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CPT code 29730: Cast adjustment, access opening2026 Medicare rate & RVUs in Delaware

Report this service when a clinician creates a localized opening in an existing cast to access underlying skin, a wound, or an incision.

CMS RVU26DEffective Oct 1, 2026One payment locality119 Medicare services in 2024

In Delaware, Medicare pays $66.39 for 29730 in the office and $38.34 when it’s performed in a hospital or facility.

$66.39Office (non-facility)
$38.34Hospital or facility
−1.1%vs the national office rate ($67.14)

Check a contract rate as a % of Medicare · 29730 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 29730 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Delaware
  2. What 29730 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 29730 covers

Cast windowing creates a localized opening in an existing cast so a clinician can reach the skin, wound, or incision beneath it while the remaining cast stays in place. Orthopedic clinicians managing fractures commonly perform it in an office or facility when access to a specific area is needed without removing the entire cast. The opening is the service; cast removal, repair, or a change in alignment describes a different procedure.

Report 29730 when documentation identifies the cast and the location and purpose of the opening. CMS assigns a 0-day global period, so same-day preoperative and postoperative care is included. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and other procedures are subject to the standard 50% reduction. Modifier 50 is inappropriate for this service. CMS does not pay an assistant at surgery for this code, and 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 Delaware compares for 29730

Across 109 of 109 payment localities, the office rate for 29730 runs from $59.73 in Arkansas to $85.08 in San Benito County, CA. Delaware pays $66.39. The RVUs are the same everywhere; the geographic indexes change the dollars.

29730 in Delaware vs other payment areas
  1. Delaware · this page$66.39
  2. Los Angeles, CA · California$73.88+$7.49
  3. Washington, DC area · District of Columbia$75.80+$9.41
  4. Miami, FL · Florida$74.85+$8.46
  5. Chicago, IL · Illinois$72.69+$6.30
  6. Manhattan, NY · New York$77.32+$10.93
  7. Alaska · Alaska$80.05+$13.66

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

Every other payment area

29730 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$60.55$35.71
ArkansasArkansas$59.73$35.34
ArizonaArizona$65.36$37.85
Bakersfield, CACalifornia$69.75$38.64
Chico, CACalifornia$69.41$38.29
El Centro, CACalifornia$69.43$38.31
Fresno, CACalifornia$69.41$38.29
Hanford, CACalifornia$69.41$38.29

29730 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.

$59.73

$80.05

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

View every state and territory as a table
29730 office rate range by state
State / territoryOffice rate rangeLocalities
AK$80.051
AL$60.551
AR$59.731
AZ$65.361
CA$69.41–$85.0829
CO$69.031
CT$71.451
DC$75.801
DE$66.391
FL$67.45–$74.853
GA$63.72–$68.632
GU$70.761
HI$70.761
IA$61.431
ID$61.921
IL$66.02–$72.694
IN$62.251
KS$61.431
KY$62.491
LA$62.51–$65.392
MA$68.77–$75.212
MD$67.52–$75.803
ME$62.52–$65.312
MI$64.28–$68.532
MN$65.441
MO$61.68–$65.283
MS$60.701
MT$67.131
NC$63.091
ND$64.751
NE$61.661
NH$68.221
NJ$72.06–$75.142
NM$64.731
NV$66.511
NY$64.01–$79.455
OH$63.801
OK$62.101
OR$65.79–$70.802
PA$63.74–$69.942
PR$67.501
RI$68.441
SC$63.591
SD$64.471
TN$61.751
TX$63.36–$68.978
UT$64.401
VA$65.30–$75.802
VI$67.501
VT$64.771
WA$68.55–$76.422
WI$62.731
WV$63.791
WY$66.091

See 29730 in every payment locality

How the 29730 rate is calculated

Each of 29730’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 · 29730

RVUs × geographic indexes × conversion factor

Office or facility?

Work0.73

0.73 RVUs× 1.000 GPCI

Practice expense1.16

1.16 RVUs× 1.000 GPCI

Malpractice0.12

0.12 RVUs× 1.000 GPCI

Adjusted RVUs

2.0100

Conversion factor

$33.4009

Medicare rate

$67.14

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

The exact Delaware inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

3,310

Code
29730
Physician work
0.73
Practice expense
1.16
Malpractice
0.12

GPCI2026.csv

40

Locality
Delaware
Physician work
1.005
Practice expense
0.988
Malpractice
0.899
Office calculation for 29730 in Delaware
ComponentRVULocality factorAdjusted
Physician work0.73× 1.0050.7336
Practice expense1.16× 0.9881.1461
Malpractice0.12× 0.8990.1079
Total RVUs1.9876
Conversion factor× 33.4009

Office rate, Delaware$66.39

Office: (0.73 × 1.005 + 1.16 × 0.988 + 0.12 × 0.899) × $33.4009 = $66.39

Facility: (0.73 × 1.005 + 0.31 × 0.988 + 0.12 × 0.899) × $33.4009 = $38.34

Open 29730 in the RVU calculator

Payment rules and modifiers for 29730

The CMS indicators that decide how 29730 is paid alongside other services.

CMS payment indicators · 29730

Cast adjustment, access opening

RuleCMS valueWhat it means
Global period000Same-day global: pre- and post-op care on the day of the procedure is included.
Multiple procedures2Standard reduction: highest-valued procedure at 100%, others at 50%.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
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.

What modifiers do to the payment

Modifier 51 · payment effect

With and without the modifier

29730 without 51 · national office

$67.14

Cast adjustment, access opening

29730-51 · Second procedure: 50%

$33.57

When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).

When to use modifier 51

Codes related to 29730

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

Codes related to 29730
CodeHow it relatesOffice range, Delaware
Same family
29740Cast wedging, alignment adjustmentCast wedging changes alignment rather than creating an access opening.$108.21
29750Cast wedging, clubfoot castClubfoot cast wedging is a distinct cast adjustment.$116.45
29720Cast repair, body spica or jacketRepairs a spica body cast or jacket rather than creating a localized opening.$96.98

How 29730 has changed in Delaware

29730 · Office / nonfacility

$66.39

Effective 2026-10-01

The base rate is $2.62 higher than on 2025-10-01, moving from $63.77 to $66.39 (4.1%).

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

    $63.77changed to$66.39

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 0.75 changed to 0.73
    • Practice expense RVU 1.10 changed to 1.16
    • Malpractice RVU 0.13 changed to 0.12
    • Work GPCI 1.009 changed to 1.005
    • Practice expense GPCI 0.992 changed to 0.988
    • Malpractice GPCI 0.949 changed to 0.899

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $65.62changed to$63.77

    • Conversion factor 33.2875 changed to 32.3465

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $64.55changed to$65.62

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $64.90changed to$64.55

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 1.04 changed to 1.10
    • Malpractice RVU 0.12 changed to 0.13
    • Work GPCI 1.007 changed to 1.009
    • Practice expense GPCI 1.007 changed to 0.992
    • Malpractice GPCI 0.938 changed to 0.949

  5. January 1, 2023

    RVU23A

    $65.30changed to$64.90

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 1.00 changed to 1.04
    • Work GPCI 1.005 changed to 1.007
    • Practice expense GPCI 1.022 changed to 1.007
    • Malpractice GPCI 0.927 changed to 0.938

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $64.74changed to$65.30

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 0.96 changed to 1.00
    • Malpractice RVU 0.13 changed to 0.12

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $64.45changed to$64.74

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 0.90 changed to 0.96
    • Malpractice RVU 0.11 changed to 0.13
    • Work GPCI 1.006 changed to 1.005
    • Practice expense GPCI 1.021 changed to 1.022
    • Malpractice GPCI 1.023 changed to 0.927

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $65.81changed to$64.45

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 0.93 changed to 0.90
    • Work GPCI 1.007 changed to 1.006
    • Practice expense GPCI 1.019 changed to 1.021
    • Malpractice GPCI 1.119 changed to 1.023

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $66.47changed to$65.81

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 0.95 changed to 0.93

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $67.61changed to$66.47

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 0.97 changed to 0.95
    • Malpractice RVU 0.12 changed to 0.11
    • Work GPCI 1.010 changed to 1.007
    • Practice expense GPCI 1.025 changed to 1.019
    • Malpractice GPCI 1.101 changed to 1.119

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $68.00changed to$67.61

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 0.98 changed to 0.97
    • Work GPCI 1.012 changed to 1.010
    • Practice expense GPCI 1.031 changed to 1.025
    • Malpractice GPCI 1.083 changed to 1.101

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $67.49changed to$68.00

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 0.97 changed to 0.98
    • Malpractice RVU 0.11 changed to 0.12

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $67.15changed to$67.49

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $67.09changed to$67.15

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 0.98 changed to 0.97
    • Practice expense GPCI 1.038 changed to 1.031
    • Malpractice GPCI 0.878 changed to 1.083

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $67.41changed to$67.09

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 1.10 changed to 0.98
    • Practice expense GPCI 1.044 changed to 1.038
    • Malpractice GPCI 0.672 changed to 0.878

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $67.41

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$66.39$38.34RVU26D
2026-07-01$66.39$38.34RVU26C
2026-04-01$66.39$38.34RVU26B
2026-01-01$66.39$38.34RVU26A
2025-10-01$63.77$43.23RVU25D
2025-07-01$63.77$43.23RVU25C
2025-04-01$63.77$43.23RVU25B
2025-01-01$63.77$43.23RVU25A
2024-10-01$65.62$44.49RVU24D
2024-07-01$65.62$44.49RVU24C
2024-04-01$65.62$44.49RVU24B
2024-03-09$65.62$44.49RVU24AR
2024-01-01$64.55$43.76RVU24A
2023-10-01$64.90$44.76RVU23D
2023-07-01$64.90$44.76RVU23C
2023-04-01$64.90$44.76RVU23B
2023-01-01$64.90$44.76RVU23A
2022-10-01$65.30$45.14RVU22D
2022-07-01$65.30$45.14RVU22C
2022-04-01$65.30$45.14RVU22B
2022-01-01$65.30$45.14RVU22A
2021-10-01$64.74$45.13RVU21D
2021-07-01$64.74$45.13RVU21C
2021-04-01$64.74$45.13RVU21B
2021-01-01$64.74$45.13RVU21A
2020-10-01$64.45$45.66RVU20D
2020-07-01$64.45$45.66RVU20C
2020-04-01$64.45$45.66RVU20B
2020-01-01$64.45$45.66RVU20A
2019-10-01$65.81$46.71RVU19D
2019-07-01$65.81$46.71RVU19C
2019-04-01$65.81$46.71RVU19B
2019-01-01$65.81$46.71RVU19A
2018-10-01$66.47$46.66RVU18D
2018-07-01$66.47$46.66RVU18C
2018-04-01$66.47$46.66RVU18B
2018-01-01$66.47$46.66RVU18AR1
2017-10-01$67.61$47.38RVU17D
2017-07-01$67.61$47.38RVU17C
2017-04-01$67.61$47.38RVU17B
2017-01-01$67.61$47.38RVU17A
2016-10-01$68.00$47.70RVU16D
2016-07-01$68.00$47.70RVU16C
2016-04-01$68.00$47.70RVU16B
2016-01-01$68.00$47.70RVU16A
2015-10-01$67.49$47.11RVU15D
2015-07-01$67.49$47.11RVU15C
2015-04-01$67.15$46.88RVU15B
2015-01-01$67.15$46.88RVU15A
2014-10-01$67.09$46.64RVU14D
2014-07-01$67.09$46.64RVU14C
2014-04-01$67.09$46.64RVU14B
2014-01-01$67.09$46.64RVU14A
2013-10-01$67.41$45.03RVU13D
2013-07-01$67.41$45.03RVU13C
2013-04-01$67.41$45.03RVU13B
2013-01-01$67.41$45.03RVU13AR

Price 29730 for an earlier date of service

Where the Delaware rate applies

Delaware is a Medicare payment area, not a city. Our Census mapping connects it to 79 cities and communities in Delaware. Some span more than one payment area; confirm with the service ZIP.

  • Arden
  • Ardencroft
  • Ardentown
  • Bear
  • Bellefonte
  • Bethany Beach
  • Bethel
  • Blades

Browse all communities in Delaware

29730 billing questions

How is cast windowing different from cast wedging?

Windowing creates an opening for access to skin or a wound beneath the cast. Wedging modifies cast alignment; it is reported with the applicable wedging code instead.

Does this code describe removal of the cast?

No. It describes creating a localized opening while the rest of the cast remains in place. Use the applicable cast-removal code when the cast is removed or bivalved.

What documentation supports reporting 29730?

Document the cast being modified, the location and purpose of the opening, and that the opening was performed. A note describing only inspection or cast application does not establish this service.

Should modifier 50 be used for openings on both sides?

No. Modifier 50 is inappropriate for this code under the CMS bilateral adjustment rule.

How does CMS handle other procedures performed in the same session?

The highest-valued procedure is paid in full, and other procedures are subject to the standard 50% multiple-procedure reduction. Same-day preoperative and postoperative care is included in this code's 0-day global period.

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 29730PPRRVU2026_Oct_nonQPP.csv, line 3,310 (RVU26D)
Geographic factors for DelawareGPCI2026.csv, line 40 (RVU26D)

Open CMS sourceHow we calculate rates

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