Billing code 28735: Midfoot fusionMedicare rate & RVUs in Utah
Reports fusion across multiple midtarsal or tarsometatarsal joints when an osteotomy is also performed to correct midfoot alignment or deformity.
CMS doesn’t publish an office rate for 28735 in Utah.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
On this page 9 sections
What 28735 covers
This code covers fusion of multiple joints in the midfoot, or a transverse fusion across the midfoot, when the operation also includes an osteotomy. Foot and ankle orthopedic surgeons and podiatric surgeons may perform it for conditions such as painful midfoot arthritis or deformity requiring both joint fusion and bony realignment. The operative report should identify the joints fused and describe the osteotomy and its role in the correction.
Select this code when the fusion involves multiple or transverse midtarsal or tarsometatarsal joints and an osteotomy is performed; a single-joint fusion or a multiple-joint fusion without osteotomy points to a different code. The osteotomy is part of the service represented here. Medicare assigns a 90-day global period, including the day-before preoperative visit and related postoperative care. When multiple procedures are performed in one session, the highest-valued procedure is paid in full and the others at 50%. Bilateral reporting with modifier 50 is paid at 150%. Assistant-at-surgery payment may be available; co-surgeon payment requires supporting documentation, and team surgery is 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.
28735 in Utah
| Payment locality | Office | Facility |
|---|---|---|
| Utah | Unavailable | $706.10 |
How the 28735 rate is calculated
Each of 28735’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 · 28735
RVUs × geographic indexes × conversion factor
Swap in your local Medicare rate.
Work 11.92Practice expense 8.07Malpractice 1.82
All indexes start at 1.000 (the national rate). Enter a ZIP or drag a slider.
Payment rules and modifiers for 28735
28735 has a 90-day global period: related visits in that window are included in the surgery payment.
CMS payment indicators · 28735
Midfoot fusion
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 090 | Major surgery: the day before, the day of, and 90 days after are included. |
| Multiple procedures | 2 | Standard reduction: highest-valued procedure at 100%, others at 50%. |
| Bilateral (modifier 50) | 1 | Bilateral with modifier 50 pays 150% of the fee schedule amount. |
| Assistant at surgery (80/81/82/AS) | 2 | Paid. |
| Co-surgeons (62) | 1 | Permitted with supporting documentation. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 0 | Physician service: no professional/technical split. |
| Split (54/55/56) | 0.10/0.69/0.21 | Share of the payment for pre-op, the procedure itself, and post-op care. |
Global surgery period · 28735
Midfoot fusion
90-day global period ends
Dec 30, 2026
Covers Sep 30, 2026 through Dec 30, 2026 (92 days, including the day before surgery).
Visit on Oct 31, 2026
Day 30 of the 90-day post-op period: related follow-up care is included in the surgical payment.
Pre-op dayGlobal period
What modifiers do to the payment
Modifier 50 · payment effect
With and without the modifier
28735 without 50 · national facility
$728.47
Midfoot fusion
28735-50 · Bilateral: 150%
$1,092.71
Both sides on one line with modifier 50 are paid at 150% of the fee schedule amount (subject to multiple-procedure rules with other procedures).
28735 compared with similar codes
Compare codes
28735 vs 28730 vs 28740 vs 28715: national Medicare rates
Swap in your local Medicare rate.
How to choose
- 28730Midfoot fusion
- Choose 28735 when the multiple or transverse midfoot fusion includes an osteotomy; choose 28730 when it does not.
- 28740Foot fusion
- 28740 describes a single midtarsal or tarsometatarsal joint fusion. This code is for multiple joints or a transverse fusion with an osteotomy.
- 28715Hindfoot fusion
- 28715 is a triple arthrodesis of hindfoot joints. This code concerns multiple or transverse fusion in the midfoot with an osteotomy.
28735 billing questions
How does this differ from 28730?
Both address multiple or transverse midfoot fusion. This code includes an osteotomy; 28730 is the corresponding fusion without an osteotomy.
Can the osteotomy be billed separately?
The osteotomy is included in this code’s service when performed as part of the midfoot fusion and correction.
When is 28740 a better choice?
Use 28740 for a fusion of a single midtarsal or tarsometatarsal joint, rather than multiple joints or a transverse fusion.
What documentation supports selecting this code?
Document the specific midtarsal or tarsometatarsal joints fused and the osteotomy performed, including its role in correcting alignment or deformity.
What payment rules affect the claim?
Medicare applies a 90-day global period and standard multiple-procedure reduction for procedures in the same session. Modifier 50 applies to bilateral procedures under the stated bilateral payment rule.
Can an assistant or co-surgeon be reported?
Assistant-at-surgery payment may be available. Co-surgeon payment requires supporting documentation; team surgery is not permitted.
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
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