.87 | $24.67 |
| Santa Maria, CA | $65.16 | $24.66 |
| Santa Rosa, CA | $67.54 | $24.88 |
| Stockton, CA | $62.30 | $24.23 |
| Vallejo, CA | $71.46 | $25.68 |
| Visalia, CA | $62.30 | $24.23 |
| Yuba City, CA | $62.30 | $24.23 |
How the 11000 rate is calculated
Each of 11000’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.
How the rate is built · 11000
RVUs × geographic indexes × conversion factor
Work0.59
0.59 RVUs× 1.000 GPCI
Practice expense1.13
1.13 RVUs× 1.000 GPCI
Malpractice0.05
0.05 RVUs× 1.000 GPCI
Adjusted RVUs
1.7700
Conversion factor
$33.4009
Medicare rate
$59.12
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 11000
The CMS indicators that decide how 11000 is paid alongside other services.
CMS payment indicators · 11000
Skin debridement, up to 10% body surface
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 000 | Same-day global: pre- and post-op care on the day of the procedure is included. |
| Multiple procedures | 2 | Standard reduction: highest-valued procedure at 100%, others at 50%. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 1 | Not paid (statutory restriction). |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 0 | Physician service: no professional/technical split. |
What modifiers do to the payment
Modifier 51 · payment effect
With and without the modifier
11000 without 51 · national office
$59.12
Skin debridement, up to 10% body surface
11000-51 · Second procedure: 50%
$29.56
When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).
11000 compared with similar codes
Compare codes · National
5 codes, side by side
How to choose
- 11001Skin debridementEach additional 10% body surface
- 11000 covers the initial area up to 10% of body surface. 11001 is reported as an add-on for each additional 10%.
- 11042Wound debridementSubcutaneous tissue, first 20 sq cm
- Use 11000 for extensive eczematous or infected skin debridement measured by body-surface extent. Use 11042 for wound debridement when subcutaneous tissue is the deepest tissue removed, subject to its area criteria.
- 11055Lesion paringOne lesion
- 11055 is for paring or cutting a benign hyperkeratotic lesion, such as a callus. It is not the code for extensive eczematous or infected skin debridement.
- 11004Infection debridementExternal genitalia and perineum
- 11004 addresses debridement for necrotizing soft-tissue infection involving the external genitalia and perineum. 11000 is for extensive eczematous or infected skin measured by body-surface extent.
11000 billing questions
When is 11001 reported with 11000?
Use 11000 for the initial area involving up to 10% of body surface. Report 11001 for each additional 10% treated.
How does 11000 differ from wound debridement codes such as 11042?
11000 describes extensive debridement of eczematous or infected skin measured by percentage of body surface. Wound debridement codes such as 11042 are selected by the deepest tissue removed and the treated area.
What documentation supports reporting 11000?
Document the eczematous or infected skin condition, the debridement performed, and the percentage of body surface treated. The documented extent supports whether 11000 alone or an additional 11001 is appropriate.
Can modifier 50 be appended when both sides are treated?
No. The descriptor and anatomy make bilateral adjustment inappropriate for 11000.
Can same-day evaluation or postoperative care be billed separately?
The code has a 0-day global period, which includes same-day preoperative and postoperative care.
How does Medicare handle multiple procedures in the same session?
The highest-valued procedure is paid in full, and other procedures performed in that session are subject to the standard 50% multiple-procedure reduction.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.
CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027
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