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CPT code 28220: Foot tendon release, single tendon2026 Medicare rate & RVUs in Oxnard, CA

Reports surgical release of adhesions restricting one flexor or extensor tendon in the foot, typically to restore tendon glide after injury or prior surgery.

CMS RVU26DEffective Oct 1, 2026One payment locality497 Medicare services in 2024

In Oxnard, CA, Medicare pays $496.23 for 28220 in the office and $309.49 when it’s performed in a hospital or facility.

$496.23Office (non-facility)
$309.49Hospital or facility
+11.1%vs the national office rate ($446.57)

Check a contract rate as a % of Medicare · 28220 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 28220 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Oxnard, CA
  2. What 28220 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 28220 covers

This operation frees a single flexor or extensor tendon in the foot from restrictive scar tissue or adhesions that limit its movement. An orthopedic or podiatric surgeon typically performs it in an operating room, often when motion remains restricted after trauma or a prior procedure. The operative work addresses tendon glide by releasing surrounding adhesions; it is distinct from repairing a torn tendon or cutting a tendon to change its function.

Report this code when the operative record identifies the treated foot tendon and documents adhesion release involving one tendon. Distinguish it from codes for multiple-tendon release and tendon repair by the structures treated and the work performed. CMS assigns a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. For same-session procedures, the highest-valued procedure is paid in full and other procedures are subject to the standard 50% multiple-procedure reduction. Bilateral reporting with modifier 50 is paid at 150%. Assistant-at-surgery services are not paid; 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.

How Oxnard, CA compares for 28220

Across 109 of 109 payment localities, the office rate for 28220 runs from $399.98 in Arkansas to $580.18 in San Benito County, CA. Oxnard, CA pays $496.23. The RVUs are the same everywhere; the geographic indexes change the dollars.

28220 in Oxnard, CA vs other payment areas
  1. Oxnard, CA · this page$496.23
  2. Bakersfield, CA · California$470.58−$25.65
  3. Chico, CA · California$469.20−$27.03
  4. El Centro, CA · California$469.28−$26.95
  5. Fresno, CA · California$469.20−$27.03
  6. Hanford, CA · California$469.20−$27.03
  7. Los Angeles, CA · California$499.08+$2.85

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

Every other payment area

28220 in every other Medicare payment locality
Payment localityOfficeFacility
Madera, CACalifornia$469.20$296.05
Merced, CACalifornia$469.20$296.05
Modesto, CACalifornia$469.20$296.05
Napa, CACalifornia$537.92$329.70
Redding, CACalifornia$469.20$296.05
Rest of CaliforniaCalifornia$469.20$296.05
Riverside, CACalifornia$474.02$300.86
Sacramento, CACalifornia$490.85$307.11

28220 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.

$399.98

$534.15

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

View every state and territory as a table
28220 office rate range by state
State / territoryOffice rate rangeLocalities
AK$534.151
AL$405.201
AR$399.981
AZ$435.781
CA$469.20–$580.1829
CO$463.091
CT$474.251
DC$506.261
DE$442.491
FL$441.65–$480.523
GA$419.16–$454.462
GU$478.731
HI$478.731
IA$413.921
ID$416.431
IL$430.49–$468.074
IN$418.581
KS$412.411
KY$414.251
LA$413.76–$432.052
MA$460.85–$505.482
MD$450.24–$506.263
ME$418.62–$438.632
MI$424.11–$446.862
MN$444.341
MO$407.56–$433.163
MS$403.831
MT$446.541
NC$422.511
ND$437.841
NE$415.881
NH$456.211
NJ$479.83–$501.932
NM$426.291
NV$444.401
NY$428.21–$521.795
OH$422.341
OK$413.341
OR$441.09–$476.312
PA$422.81–$463.622
PR$449.431
RI$457.111
SC$423.091
SD$436.811
TN$414.291
TX$420.34–$461.438
UT$428.281
VA$437.49–$506.262
VI$449.431
VT$436.511
WA$459.87–$515.022
WI$424.641
WV$416.241
WY$442.751

See 28220 in every payment locality

How the 28220 rate is calculated

Each of 28220’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 · 28220

RVUs × geographic indexes × conversion factor

Office or facility?

Work4.55

4.55 RVUs× 1.000 GPCI

Practice expense8.38

8.38 RVUs× 1.000 GPCI

Malpractice0.44

0.44 RVUs× 1.000 GPCI

Adjusted RVUs

13.3700

Conversion factor

$33.4009

Medicare rate

$446.57

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

The exact Oxnard, CA inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

3,151

Code
28220
Physician work
4.55
Practice expense
8.38
Malpractice
0.44

GPCI2026.csv

18

Locality
Oxnard, CA
Physician work
1.028
Practice expense
1.182
Malpractice
0.623
Office calculation for 28220 in Oxnard, CA
ComponentRVULocality factorAdjusted
Physician work4.55× 1.0284.6774
Practice expense8.38× 1.1829.9052
Malpractice0.44× 0.6230.2741
Total RVUs14.8567
Conversion factor× 33.4009

Office rate, Oxnard, CA$496.23

Office: (4.55 × 1.028 + 8.38 × 1.182 + 0.44 × 0.623) × $33.4009 = $496.23

Facility: (4.55 × 1.028 + 3.65 × 1.182 + 0.44 × 0.623) × $33.4009 = $309.49

Open 28220 in the RVU calculator

Payment rules and modifiers for 28220

28220 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 28220

Foot tendon release, single tendon

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)1Not paid (statutory restriction).
Co-surgeons (62)0Not permitted.
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 · 28220

Foot tendon release, single tendon

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

28220 without 50 · national office

$446.57

Foot tendon release, single tendon

28220-50 · Bilateral: 150%

$669.86

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).

When to use modifier 50

Codes related to 28220

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

Codes related to 28220
CodeHow it relatesOffice range, Oxnard, CA
Same family
28222Tendon release, single extensor tendonFoot tendon adhesion release involving multiple tendons rather than a single tendon.$601.85
28225Tendon release, flexor tendonA related foot tendon release code with a different scope of tendon work.$458.95
Used instead
28200Foot tendon repair, flexor, without free graftRepairs a foot flexor tendon rather than releasing adhesions around it.$561.93
28208Tendon repair, foot extensor, no graftRepairs a foot extensor tendon rather than releasing tendon adhesions.$555.95
28230Tendon incision, single extensor tendonIncises a foot tendon; this code addresses release of tendon adhesions.$479.01

How 28220 has changed in Oxnard, CA

28220 · Office / nonfacility

$496.23

Effective 2026-10-01

The base rate is $15.27 higher than on 2025-10-01, moving from $480.96 to $496.23 (3.2%).

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

    $480.96changed to$496.23

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 4.67 changed to 4.55
    • Practice expense RVU 8.26 changed to 8.38
    • Malpractice RVU 0.47 changed to 0.44
    • Work GPCI 1.026 changed to 1.028
    • Practice expense GPCI 1.183 changed to 1.182
    • Malpractice GPCI 0.651 changed to 0.623

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $500.82changed to$480.96

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 8.42 changed to 8.26
    • Malpractice RVU 0.45 changed to 0.47

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $492.64changed to$500.82

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $503.94changed to$492.64

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 8.28 changed to 8.42
    • Malpractice RVU 0.43 changed to 0.45
    • Work GPCI 1.027 changed to 1.026
    • Practice expense GPCI 1.181 changed to 1.183
    • Malpractice GPCI 0.689 changed to 0.651

  5. January 1, 2023

    RVU23A

    $511.34changed to$503.94

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 8.20 changed to 8.28
    • Practice expense GPCI 1.179 changed to 1.181
    • Malpractice GPCI 0.726 changed to 0.689

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $518.87changed to$511.34

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 8.28 changed to 8.20

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $519.89changed to$518.87

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 7.90 changed to 8.28
    • Malpractice RVU 0.44 changed to 0.43
    • Work GPCI 1.026 changed to 1.027
    • Practice expense GPCI 1.178 changed to 1.179
    • Malpractice GPCI 0.700 changed to 0.726

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $521.95changed to$519.89

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 8.02 changed to 7.90
    • Malpractice RVU 0.40 changed to 0.44
    • Work GPCI 1.024 changed to 1.026
    • Practice expense GPCI 1.176 changed to 1.178
    • Malpractice GPCI 0.673 changed to 0.700

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $519.20changed to$521.95

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 7.98 changed to 8.02
    • Malpractice RVU 0.38 changed to 0.40

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $520.89changed to$519.20

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 8.00 changed to 7.98
    • Malpractice RVU 0.39 changed to 0.38
    • Work GPCI 1.027 changed to 1.024
    • Practice expense GPCI 1.178 changed to 1.176
    • Malpractice GPCI 0.754 changed to 0.673

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $519.03changed to$520.89

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 7.94 changed to 8.00
    • Malpractice RVU 0.38 changed to 0.39
    • Work GPCI 1.030 changed to 1.027
    • Practice expense GPCI 1.180 changed to 1.178
    • Malpractice GPCI 0.834 changed to 0.754

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $522.65changed to$519.03

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 7.96 changed to 7.94
    • Malpractice RVU 0.41 changed to 0.38

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $520.05changed to$522.65

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $512.67changed to$520.05

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 7.76 changed to 7.96
    • Malpractice RVU 0.39 changed to 0.41
    • Work GPCI 1.032 changed to 1.030
    • Practice expense GPCI 1.187 changed to 1.180
    • Malpractice GPCI 0.720 changed to 0.834

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $518.96changed to$512.67

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 8.53 changed to 7.76
    • Malpractice RVU 0.41 changed to 0.39
    • Work GPCI 1.034 changed to 1.032
    • Practice expense GPCI 1.193 changed to 1.187
    • Malpractice GPCI 0.605 changed to 0.720

    Held through RVU14B, RVU14C, RVU14D.

  16. October 1, 2013

    RVU13D

    No ratechanged to$518.96

  17. January 1, 2013

    RVU13AR

    Earliest loaded release: No rate

    Held through RVU13B, RVU13C.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$496.23$309.49RVU26D
2026-07-01$496.23$309.49RVU26C
2026-04-01$496.23$309.49RVU26B
2026-01-01$496.23$309.49RVU26A
2025-10-01$480.96$324.45RVU25D
2025-07-01$480.96$324.45RVU25C
2025-04-01$480.96$324.45RVU25B
2025-01-01$480.96$324.45RVU25A
2024-10-01$500.82$332.28RVU24D
2024-07-01$500.82$332.28RVU24C
2024-04-01$500.82$332.28RVU24B
2024-03-09$500.82$332.28RVU24AR
2024-01-01$492.64$326.85RVU24A
2023-10-01$503.94$331.85RVU23D
2023-07-01$503.94$331.85RVU23C
2023-04-01$503.94$331.85RVU23B
2023-01-01$503.94$331.85RVU23A
2022-10-01$511.34$333.45RVU22D
2022-07-01$511.34$333.45RVU22C
2022-04-01$511.34$333.45RVU22B
2022-01-01$511.34$333.45RVU22A
2021-10-01$518.87$332.10RVU21D
2021-07-01$518.87$332.10RVU21C
2021-04-01$518.87$332.10RVU21B
2021-01-01$518.87$332.10RVU21A
2020-10-01$519.89$337.51RVU20D
2020-07-01$519.89$337.51RVU20C
2020-04-01$519.89$337.51RVU20B
2020-01-01$519.89$337.51RVU20A
2019-10-01$521.95$337.16RVU19D
2019-07-01$521.95$337.16RVU19C
2019-04-01$521.95$337.16RVU19B
2019-01-01$521.95$337.16RVU19A
2018-10-01$519.20$335.04RVU18D
2018-07-01$519.20$335.04RVU18C
2018-04-01$519.20$335.04RVU18B
2018-01-01$519.20$335.04RVU18AR1
2017-10-01$520.89$337.41RVU17D
2017-07-01$520.89$337.41RVU17C
2017-04-01$520.89$337.41RVU17B
2017-01-01$520.89$337.41RVU17A
2016-10-01$519.03$336.51RVU16D
2016-07-01$519.03$336.51RVU16C
2016-04-01$519.03$336.51RVU16B
2016-01-01$519.03$336.51RVU16A
2015-10-01$522.65$338.20RVU15D
2015-07-01$522.65$338.20RVU15C
2015-04-01$520.05$336.52RVU15B
2015-01-01$520.05$336.52RVU15A
2014-10-01$512.67$333.66RVU14D
2014-07-01$512.67$333.66RVU14C
2014-04-01$512.67$333.66RVU14B
2014-01-01$512.67$333.66RVU14A
2013-10-01$518.96$329.81RVU13D
2013-07-01Rate data unavailableRate data unavailableRVU13C
2013-04-01Rate data unavailableRate data unavailableRVU13B
2013-01-01Rate data unavailableRate data unavailableRVU13AR

Price 28220 for an earlier date of service

Where the Oxnard, CA rate applies

Oxnard, CA is a Medicare payment area, not a city. Our Census mapping connects it to 26 cities and communities in California. Some span more than one payment area; confirm with the service ZIP.

  • Oxnard
  • Thousand Oaks
  • Bell Canyon
  • Camarillo
  • Casa Conejo
  • Channel Islands Beach
  • El Rio
  • Fillmore

Browse all communities in California

28220 billing questions

When is this code appropriate instead of a tendon repair code?

Use it for release of adhesions restricting one foot tendon, rather than repair of a tendon injury. The operative note should support adhesion release as the work performed.

How does this differ from 28222?

28220 describes release involving a single tendon. 28222 is the nearby multiple-tendon release code.

What should the operative note document?

Identify the foot tendon treated and describe the adhesions and their release. The record should make clear that the work involved one tendon, not tendon repair or a different type of release.

How is bilateral reporting paid?

CMS lists this as a bilateral procedure. Reporting modifier 50 results in payment at 150%.

Are assistant-at-surgery or co-surgeon services payable?

CMS lists a statutory restriction on assistant-at-surgery payment for this code. Co-surgeons and team surgery are not permitted.

What happens when another procedure is performed in the same session?

Under the standard multiple-procedure rule, the highest-valued procedure is paid in full and other procedures are paid at 50%.

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 28220PPRRVU2026_Oct_nonQPP.csv, line 3,151 (RVU26D)
Geographic factors for Oxnard, CAGPCI2026.csv, line 18 (RVU26D)

Open CMS sourceHow we calculate rates

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