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CPT code 28304: Midfoot osteotomy, without bone graft2026 Medicare rate & RVUs in Utah

A surgeon cuts and reshapes a midfoot tarsal bone, other than the heel or talus, to correct alignment or structural deformity.

CMS RVU26DEffective Oct 1, 2026One payment locality937 Medicare services in 2024

In Utah, Medicare pays $835.79 for 28304 in the office and $562.95 when it’s performed in a hospital or facility.

$835.79Office (non-facility)
$562.95Hospital or facility
−4.1%vs the national office rate ($871.76)

Check a contract rate as a % of Medicare · 28304 nationwide

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

We’ll open 28304 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Utah
  2. What 28304 covers
  3. Compared with other areas
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Related codes
  8. Rate history
  9. Where it applies
  10. Billing questions
  11. Sources

What 28304 covers

This service involves a planned cut in a midfoot tarsal bone, such as a cuneiform, navicular, or cuboid, to change its alignment or shape. Orthopedic foot-and-ankle surgeons and podiatrists perform these procedures to address structural deformity or abnormal foot mechanics, commonly in an operating room. The operated bone distinguishes this service from osteotomy of the calcaneus, talus, or a metatarsal. A tarsal osteotomy with autograft is reported with a different code.

Select this code when the operative work is a midfoot tarsal osteotomy without the autograft service represented by 28305. The operative report should identify the bone and side, the condition being corrected, the osteotomy and correction performed, and whether graft was used. CMS assigns a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. For same-session multiple procedures, the highest-valued procedure is paid in full and the others at 50%. Modifier 50 bilateral procedures are paid at 150%. Assistant-at-surgery payment may be made; 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.

How Utah compares for 28304

Across 109 of 109 payment localities, the office rate for 28304 runs from $775.26 in Arkansas to $1,111.21 in San Benito County, CA. Utah pays $835.79. The RVUs are the same everywhere; the geographic indexes change the dollars.

28304 in Utah vs other payment areas
  1. Utah · this page$835.79
  2. Los Angeles, CA · California$962.49+$126.70
  3. Washington, DC area · District of Columbia$985.79+$150.00
  4. Miami, FL · Florida$967.51+$131.72
  5. Chicago, IL · Illinois$939.64+$103.85
  6. Manhattan, NY · New York$1,003.65+$167.86
  7. Alaska · Alaska$1,036.60+$200.81

Other areas in Utah first, then benchmark localities. Bars start at $0.

Every other payment area

28304 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$786.01$532.04
ArkansasArkansas$775.26$525.93
ArizonaArizona$848.72$567.47
Bakersfield, CACalifornia$908.12$590.00
Chico, CACalifornia$903.95$585.83
El Centro, CACalifornia$904.19$586.07
Fresno, CACalifornia$903.95$585.83
Hanford, CACalifornia$903.95$585.83

28304 rates by state

Office rate range in each state. Select a state to see its payment localities.

MEWIVTNHMTNDMNMINYMARIWAIDWYSDIAILINOHPANJCTORNVUTCONEMOKYWVVAMDDECAAZNMKSOKARTNNCSCDCTXLAMSALGAFLAKHI

Explore a state

Local rates. Clear comparisons.

Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.

$775.26

$1,036.60

Color shows the midpoint of each state’s locality range.

View every state and territory as a table
28304 office rate range by state
State / territoryOffice rate rangeLocalities
AK$1,036.601
AL$786.011
AR$775.261
AZ$848.721
CA$903.95–$1,111.2129
CO$897.831
CT$927.921
DC$985.791
DE$862.171
FL$873.56–$967.513
GA$825.32–$890.752
GU$922.021
HI$922.021
IA$798.441
ID$804.731
IL$854.26–$939.644
IN$808.981
KS$797.971
KY$810.261
LA$810.29–$847.912
MA$894.15–$979.202
MD$877.03–$985.793
ME$811.99–$849.122
MI$833.10–$887.132
MN$852.421
MO$799.19–$847.063
MS$787.211
MT$871.671
NC$819.541
ND$842.801
NE$801.641
NH$886.851
NJ$936.28–$977.052
NM$838.681
NV$864.141
NY$831.44–$1,030.825
OH$827.201
OK$805.601
OR$855.21–$921.542
PA$826.71–$907.872
PR$876.721
RI$889.371
SC$825.181
SD$839.381
TN$802.161
TX$821.80–$896.798
UT$835.791
VA$848.64–$985.792
VI$876.721
VT$842.511
WA$891.48–$995.452
WI$816.321
WV$825.091
WY$859.081

See 28304 in every payment locality

How the 28304 rate is calculated

Each of 28304’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 · 28304

RVUs × geographic indexes × conversion factor

Office or facility?

Work9.17

9.17 RVUs× 1.000 GPCI

Practice expense15.47

15.47 RVUs× 1.000 GPCI

Malpractice1.46

1.46 RVUs× 1.000 GPCI

Adjusted RVUs

26.1000

Conversion factor

$33.4009

Medicare rate

$871.76

Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.

The exact Utah inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

3,181

Code
28304
Physician work
9.17
Practice expense
15.47
Malpractice
1.46

GPCI2026.csv

104

Locality
Utah
Physician work
1.000
Practice expense
0.940
Malpractice
0.898
Office calculation for 28304 in Utah
ComponentRVULocality factorAdjusted
Physician work9.17× 1.0009.1700
Practice expense15.47× 0.94014.5418
Malpractice1.46× 0.8981.3111
Total RVUs25.0229
Conversion factor× 33.4009

Office rate, Utah$835.79

Office: (9.17 × 1 + 15.47 × 0.94 + 1.46 × 0.898) × $33.4009 = $835.79

Facility: (9.17 × 1 + 6.78 × 0.94 + 1.46 × 0.898) × $33.4009 = $562.95

Open 28304 in the RVU calculator

Payment rules and modifiers for 28304

28304 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 28304

Midfoot osteotomy, without bone graft

RuleCMS valueWhat it means
Global period090Major surgery: the day before, the day of, and 90 days after are included.
Multiple procedures2Standard reduction: highest-valued procedure at 100%, others at 50%.
Bilateral (modifier 50)1Bilateral with modifier 50 pays 150% of the fee schedule amount.
Assistant at surgery (80/81/82/AS)2Paid.
Co-surgeons (62)1Permitted with supporting documentation.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.
Split (54/55/56)0.10/0.69/0.21Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 28304

Midfoot osteotomy, without bone graft

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.

  • 24Unrelated E/M visit by the same physician
  • 79Unrelated procedure (starts its own global period)
  • 58Staged, more extensive, or therapy procedure that was planned
  • 78Unplanned return to the operating room for a related complication
SurgeryVisit
Sep 23, 2026Jan 10, 2027

Pre-op dayGlobal period

What modifiers do to the payment

Modifier 50 · payment effect

With and without the modifier

28304 without 50 · national office

$871.76

Midfoot osteotomy, without bone graft

28304-50 · Bilateral: 150%

$1,307.64

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).

When to use modifier 50

Codes related to 28304

Related codes aren’t interchangeable: bill the code that matches the service performed.

Codes related to 28304
CodeHow it relatesOffice range, Utah
Same family
28305Midfoot osteotomy, with autograftMidfoot tarsal osteotomy with autograft.No office rate
Used instead
28300Heel osteotomy, calcaneus realignmentOsteotomy is performed on the calcaneus rather than a midfoot tarsal bone.No office rate
28302Ankle osteotomy, ankle bone alignmentOsteotomy is performed on the talus rather than a midfoot tarsal bone.No office rate
28306Metatarsal osteotomy, first metatarsalFor osteotomy of the first metatarsal, not a midfoot tarsal bone.$601.15
28307Metatarsal osteotomy, with autograftFor osteotomy of a metatarsal other than the first.$804.85

How 28304 has changed in Utah

28304 · Office / nonfacility

$835.79

Effective 2026-10-01

The base rate is $63.16 higher than on 2025-10-01, moving from $772.63 to $835.79 (8.2%).

It is unchanged from the immediately preceding available release, effective 2026-07-01.

Base rate by release · bars start at $0 · select a bar to compare

One bar per available release, ordered by effective date. Missing rates remain gaps. These comparisons hold the code, setting and locality identifiers constant; they do not isolate which policy or input caused a change.

What changed, release by release

  1. January 1, 2026

    RVU26A

    $772.63changed to$835.79

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 9.41 changed to 9.17
    • Practice expense RVU 14.16 changed to 15.47
    • Malpractice RVU 1.36 changed to 1.46
    • Practice expense GPCI 0.933 changed to 0.940
    • Malpractice GPCI 0.930 changed to 0.898

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $794.48changed to$772.63

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 14.12 changed to 14.16
    • Malpractice RVU 1.38 changed to 1.36

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $781.52changed to$794.48

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $798.75changed to$781.52

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 14.05 changed to 14.12
    • Malpractice RVU 1.33 changed to 1.38
    • Practice expense GPCI 0.926 changed to 0.933
    • Malpractice GPCI 0.865 changed to 0.930

  5. January 1, 2023

    RVU23A

    $799.59changed to$798.75

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 13.72 changed to 14.05
    • Malpractice RVU 1.36 changed to 1.33
    • Practice expense GPCI 0.919 changed to 0.926
    • Malpractice GPCI 0.799 changed to 0.865

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $806.23changed to$799.59

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 13.79 changed to 13.72
    • Malpractice RVU 1.28 changed to 1.36

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $815.28changed to$806.23

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 12.95 changed to 13.79
    • Malpractice RVU 1.25 changed to 1.28
    • Practice expense GPCI 0.923 changed to 0.919
    • Malpractice GPCI 0.982 changed to 0.799

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $826.75changed to$815.28

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 13.05 changed to 12.95
    • Malpractice RVU 1.23 changed to 1.25
    • Practice expense GPCI 0.927 changed to 0.923
    • Malpractice GPCI 1.165 changed to 0.982

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $833.77changed to$826.75

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 13.25 changed to 13.05
    • Malpractice RVU 1.26 changed to 1.23

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $829.59changed to$833.77

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 13.24 changed to 13.25
    • Malpractice RVU 1.25 changed to 1.26
    • Practice expense GPCI 0.925 changed to 0.927
    • Malpractice GPCI 1.167 changed to 1.165

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $824.42changed to$829.59

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 13.17 changed to 13.24
    • Malpractice RVU 1.26 changed to 1.25
    • Practice expense GPCI 0.922 changed to 0.925
    • Malpractice GPCI 1.169 changed to 1.167

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $831.72changed to$824.42

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 13.25 changed to 13.17
    • Malpractice RVU 1.30 changed to 1.26

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $827.59changed to$831.72

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $802.40changed to$827.59

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 12.70 changed to 13.25
    • Malpractice RVU 1.16 changed to 1.30
    • Practice expense GPCI 0.919 changed to 0.922
    • Malpractice GPCI 1.136 changed to 1.169

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $799.96changed to$802.40

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 13.94 changed to 12.70
    • Malpractice RVU 1.21 changed to 1.16
    • Practice expense GPCI 0.916 changed to 0.919
    • Malpractice GPCI 1.102 changed to 1.136

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $799.96

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$835.79$562.95RVU26D
2026-07-01$835.79$562.95RVU26C
2026-04-01$835.79$562.95RVU26B
2026-01-01$835.79$562.95RVU26A
2025-10-01$772.63$586.73RVU25D
2025-07-01$772.63$586.73RVU25C
2025-04-01$772.63$586.73RVU25B
2025-01-01$772.63$586.73RVU25A
2024-10-01$794.48$597.89RVU24D
2024-07-01$794.48$597.89RVU24C
2024-04-01$794.48$597.89RVU24B
2024-03-09$794.48$597.89RVU24AR
2024-01-01$781.52$588.13RVU24A
2023-10-01$798.75$597.92RVU23D
2023-07-01$798.75$597.92RVU23C
2023-04-01$798.75$597.92RVU23B
2023-01-01$798.75$597.92RVU23A
2022-10-01$799.59$595.09RVU22D
2022-07-01$799.59$595.09RVU22C
2022-04-01$799.59$595.09RVU22B
2022-01-01$799.59$595.09RVU22A
2021-10-01$806.23$592.35RVU21D
2021-07-01$806.23$592.35RVU21C
2021-04-01$806.23$592.35RVU21B
2021-01-01$806.23$592.35RVU21A
2020-10-01$815.28$608.42RVU20D
2020-07-01$815.28$608.42RVU20C
2020-04-01$815.28$608.42RVU20B
2020-01-01$815.28$608.42RVU20A
2019-10-01$826.75$615.94RVU19D
2019-07-01$826.75$615.94RVU19C
2019-04-01$826.75$615.94RVU19B
2019-01-01$826.75$615.94RVU19A
2018-10-01$833.77$619.19RVU18D
2018-07-01$833.77$619.19RVU18C
2018-04-01$833.77$619.19RVU18B
2018-01-01$833.77$619.19RVU18AR1
2017-10-01$829.59$617.13RVU17D
2017-07-01$829.59$617.13RVU17C
2017-04-01$829.59$617.13RVU17B
2017-01-01$829.59$617.13RVU17A
2016-10-01$824.42$613.80RVU16D
2016-07-01$824.42$613.80RVU16C
2016-04-01$824.42$613.80RVU16B
2016-01-01$824.42$613.80RVU16A
2015-10-01$831.72$619.02RVU15D
2015-07-01$831.72$619.02RVU15C
2015-04-01$827.59$615.94RVU15B
2015-01-01$827.59$615.94RVU15A
2014-10-01$802.40$599.93RVU14D
2014-07-01$802.40$599.93RVU14C
2014-04-01$802.40$599.93RVU14B
2014-01-01$802.40$599.93RVU14A
2013-10-01$799.96$586.48RVU13D
2013-07-01$799.96$586.48RVU13C
2013-04-01$799.96$586.48RVU13B
2013-01-01$799.96$586.48RVU13AR

Price 28304 for an earlier date of service

Where the Utah rate applies

Utah is a Medicare payment area, not a city. Our Census mapping connects it to 334 cities and communities in Utah. Some span more than one payment area; confirm with the service ZIP.

  • Alpine
  • Alta
  • Altamont
  • Alton
  • Amalga
  • American Fork
  • Aneth
  • Annabella

Browse all communities in Utah

28304 billing questions

How does 28304 differ from 28305?

Both describe osteotomy of a midfoot tarsal bone other than the calcaneus or talus. Use 28305 when the tarsal osteotomy includes autograft; 28304 is the option without that graft service.

Which bone determines whether this code applies?

The osteotomy must involve a midfoot tarsal bone, such as a cuneiform, navicular, or cuboid. A calcaneal, talar, or metatarsal osteotomy belongs to a different code.

What should the operative report document?

Document the specific bone and side, the deformity or alignment problem, the osteotomy and correction performed, and whether autograft was used.

How is a bilateral procedure handled?

A bilateral procedure reported with modifier 50 is paid at 150%.

What postoperative care is included in the global period?

The 90-day global period includes the day-before preoperative visit and 90 days of related postoperative care.

Can an assistant or co-surgeon be paid?

Assistant-at-surgery payment may be made. Co-surgeons are paid only with 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
RVUs for 28304PPRRVU2026_Oct_nonQPP.csv, line 3,181 (RVU26D)
Geographic factors for UtahGPCI2026.csv, line 104 (RVU26D)

Open CMS sourceHow we calculate rates

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