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CPT code 45379: Colonoscopy, foreign body removal2026 Medicare rate & RVUs in Connecticut

Report this service when a colonoscopy is used to retrieve a foreign object from the colon, rather than only to inspect or sample tissue.

CMS RVU26DEffective Oct 1, 2026One payment locality1.1K Medicare services in 2024

In Connecticut, Medicare pays $510.45 for 45379 in the office and $220.51 when it’s performed in a hospital or facility.

$510.45Office (non-facility)
$220.51Hospital or facility
+6.5%vs the national office rate ($479.30)

Check a contract rate as a % of Medicare · 45379 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 45379 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Connecticut
  2. What 45379 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 45379 covers

A gastroenterologist or colorectal surgeon uses a colonoscope to locate and retrieve foreign material in the colon, often with an endoscopic retrieval device or forceps. The service may be performed in a hospital or ambulatory endoscopy setting when an object requires endoscopic removal. The record should identify the foreign material, its location, and the retrieval performed; routine inspection that does not include removal is not this service.

Select this code when the documented colonoscopy includes foreign-body retrieval, not when the procedure only evaluates the colon, takes a biopsy, or removes a lesion. The diagnostic examination is part of the therapeutic procedure. CMS assigns a 0-day global period, so same-day preoperative and postoperative care is included. When related endoscopies are performed together, CMS endoscopy family pricing applies. Modifier 50 is inappropriate for this anatomy and service. Medicare does not pay an assistant at surgery for this service; 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 Connecticut compares for 45379

Across 109 of 109 payment localities, the office rate for 45379 runs from $425.73 in Arkansas to $630.09 in San Benito County, CA. Connecticut pays $510.45. The RVUs are the same everywhere; the geographic indexes change the dollars.

45379 in Connecticut vs other payment areas
  1. Connecticut · this page$510.45
  2. Los Angeles, CA · California$538.74+$28.29
  3. Washington, DC area · District of Columbia$546.28+$35.83
  4. Miami, FL · Florida$517.60+$7.15
  5. Chicago, IL · Illinois$503.09−$7.36
  6. Manhattan, NY · New York$550.24+$39.79
  7. Alaska · Alaska$562.63+$52.18

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

Every other payment area

45379 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$431.74$196.18
ArkansasArkansas$425.73$194.48
ArizonaArizona$466.91$206.05
Bakersfield, CACalifornia$506.62$211.57
Chico, CACalifornia$505.15$210.09
El Centro, CACalifornia$505.23$210.17
Fresno, CACalifornia$505.15$210.09
Hanford, CACalifornia$505.15$210.09

45379 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.

$425.73

$567.62

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

View every state and territory as a table
45379 office rate range by state
State / territoryOffice rate rangeLocalities
AK$562.631
AL$431.741
AR$425.731
AZ$466.911
CA$505.15–$630.0929
CO$498.101
CT$510.451
DC$546.281
DE$474.461
FL$473.29–$517.603
GA$447.49–$488.192
GU$516.751
HI$516.751
IA$441.921
ID$444.791
IL$460.36–$503.094
IN$447.261
KS$440.111
KY$441.991
LA$441.40–$462.432
MA$495.36–$546.002
MD$483.24–$546.283
ME$447.22–$470.352
MI$453.26–$479.202
MN$477.171
MO$434.21–$463.803
MS$430.041
MT$479.271
NC$451.711
ND$469.581
NE$444.201
NH$490.531
NJ$516.24–$540.982
NM$455.731
NV$476.891
NY$458.26–$563.415
OH$451.281
OK$441.021
OR$473.15–$513.272
PA$451.86–$498.242
PR$482.621
RI$490.861
SC$452.251
SD$468.441
TN$442.271
TX$449.01–$496.498
UT$458.211
VA$468.99–$546.282
VI$482.621
VT$467.981
WA$494.36–$556.742
WI$454.381
WV$443.961
WY$475.051

See 45379 in every payment locality

How the 45379 rate is calculated

Each of 45379’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 · 45379

RVUs × geographic indexes × conversion factor

Office or facility?

Work4.17

4.17 RVUs× 1.000 GPCI

Practice expense9.69

9.69 RVUs× 1.000 GPCI

Malpractice0.49

0.49 RVUs× 1.000 GPCI

Adjusted RVUs

14.3500

Conversion factor

$33.4009

Medicare rate

$479.30

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

The exact Connecticut inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

5,515

Code
45379
Physician work
4.17
Practice expense
9.69
Malpractice
0.49

GPCI2026.csv

38

Locality
Connecticut
Physician work
1.020
Practice expense
1.077
Malpractice
1.210
Office calculation for 45379 in Connecticut
ComponentRVULocality factorAdjusted
Physician work4.17× 1.0204.2534
Practice expense9.69× 1.07710.4361
Malpractice0.49× 1.2100.5929
Total RVUs15.2824
Conversion factor× 33.4009

Office rate, Connecticut$510.45

Office: (4.17 × 1.02 + 9.69 × 1.077 + 0.49 × 1.21) × $33.4009 = $510.45

Facility: (4.17 × 1.02 + 1.63 × 1.077 + 0.49 × 1.21) × $33.4009 = $220.51

Open 45379 in the RVU calculator

Payment rules and modifiers for 45379

The CMS indicators that decide how 45379 is paid alongside other services.

CMS payment indicators · 45379

Colonoscopy, foreign body removal

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

45379 without 51 · national office

$479.30

Colonoscopy, foreign body removal

45379-51 · Second procedure: 50%

$239.65

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 45379

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

Codes related to 45379
CodeHow it relatesOffice range, Connecticut
Used instead
45378Colonoscopy, diagnostic, no tissue removalUse for colonoscopy limited to diagnostic examination, without foreign-body retrieval.$402.98
Same family
45380Colonoscopy with biopsy, single or multiple forceps biopsiesColonoscopy code for tissue sampling rather than foreign-body retrieval.$512.19
45384Colonoscopy polyp removal, hot biopsy or bipolar cauteryColonoscopy code for removal of a lesion using hot biopsy forceps or bipolar cautery.$576.11
45385Snare polypectomy, during colonoscopyColonoscopy code for lesion removal by snare technique.$532.29
45382Colonoscopy, control of bleedingColonoscopy code for controlling bleeding, a different therapeutic service.$779.94

How 45379 has changed in Connecticut

45379 · Office / nonfacility

$510.45

Effective 2026-10-01

The base rate is $63.52 higher than on 2025-10-01, moving from $446.93 to $510.45 (14.2%).

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

    $446.93changed to$510.45

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 4.28 changed to 4.17
    • Practice expense RVU 8.08 changed to 9.69
    • Malpractice RVU 0.52 changed to 0.49
    • Work GPCI 1.022 changed to 1.020
    • Practice expense GPCI 1.091 changed to 1.077
    • Malpractice GPCI 1.207 changed to 1.210

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $464.66changed to$446.93

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 8.21 changed to 8.08

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $457.07changed to$464.66

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $476.32changed to$457.07

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 8.24 changed to 8.21
    • Malpractice RVU 0.53 changed to 0.52
    • Work GPCI 1.030 changed to 1.022
    • Practice expense GPCI 1.102 changed to 1.091
    • Malpractice GPCI 1.070 changed to 1.207

  5. January 1, 2023

    RVU23A

    $496.16changed to$476.32

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 8.45 changed to 8.24
    • Malpractice RVU 0.52 changed to 0.53
    • Work GPCI 1.037 changed to 1.030
    • Practice expense GPCI 1.114 changed to 1.102
    • Malpractice GPCI 0.934 changed to 1.070

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $494.24changed to$496.16

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 8.32 changed to 8.45
    • Malpractice RVU 0.49 changed to 0.52

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $474.71changed to$494.24

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 7.36 changed to 8.32
    • Malpractice RVU 0.51 changed to 0.49
    • Work GPCI 1.029 changed to 1.037
    • Practice expense GPCI 1.113 changed to 1.114
    • Malpractice GPCI 1.094 changed to 0.934

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $464.30changed to$474.71

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 6.99 changed to 7.36
    • Malpractice RVU 0.59 changed to 0.51
    • Work GPCI 1.021 changed to 1.029
    • Practice expense GPCI 1.112 changed to 1.113
    • Malpractice GPCI 1.255 changed to 1.094

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $454.53changed to$464.30

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 6.77 changed to 6.99
    • Malpractice RVU 0.58 changed to 0.59

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $453.31changed to$454.53

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 6.72 changed to 6.77
    • Malpractice RVU 0.60 changed to 0.58
    • Work GPCI 1.023 changed to 1.021
    • Practice expense GPCI 1.117 changed to 1.112
    • Malpractice GPCI 1.244 changed to 1.255

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $532.27changed to$453.31

    • Conversion factor 35.8043 changed to 35.8887
    • Work RVU 4.38 changed to 4.28
    • Practice expense RVU 8.59 changed to 6.72
    • Malpractice RVU 0.61 changed to 0.60
    • Work GPCI 1.024 changed to 1.023
    • Practice expense GPCI 1.121 changed to 1.117
    • Malpractice GPCI 1.232 changed to 1.244

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $560.57changed to$532.27

    • Conversion factor 35.9335 changed to 35.8043
    • Work RVU 4.68 changed to 4.38
    • Practice expense RVU 8.85 changed to 8.59
    • Malpractice RVU 0.72 changed to 0.61

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $557.78changed to$560.57

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $553.98changed to$557.78

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 8.80 changed to 8.85
    • Malpractice RVU 0.69 changed to 0.72
    • Practice expense GPCI 1.116 changed to 1.121
    • Malpractice GPCI 1.234 changed to 1.232

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $575.49changed to$553.98

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 10.12 changed to 8.80
    • Malpractice RVU 0.72 changed to 0.69
    • Practice expense GPCI 1.110 changed to 1.116
    • Malpractice GPCI 1.235 changed to 1.234

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $575.49

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$510.45$220.51RVU26D
2026-07-01$510.45$220.51RVU26C
2026-04-01$510.45$220.51RVU26B
2026-01-01$510.45$220.51RVU26A
2025-10-01$446.93$241.19RVU25D
2025-07-01$446.93$241.19RVU25C
2025-04-01$446.93$241.19RVU25B
2025-01-01$446.93$241.19RVU25A
2024-10-01$464.66$247.48RVU24D
2024-07-01$464.66$247.48RVU24C
2024-04-01$464.66$247.48RVU24B
2024-03-09$464.66$247.48RVU24AR
2024-01-01$457.07$243.44RVU24A
2023-10-01$476.32$250.39RVU23D
2023-07-01$476.32$250.39RVU23C
2023-04-01$476.32$250.39RVU23B
2023-01-01$476.32$250.39RVU23A
2022-10-01$496.16$255.22RVU22D
2022-07-01$496.16$255.22RVU22C
2022-04-01$496.16$255.22RVU22B
2022-01-01$496.16$255.22RVU22A
2021-10-01$494.24$255.19RVU21D
2021-07-01$494.24$255.19RVU21C
2021-04-01$494.24$255.19RVU21B
2021-01-01$494.24$255.19RVU21A
2020-10-01$474.71$264.23RVU20D
2020-07-01$474.71$264.23RVU20C
2020-04-01$474.71$264.23RVU20B
2020-01-01$474.71$264.23RVU20A
2019-10-01$464.30$269.53RVU19D
2019-07-01$464.30$269.53RVU19C
2019-04-01$464.30$269.53RVU19B
2019-01-01$464.30$269.53RVU19A
2018-10-01$454.53$269.99RVU18D
2018-07-01$454.53$269.99RVU18C
2018-04-01$454.53$269.99RVU18B
2018-01-01$454.53$269.99RVU18AR1
2017-10-01$453.31$270.11RVU17D
2017-07-01$453.31$270.11RVU17C
2017-04-01$453.31$270.11RVU17B
2017-01-01$453.31$270.11RVU17A
2016-10-01$532.27$275.39RVU16D
2016-07-01$532.27$275.39RVU16C
2016-04-01$532.27$275.39RVU16B
2016-01-01$532.27$275.39RVU16A
2015-10-01$560.57$299.95RVU15D
2015-07-01$560.57$299.95RVU15C
2015-04-01$557.78$298.46RVU15B
2015-01-01$557.78$298.46RVU15A
2014-10-01$553.98$298.12RVU14D
2014-07-01$553.98$298.12RVU14C
2014-04-01$553.98$298.12RVU14B
2014-01-01$553.98$298.12RVU14A
2013-10-01$575.49$295.65RVU13D
2013-07-01$575.49$295.65RVU13C
2013-04-01$575.49$295.65RVU13B
2013-01-01$575.49$295.65RVU13AR

Price 45379 for an earlier date of service

Where the Connecticut rate applies

Connecticut is a Medicare payment area, not a city. Our Census mapping connects it to 215 cities and communities in Connecticut. Some span more than one payment area; confirm with the service ZIP.

  • Ansonia
  • Ball Pond
  • Baltic
  • Bantam
  • Bethel
  • Bethlehem Village
  • Bigelow Corners
  • Blue Hills

Browse all communities in Connecticut

45379 billing questions

How is this different from a diagnostic colonoscopy?

Use this code when the colonoscopy includes retrieval of a foreign object. A colonoscopy performed only to examine the colon, without foreign-body removal, is reported as a diagnostic colonoscopy.

Should a biopsy or lesion-removal code be used instead?

Use a biopsy or lesion-removal code when tissue is sampled or a lesion is removed, rather than a foreign object. The operative report should make clear what was retrieved or treated.

Can a diagnostic colonoscopy also be reported for the same procedure?

The inspection needed to locate and retrieve the foreign object is part of the therapeutic colonoscopy. CMS endoscopy family pricing applies when related endoscopies are performed together.

Does modifier 50 apply?

No. CMS identifies bilateral adjustment as inappropriate for this service and anatomy.

Can an assistant surgeon or co-surgeon be billed?

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

What documentation supports reporting this code?

Document the foreign material, its location in the colon, and the endoscopic retrieval performed. The record should distinguish retrieval from biopsy, lesion removal, or inspection alone.

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 45379PPRRVU2026_Oct_nonQPP.csv, line 5,515 (RVU26D)
Geographic factors for ConnecticutGPCI2026.csv, line 38 (RVU26D)

Open CMS sourceHow we calculate rates

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