CPT code 28300: Heel osteotomy, calcaneus realignment2026 Medicare rate & RVUs in Maryland
Reports a surgical cut and realignment of the calcaneus, commonly used to correct hindfoot alignment in conditions such as cavovarus or flexible flatfoot.
CMS doesn’t publish an office rate for 28300 in Maryland.
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 28300 covers
A calcaneal osteotomy cuts and repositions part of the heel bone to change hindfoot alignment. Orthopedic foot-and-ankle surgeons and podiatric surgeons may perform it for deformities such as a varus heel in cavovarus or a valgus heel in flexible flatfoot. The approach may shift or reshape the bone, with fixation used as needed to maintain the correction. The operative report should establish that the calcaneus itself was cut and describe the correction and side treated.
Report this code for the heel-bone osteotomy, not an osteotomy of the ankle or other tarsal bones. It has a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. For same-session procedures subject to the multiple-procedure rule, 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 made; co-surgeon payment requires supporting documentation, and team-surgery payment 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.
Where 28300 pays more and less in Maryland
The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.
| Payment locality | Office | Facility |
|---|---|---|
| Baltimore area, MD | Unavailable | $646.61 |
| Rest of Maryland | Unavailable | $612.88 |
| Washington, DC area | Unavailable | $677.24 |
How the 28300 rate is calculated
Each of 28300’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 · 28300
RVUs × geographic indexes × conversion factor
Work9.49
9.49 RVUs× 1.000 GPCI
Practice expense7.20
7.20 RVUs× 1.000 GPCI
Malpractice1.61
1.61 RVUs× 1.000 GPCI
Adjusted RVUs
18.3000
Conversion factor
$33.4009
Medicare rate
$611.24
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 28300
28300 has a 90-day global period: related visits in that window are included in the surgery payment.
CMS payment indicators · 28300
Heel osteotomy, calcaneus realignment
| 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 · 28300
Heel osteotomy, calcaneus realignment
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
28300 without 50 · national facility
$611.24
Heel osteotomy, calcaneus realignment
28300-50 · Bilateral: 150%
$916.86
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).
28300 compared with similar codes
Compare codes · National
4 codes, side by side
How to choose
- 28302Ankle osteotomyAnkle bone alignment
- Use 28300 for an osteotomy of the calcaneus; 28302 describes an osteotomy of the ankle bone.
- 28304Midfoot osteotomyWithout bone graft
- Use 28300 when the heel bone is cut. Code 28304 is for osteotomy of other tarsal bones, excluding the calcaneus and talus.
- 28305Midfoot osteotomyWith autograft
- Code 28305 concerns osteotomy of tarsal bones other than the calcaneus or talus with a graft; it is not the calcaneal osteotomy code.
28300 billing questions
How is this code distinguished from an osteotomy of another foot bone?
Use it when the bone cut and realignment involve the calcaneus. An osteotomy of the ankle bone or other tarsal bones is represented by a different code.
What documentation supports reporting this code?
The operative report should identify the calcaneus and side, the deformity being addressed, and the bone cut and realignment performed.
Does the 90-day global period include related postoperative care?
Yes. CMS includes the day-before preoperative visit and 90 days of related postoperative care in the major-surgery global period.
How is bilateral surgery paid?
When the procedure is reported bilaterally with modifier 50, CMS pays at 150%.
Can an assistant or co-surgeon be reported?
Assistant-at-surgery payment may be made. Co-surgeon payment requires supporting documentation; team-surgery payment 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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