CPT code 13133: Complex repair, each additional 5 cm or less2026 Medicare rate & RVUs in Missouri
Reports each additional 5 cm or less of qualifying complex repair on the forehead, cheek, chin, mouth, neck, axilla, genitalia, hand, or foot beyond the primary repair length.
Medicare pays $155.70–$163.82 for 13133 in the office in Missouri, from Rest of Missouri to Metropolitan St. Louis, MO. 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.
Your location
On this page 9 sections
What 13133 covers
Code 13133 captures additional length when a complex repair involves the forehead, cheek, chin, mouth, neck, axilla, genital region, hand, or foot. The repair must require work beyond routine layered closure, such as extensive undermining or other substantial additional work; wound length alone does not make a repair complex. Plastic surgeons, dermatologic surgeons, and other physicians who perform wound repair may report it in office or facility settings. A long facial laceration repaired with complex techniques is one typical situation.
Report one unit for each additional 5 cm or less beyond the length covered by the primary repair code, 13131 or 13132. Documentation should identify the repair site, measured length, and features that support complex repair. CMS classifies 13133 as an add-on code: report it only with a qualifying primary procedure, and payment falls within that procedure's global period.
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 13133 pays more and less in Missouri
The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.
3 payment localities
$155.70 to $163.82
| Payment locality | Office | Facility |
|---|---|---|
| Metropolitan Kansas City, MO | $162.46 | $100.67 |
| Metropolitan St. Louis, MO | $163.82 | $101.18 |
| Rest of Missouri | $155.70 | $98.98 |
How the 13133 rate is calculated
Each of 13133’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 · 13133
RVUs × geographic indexes × conversion factor
Work2.14
2.14 RVUs× 1.000 GPCI
Practice expense2.62
2.62 RVUs× 1.000 GPCI
Malpractice0.27
0.27 RVUs× 1.000 GPCI
Adjusted RVUs
5.0300
Conversion factor
$33.4009
Medicare rate
$168.01
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 13133
The CMS indicators that decide how 13133 is paid alongside other services.
CMS payment indicators · 13133
Complex repair, each additional 5 cm or less
| Rule | CMS value | What it means |
|---|---|---|
| Global period | ZZZ | Add-on code: falls within the primary procedure’s global period. |
| Multiple procedures | 0 | No multiple-procedure reduction. |
| 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. |
13133 compared with similar codes
Compare codes · National
5 codes, side by side
How to choose
- 13131Complex repairFace and related sites, 1.1–2.5 cm
- 13131 reports the initial 1.1–2.5 cm of qualifying complex repair at the specified sites. 13133 reports additional length beyond the primary repair.
- 13132Complex wound repair2.6–7.5 cm, specified sites
- 13132 reports the initial 2.6–7.5 cm of qualifying complex repair at the specified sites. Use 13133 for each additional 5 cm or less.
- 13122Complex repairAdditional scalp or limb length
- Both report additional length of complex repair, but 13122 is for a different site group, including scalp, arms, or legs; 13133 is for the sites associated with 13131 and 13132.
- 13102Complex repairAdditional trunk length
- 13102 reports additional length of complex repair on the trunk. 13133 applies to the forehead, cheek, chin, mouth, neck, axilla, genital region, hand, or foot.
13133 billing questions
When is 13133 reported with 13131 versus 13132?
Choose the primary code based on the initial length of the complex repair: 13131 covers 1.1–2.5 cm and 13132 covers 2.6–7.5 cm. Report 13133 for each additional 5 cm or less.
Can 13133 be reported by itself?
No. It is an add-on code and must accompany a qualifying primary complex-repair procedure, such as 13131 or 13132.
What documentation supports reporting 13133?
Document the anatomical site, total repaired length, and the work that made the closure complex, such as extensive undermining. The record should make clear which additional length is being reported.
Does 13133 have a separate global period?
No separate period is assigned. It is paid within the global period of the primary procedure.
Does a long wound automatically qualify as complex repair?
No. Length determines the applicable repair code and add-on units, but the operative documentation must also support complex repair rather than routine layered closure.
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
Show the CMS file lines behind this rate
Fee sheets · Coming soon
Put 13133 and the rest of your codes on one sheet
Your codes at your locality, with payer contracts beside Medicare.
Join the waitlist