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CPT code 45340: Sigmoidoscopy dilation, transendoscopic balloon2026 Medicare rate & RVUs in Fort Worth, TX

Reports flexible sigmoidoscopy in which an endoscopist passes and inflates a balloon through the scope to widen a rectal or sigmoid stricture.

CMS RVU26DEffective Oct 1, 2026One payment locality1K Medicare services in 2024

In Fort Worth, TX, Medicare pays $500.54 for 45340 in the office and $71.75 when it’s performed in a hospital or facility.

$500.54Office (non-facility)
$71.75Hospital or facility
−1.3%vs the national office rate ($507.36)

Check a contract rate as a % of Medicare · 45340 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 45340 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Fort Worth, TX
  2. What 45340 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 45340 covers

During flexible sigmoidoscopy, the endoscopist guides a dilation balloon through the scope to a narrowed area in the rectum or sigmoid colon, then inflates it under endoscopic visualization to enlarge the passage. Gastroenterologists and colorectal surgeons commonly perform this treatment for a stricture that limits passage through the distal bowel, including a narrowing at a surgical anastomosis. The procedure may take place in an endoscopy unit or hospital outpatient setting.

Report 45340 when the flexible sigmoidoscopy includes transendoscopic balloon dilation; diagnostic inspection alone is not the dilation service. The procedure note should identify the narrowed site and document balloon dilation. CMS assigns a 0-day global period, so same-day preoperative and postoperative care is included. When related endoscopies are performed together, endoscopy family pricing applies. Modifier 50 is inappropriate. Medicare does not pay an assistant at surgery for this code, and co-surgery 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 Fort Worth, TX compares for 45340

Across 109 of 109 payment localities, the office rate for 45340 runs from $439.61 in Arkansas to $712.94 in San Benito County, CA. Fort Worth, TX pays $500.54. The RVUs are the same everywhere; the geographic indexes change the dollars.

45340 in Fort Worth, TX vs other payment areas
  1. Fort Worth, TX · this page$500.54
  2. Austin, TX · Texas$533.53+$32.99
  3. Beaumont, TX · Texas$465.47−$35.07
  4. Brazoria, TX · Texas$502.29+$1.75
  5. Dallas, TX · Texas$505.08+$4.54
  6. Galveston, TX · Texas$503.48+$2.94
  7. Houston, TX · Texas$506.59+$6.05

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

Every other payment area

45340 in every other Medicare payment locality
Payment localityOfficeFacility
Rest of TexasTexas$483.30$70.60
Los Angeles, CACalifornia$591.47$77.01
Washington, DC areaDistrict of Columbia$592.25$79.96
Miami, FLFlorida$534.94$82.23
Chicago, ILIllinois$517.30$80.25
Manhattan, NYNew York$587.97$82.64
AlaskaAlaska$555.15$92.00
AlabamaAlabama$447.28$66.76

45340 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.

$439.61

$631.31

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

View every state and territory as a table
45340 office rate range by state
State / territoryOffice rate rangeLocalities
AK$555.151
AL$447.281
AR$439.611
AZ$492.251
CA$549.67–$712.9429
CO$536.101
CT$544.861
DC$592.251
DE$501.461
FL$489.93–$534.943
GA$458.67–$516.002
GU$568.121
HI$568.121
IA$464.761
ID$467.491
IL$470.46–$524.474
IN$470.791
KS$460.291
KY$455.711
LA$454.11–$480.942
MA$531.29–$597.832
MD$512.83–$592.253
ME$468.34–$501.122
MI$467.99–$495.122
MN$516.731
MO$443.60–$485.253
MS$441.811
MT$507.351
NC$474.431
ND$503.991
NE$468.341
NH$525.551
NJ$551.95–$584.062
NM$470.241
NV$506.871
NY$482.63–$601.955
OH$467.301
OK$456.771
OR$503.83–$557.722
PA$469.25–$528.092
PR$512.341
RI$522.731
SC$471.481
SD$503.591
TN$462.791
TX$465.47–$533.538
UT$479.121
VA$497.85–$592.252
VI$512.341
VT$499.951
WA$530.96–$612.992
WI$484.071
WV$449.421
WY$505.881

See 45340 in every payment locality

How the 45340 rate is calculated

Each of 45340’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 · 45340

RVUs × geographic indexes × conversion factor

Office or facility?

Work1.22

1.22 RVUs× 1.000 GPCI

Practice expense13.80

13.80 RVUs× 1.000 GPCI

Malpractice0.17

0.17 RVUs× 1.000 GPCI

Adjusted RVUs

15.1900

Conversion factor

$33.4009

Medicare rate

$507.36

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

The exact Fort Worth, TX inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

5,506

Code
45340
Physician work
1.22
Practice expense
13.80
Malpractice
0.17

GPCI2026.csv

100

Locality
Fort Worth, TX
Physician work
1.009
Practice expense
0.986
Malpractice
0.871
Office calculation for 45340 in Fort Worth, TX
ComponentRVULocality factorAdjusted
Physician work1.22× 1.0091.2310
Practice expense13.80× 0.98613.6068
Malpractice0.17× 0.8710.1481
Total RVUs14.9858
Conversion factor× 33.4009

Office rate, Fort Worth, TX$500.54

Office: (1.22 × 1.009 + 13.8 × 0.986 + 0.17 × 0.871) × $33.4009 = $500.54

Facility: (1.22 × 1.009 + 0.78 × 0.986 + 0.17 × 0.871) × $33.4009 = $71.75

Open 45340 in the RVU calculator

Payment rules and modifiers for 45340

The CMS indicators that decide how 45340 is paid alongside other services.

CMS payment indicators · 45340

Sigmoidoscopy dilation, transendoscopic balloon

RuleCMS valueWhat it means
Global period000Same-day global: pre- and post-op care on the day of the procedure is included.
Multiple procedures3Endoscopy family rules apply.
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

45340 without 51 · national office

$507.36

Sigmoidoscopy dilation, transendoscopic balloon

45340-51 · Second procedure: 50%

$253.68

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 45340

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

Codes related to 45340
CodeHow it relatesOffice range, Fort Worth, TX
Same family
45386Colonoscopy, balloon dilationColonoscopic counterpart for transendoscopic balloon dilation when the examination is a colonoscopy.$662.11
Used instead
45303Proctosigmoidoscopy, dilation of a narrowingDilation performed with proctosigmoidoscopy rather than flexible sigmoidoscopy.$1,011.22
45330Flexible sigmoidoscopy, diagnosticDiagnostic flexible sigmoidoscopy without balloon dilation.$212.26
Often billed with
45331Sigmoidoscopy, with biopsyMay describe biopsy during a separately documented sigmoidoscopy service; endoscopy family pricing applies when related endoscopies are performed together.$318.78

How 45340 has changed in Fort Worth, TX

45340 · Office / nonfacility

$500.54

Effective 2026-10-01

The base rate is $75.04 higher than on 2025-10-01, moving from $425.50 to $500.54 (17.6%).

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

    $425.50changed to$500.54

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 1.25 changed to 1.22
    • Practice expense RVU 11.77 changed to 13.80
    • Malpractice RVU 0.16 changed to 0.17
    • Work GPCI 1.011 changed to 1.009
    • Practice expense GPCI 0.998 changed to 0.986
    • Malpractice GPCI 0.902 changed to 0.871

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $452.10changed to$425.50

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 12.18 changed to 11.77
    • Malpractice RVU 0.18 changed to 0.16

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $444.72changed to$452.10

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $465.49changed to$444.72

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 12.39 changed to 12.18
    • Work GPCI 1.013 changed to 1.011
    • Practice expense GPCI 0.996 changed to 0.998
    • Malpractice GPCI 0.721 changed to 0.902

  5. January 1, 2023

    RVU23A

    $490.81changed to$465.49

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 12.88 changed to 12.39
    • Work GPCI 1.016 changed to 1.013
    • Practice expense GPCI 0.995 changed to 0.996
    • Malpractice GPCI 0.539 changed to 0.721

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $497.97changed to$490.81

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 12.98 changed to 12.88
    • Malpractice RVU 0.16 changed to 0.18

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $460.97changed to$497.97

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 11.51 changed to 12.98
    • Work GPCI 1.011 changed to 1.016
    • Practice expense GPCI 0.991 changed to 0.995
    • Malpractice GPCI 0.643 changed to 0.539

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $447.84changed to$460.97

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 11.19 changed to 11.51
    • Malpractice RVU 0.18 changed to 0.16
    • Work GPCI 1.007 changed to 1.011
    • Practice expense GPCI 0.986 changed to 0.991
    • Malpractice GPCI 0.747 changed to 0.643

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $437.33changed to$447.84

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 10.90 changed to 11.19
    • Malpractice RVU 0.19 changed to 0.18

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $434.15changed to$437.33

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 10.80 changed to 10.90
    • Malpractice RVU 0.18 changed to 0.19
    • Work GPCI 1.006 changed to 1.007
    • Practice expense GPCI 0.991 changed to 0.986
    • Malpractice GPCI 0.760 changed to 0.747

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $494.08changed to$434.15

    • Conversion factor 35.8043 changed to 35.8887
    • Work RVU 1.35 changed to 1.25
    • Practice expense RVU 12.35 changed to 10.80
    • Malpractice RVU 0.20 changed to 0.18
    • Work GPCI 1.005 changed to 1.006
    • Practice expense GPCI 0.995 changed to 0.991
    • Malpractice GPCI 0.772 changed to 0.760

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $493.82changed to$494.08

    • Conversion factor 35.9335 changed to 35.8043
    • Work RVU 1.89 changed to 1.35
    • Practice expense RVU 11.67 changed to 12.35
    • Malpractice RVU 0.30 changed to 0.20

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $491.37changed to$493.82

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $486.64changed to$491.37

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 11.61 changed to 11.67
    • Malpractice RVU 0.29 changed to 0.30
    • Work GPCI 1.002 changed to 1.005
    • Practice expense GPCI 0.987 changed to 0.995
    • Malpractice GPCI 0.799 changed to 0.772

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $518.74changed to$486.64

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 13.39 changed to 11.61
    • Malpractice RVU 0.30 changed to 0.29
    • Work GPCI 1.000 changed to 1.002
    • Practice expense GPCI 0.979 changed to 0.987
    • Malpractice GPCI 0.826 changed to 0.799

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $518.74

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$500.54$71.75RVU26D
2026-07-01$500.54$71.75RVU26C
2026-04-01$500.54$71.75RVU26B
2026-01-01$500.54$71.75RVU26A
2025-10-01$425.50$74.92RVU25D
2025-07-01$425.50$74.92RVU25C
2025-04-01$425.50$74.92RVU25B
2025-01-01$425.50$74.92RVU25A
2024-10-01$452.10$77.37RVU24D
2024-07-01$452.10$77.37RVU24C
2024-04-01$452.10$77.37RVU24B
2024-03-09$452.10$77.37RVU24AR
2024-01-01$444.72$76.11RVU24A
2023-10-01$465.49$77.01RVU23D
2023-07-01$465.49$77.01RVU23C
2023-04-01$465.49$77.01RVU23B
2023-01-01$465.49$77.01RVU23A
2022-10-01$490.81$76.92RVU22D
2022-07-01$490.81$76.92RVU22C
2022-04-01$490.81$76.92RVU22B
2022-01-01$490.81$76.92RVU22A
2021-10-01$497.97$76.83RVU21D
2021-07-01$497.97$76.83RVU21C
2021-04-01$497.97$76.83RVU21B
2021-01-01$497.97$76.83RVU21A
2020-10-01$460.97$79.01RVU20D
2020-07-01$460.97$79.01RVU20C
2020-04-01$460.97$79.01RVU20B
2020-01-01$460.97$79.01RVU20A
2019-10-01$447.84$79.70RVU19D
2019-07-01$447.84$79.70RVU19C
2019-04-01$447.84$79.70RVU19B
2019-01-01$447.84$79.70RVU19A
2018-10-01$437.33$80.24RVU18D
2018-07-01$437.33$80.24RVU18C
2018-04-01$437.33$80.24RVU18B
2018-01-01$437.33$80.24RVU18AR1
2017-10-01$434.15$80.27RVU17D
2017-07-01$434.15$80.27RVU17C
2017-04-01$434.15$80.27RVU17B
2017-01-01$434.15$80.27RVU17A
2016-10-01$494.08$85.46RVU16D
2016-07-01$494.08$85.46RVU16C
2016-04-01$494.08$85.46RVU16B
2016-01-01$494.08$85.46RVU16A
2015-10-01$493.82$117.34RVU15D
2015-07-01$493.82$117.34RVU15C
2015-04-01$491.37$116.75RVU15B
2015-01-01$491.37$116.75RVU15A
2014-10-01$486.64$116.45RVU14D
2014-07-01$486.64$116.45RVU14C
2014-04-01$486.64$116.45RVU14B
2014-01-01$486.64$116.45RVU14A
2013-10-01$518.74$116.04RVU13D
2013-07-01$518.74$116.04RVU13C
2013-04-01$518.74$116.04RVU13B
2013-01-01$518.74$116.04RVU13AR

Price 45340 for an earlier date of service

Where the Fort Worth, TX rate applies

Fort Worth, TX is a Medicare payment area, not a city. Our Census mapping connects it to 45 cities and communities in Texas. Some span more than one payment area; confirm with the service ZIP.

Browse all communities in Texas

45340 billing questions

When should 45340 be chosen over 45330?

Use 45340 when a balloon is passed through the flexible sigmoidoscope and inflated to widen a stricture. Use 45330 for diagnostic flexible sigmoidoscopy without that therapeutic dilation.

Can the diagnostic sigmoidoscopy be reported separately?

Inspection of the bowel as part of the dilation procedure is integral to reporting 45340. Do not separately report a diagnostic examination for that same scope passage.

What documentation supports 45340?

Document the stricture's location and the transendoscopic balloon dilation performed. The record should make clear that dilation, rather than inspection alone, was carried out.

Should modifier 50 be appended for a stricture on both sides?

No. CMS identifies bilateral adjustment as inappropriate for this code; report the sigmoidoscopy dilation without modifier 50.

Can an assistant surgeon or co-surgeon be reported?

Medicare does not pay an assistant at surgery for 45340. Co-surgeons and team surgery are not permitted for this code.

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 45340PPRRVU2026_Oct_nonQPP.csv, line 5,506 (RVU26D)
Geographic factors for Fort Worth, TXGPCI2026.csv, line 100 (RVU26D)

Open CMS sourceHow we calculate rates

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