CPT code 47541: Biliary access, into small bowel2026 Medicare rate & RVUs in Marin County, CA

Reports percutaneous creation of access through the biliary tree into the small bowel, typically to enable biliary intervention through that route.

CMS RVU26DEffective Oct 1, 2026One payment locality137 Medicare services in 2024

In Marin County, CA, Medicare pays $1,571.41 for 47541 in the office and $317.74 when it’s performed in a hospital or facility.

$1,571.41Office (non-facility)
$317.74Hospital or facility
+32.9%vs the national office rate ($1,182.73)

Check a contract rate as a % of Medicare · 47541 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 47541 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Marin County, CA
  2. What 47541 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 47541 covers

An interventional radiologist or other qualified physician creates a percutaneous route through the biliary tree and across into the small bowel. The service is used when access across the biliary pathway is needed for an intervention, rather than placement of a biliary drainage catheter or stent. Imaging guidance and associated radiological supervision and interpretation are included, as is diagnostic cholangiography when performed.

Report the code when documentation supports percutaneous access traversing the biliary tree into the small bowel. Record the route, access achieved, imaging guidance, and any cholangiography performed. The 0-day global period includes same-day preoperative and postoperative care. 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. Bilateral adjustment is inappropriate for this anatomy and service. Medicare does not pay an assistant at surgery, and co-surgeons and team surgery are not permitted for this code.

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 Marin County, CA compares for 47541

Across 109 of 109 payment localities, the office rate for 47541 runs from $1,037.18 in Arkansas to $1,606.80 in San Benito County, CA. Marin County, CA pays $1,571.41. The RVUs are the same everywhere; the geographic indexes change the dollars.

47541 in Marin County, CA vs other payment areas
  1. Marin County, CA · this page$1,571.41
  2. Bakersfield, CA · California$1,265.52−$305.89
  3. Chico, CA · California$1,263.01−$308.40
  4. El Centro, CA · California$1,263.15−$308.26
  5. Fresno, CA · California$1,263.01−$308.40
  6. Hanford, CA · California$1,263.01−$308.40
  7. Los Angeles, CA · California$1,353.22−$218.19

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

Every other payment area

47541 in every other Medicare payment locality
Payment localityOfficeFacility
Madera, CACalifornia$1,263.01$288.52
Merced, CACalifornia$1,263.01$288.52
Modesto, CACalifornia$1,263.01$288.52
Napa, CACalifornia$1,479.79$307.92
Oxnard, CACalifornia$1,348.27$297.31
Redding, CACalifornia$1,263.01$288.52
Rest of CaliforniaCalifornia$1,263.01$288.52
Riverside, CACalifornia$1,272.23$297.74

47541 rates by state

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

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.

$1,037.18

$1,434.91

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

View every state and territory as a table
47541 office rate range by state
State / territoryOffice rate rangeLocalities
AK$1,340.611
AL$1,053.581
AR$1,037.181
AZ$1,149.671
CA$1,263.01–$1,606.8029
CO$1,238.961
CT$1,265.041
DC$1,364.151
DE$1,169.741
FL$1,155.89–$1,264.453
GA$1,087.24–$1,204.042
GU$1,298.811
HI$1,298.811
IA$1,086.171
ID$1,093.001
IL$1,117.40–$1,231.424
IN$1,099.911
KS$1,078.931
KY$1,076.581
LA$1,074.06–$1,131.452
MA$1,230.01–$1,369.922
MD$1,193.81–$1,364.153
ME$1,097.23–$1,163.842
MI$1,105.08–$1,169.492
MN$1,189.841
MO$1,053.02–$1,137.923
MS$1,045.411
MT$1,182.671
NC$1,109.861
ND$1,165.861
NE$1,093.111
NH$1,217.491
NJ$1,280.25–$1,348.032
NM$1,110.861
NV$1,178.921
NY$1,127.57–$1,397.755
OH$1,101.651
OK$1,076.401
OR$1,170.56–$1,282.712
PA$1,104.53–$1,230.482
PR$1,192.581
RI$1,214.681
SC$1,107.441
SD$1,163.871
TN$1,084.541
TX$1,096.60–$1,234.138
UT$1,123.761
VA$1,158.49–$1,364.152
VI$1,192.581
VT$1,159.361
WA$1,228.33–$1,400.662
WI$1,123.831
WV$1,072.541
WY$1,175.341

See 47541 in every payment locality

How the 47541 rate is calculated

Each of 47541’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 · 47541

RVUs × geographic indexes × conversion factor

Office or facility?

Work6.58

6.58 RVUs× 1.000 GPCI

Practice expense27.98

27.98 RVUs× 1.000 GPCI

Malpractice0.85

0.85 RVUs× 1.000 GPCI

Adjusted RVUs

35.4100

Conversion factor

$33.4009

Medicare rate

$1,182.73

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

The exact Marin County, CA inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

5,693

Code
47541
Physician work
6.58
Practice expense
27.98
Malpractice
0.85

GPCI2026.csv

25

Locality
Marin County, CA
Physician work
1.095
Practice expense
1.410
Malpractice
0.459
Office calculation for 47541 in Marin County, CA
ComponentRVULocality factorAdjusted
Physician work6.58× 1.0957.2051
Practice expense27.98× 1.41039.4518
Malpractice0.85× 0.4590.3901
Total RVUs47.0470
Conversion factor× 33.4009

Office rate, Marin County, CA$1571.41

Office: (6.58 × 1.095 + 27.98 × 1.41 + 0.85 × 0.459) × $33.4009 = $1571.41

Facility: (6.58 × 1.095 + 1.36 × 1.41 + 0.85 × 0.459) × $33.4009 = $317.74

Open 47541 in the RVU calculator

Payment rules and modifiers for 47541

The CMS indicators that decide how 47541 is paid alongside other services.

CMS payment indicators · 47541

Biliary access, into small bowel

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

47541 without 51 · national office

$1,182.73

Biliary access, into small bowel

47541-51 · Second procedure: 50%

$591.37

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

How 47541 has changed in Marin County, CA

47541 · Office / nonfacility

$1571.41

Effective 2026-10-01

The base rate is $116.36 higher than on 2025-10-01, moving from $1455.05 to $1571.41 (8.0%).

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

    $1455.05changed to$1571.41

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 6.75 changed to 6.58
    • Practice expense RVU 26.28 changed to 27.98
    • Malpractice RVU 0.74 changed to 0.85
    • Work GPCI 1.088 changed to 1.095
    • Practice expense GPCI 1.419 changed to 1.410
    • Malpractice GPCI 0.470 changed to 0.459

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $1522.10changed to$1455.05

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 26.81 changed to 26.28
    • Malpractice RVU 0.72 changed to 0.74

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $1497.25changed to$1522.10

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $1545.39changed to$1497.25

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 27.62 changed to 26.81
    • Work GPCI 1.082 changed to 1.088
    • Practice expense GPCI 1.374 changed to 1.419
    • Malpractice GPCI 0.487 changed to 0.470
  5. January 1, 2023

    RVU23A

    $1566.78changed to$1545.39

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 28.35 changed to 27.62
    • Malpractice RVU 0.65 changed to 0.72
    • Work GPCI 1.077 changed to 1.082
    • Practice expense GPCI 1.329 changed to 1.374
    • Malpractice GPCI 0.504 changed to 0.487

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $1599.26changed to$1566.78

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 29.20 changed to 28.35
    • Malpractice RVU 0.64 changed to 0.65
    • Work GPCI 1.071 changed to 1.077
    • Practice expense GPCI 1.311 changed to 1.329

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $1549.01changed to$1599.26

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 27.27 changed to 29.20
    • Malpractice RVU 0.60 changed to 0.64
    • Work GPCI 1.068 changed to 1.071
    • Practice expense GPCI 1.299 changed to 1.311
    • Malpractice GPCI 0.481 changed to 0.504

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $1499.77changed to$1549.01

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 26.45 changed to 27.27
    • Malpractice RVU 0.61 changed to 0.60
    • Work GPCI 1.065 changed to 1.068
    • Practice expense GPCI 1.291 changed to 1.299
    • Malpractice GPCI 0.458 changed to 0.481

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $1465.55changed to$1499.77

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 26.01 changed to 26.45
    • Malpractice RVU 0.60 changed to 0.61
    • Work GPCI 1.062 changed to 1.065
    • Practice expense GPCI 1.279 changed to 1.291

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $1449.13changed to$1465.55

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 25.91 changed to 26.01
    • Malpractice RVU 0.64 changed to 0.60
    • Work GPCI 1.058 changed to 1.062
    • Practice expense GPCI 1.271 changed to 1.279
    • Malpractice GPCI 0.477 changed to 0.458

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    No ratechanged to$1449.13

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    No ratechanged toNo rate

    Held through RVU16B, RVU16C, RVU16D.

  13. January 1, 2013

    RVU13AR

    Earliest loaded release: No rate

    Held through RVU13B, RVU13C, RVU13D, RVU14A, RVU14B, RVU14C, RVU14D, RVU15A, RVU15B, RVU15C, RVU15D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$1,571.41$317.74RVU26D
2026-07-01$1,571.41$317.74RVU26C
2026-04-01$1,571.41$317.74RVU26B
2026-01-01$1,571.41$317.74RVU26A
2025-10-01$1,455.05$355.75RVU25D
2025-07-01$1,455.05$355.75RVU25C
2025-04-01$1,455.05$355.75RVU25B
2025-01-01$1,455.05$355.75RVU25A
2024-10-01$1,522.10$362.95RVU24D
2024-07-01$1,522.10$362.95RVU24C
2024-04-01$1,522.10$362.95RVU24B
2024-03-09$1,522.10$362.95RVU24AR
2024-01-01$1,497.25$357.03RVU24A
2023-10-01$1,545.39$367.40RVU23D
2023-07-01$1,545.39$367.40RVU23C
2023-04-01$1,545.39$367.40RVU23B
2023-01-01$1,545.39$367.40RVU23A
2022-10-01$1,566.78$366.86RVU22D
2022-07-01$1,566.78$366.86RVU22C
2022-04-01$1,566.78$366.86RVU22B
2022-01-01$1,566.78$366.86RVU22A
2021-10-01$1,599.26$365.06RVU21D
2021-07-01$1,599.26$365.06RVU21C
2021-04-01$1,599.26$365.06RVU21B
2021-01-01$1,599.26$365.06RVU21A
2020-10-01$1,549.01$377.94RVU20D
2020-07-01$1,549.01$377.94RVU20C
2020-04-01$1,549.01$377.94RVU20B
2020-01-01$1,549.01$377.94RVU20A
2019-10-01$1,499.77$375.23RVU19D
2019-07-01$1,499.77$375.23RVU19C
2019-04-01$1,499.77$375.23RVU19B
2019-01-01$1,499.77$375.23RVU19A
2018-10-01$1,465.55$375.70RVU18D
2018-07-01$1,465.55$375.70RVU18C
2018-04-01$1,465.55$375.70RVU18B
2018-01-01$1,465.55$375.70RVU18AR1
2017-10-01$1,449.13$374.91RVU17D
2017-07-01$1,449.13$374.91RVU17C
2017-04-01$1,449.13$374.91RVU17B
2017-01-01$1,449.13$374.91RVU17A
2016-10-01Rate data unavailableRate data unavailableRVU16D
2016-07-01Rate data unavailableRate data unavailableRVU16C
2016-04-01Rate data unavailableRate data unavailableRVU16B
2016-01-01Rate data unavailableRate data unavailableRVU16A
2015-10-01Not in this releaseNot in this releaseRVU15D
2015-07-01Not in this releaseNot in this releaseRVU15C
2015-04-01Not in this releaseNot in this releaseRVU15B
2015-01-01Not in this releaseNot in this releaseRVU15A
2014-10-01Not in this releaseNot in this releaseRVU14D
2014-07-01Not in this releaseNot in this releaseRVU14C
2014-04-01Not in this releaseNot in this releaseRVU14B
2014-01-01Not in this releaseNot in this releaseRVU14A
2013-10-01Not in this releaseNot in this releaseRVU13D
2013-07-01Not in this releaseNot in this releaseRVU13C
2013-04-01Not in this releaseNot in this releaseRVU13B
2013-01-01Not in this releaseNot in this releaseRVU13AR

Price 47541 for an earlier date of service

Where the Marin County, CA rate applies

Marin County, CA is a Medicare payment area, not a city. Our Census mapping connects it to 31 cities and communities in California. Some span more than one payment area; confirm with the service ZIP.

  • Alto
  • Belvedere
  • Black Point-Green Point
  • Bolinas
  • Corte Madera
  • Dillon Beach
  • Fairfax
  • Inverness

Browse all communities in California

47541 billing questions

How does this differ from biliary drainage catheter placement?

This code describes establishing percutaneous access through the biliary tree into the small bowel. Codes 47533 and 47534 describe placement of a biliary drainage catheter.

Is diagnostic cholangiography reported separately?

Diagnostic cholangiography performed as part of this access service is included. The documentation should identify whether it was performed and support the access route.

Can modifier 50 be used?

No bilateral adjustment applies; the anatomy and service make modifier 50 inappropriate.

Does Medicare allow an assistant or co-surgeon?

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

What same-session payment reduction should billers expect?

Under the standard multiple procedure reduction, the highest-valued procedure is paid in full and other procedures performed in the same session 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 47541PPRRVU2026_Oct_nonQPP.csv, line 5,693 (RVU26D)
Geographic factors for Marin County, CAGPCI2026.csv, line 25 (RVU26D)

Open CMS sourceHow we calculate rates

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