Billing code 55865: ProstatectomyMedicare rate & RVUs in Minooka, Illinois

Compare Medicare physician payments in Minooka, IL. Census city boundaries cover Grundy County, Kendall County, Will County. Use the service ZIP to confirm the payment locality for a specific address.

CMS RVU26DEffective Oct 1, 20262 payment localities

CMS doesn’t publish an office rate for 55865 in Minooka, Illinois.

—Office (non-facility)
$1,223.51–$1,283.37Hospital or facility

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 55865 for the payment locality that covers the ZIP.

On this page 6 sections
  1. Rate in Minooka, Illinois
  2. By payment locality
  3. City and payment areas
  4. How it’s calculated
  5. Payment rules
  6. Sources

Where 55865 pays more and less in Minooka, Illinois

Minooka, Illinois maps to 2 Medicare payment localities in our Census-to-CMS crosswalk. A city name alone doesn’t confirm an address’s payment area.

55865 office and facility rates by payment locality
Payment localityOfficeFacility
Rest Of IllinoisUnavailable$1,223.51
Suburban ChicagoUnavailable$1,283.37

How payment areas work in Minooka

City limits and Medicare payment areas are different maps. These are the payment areas that cover the city’s counties; the service ZIP decides which one applies.

  • Rest of Illinois · Grundy County, Kendall County
  • Suburban Chicago · Will County

City boundaries: 2026 Census geography · Census source · CMS county-to-locality definitions

How the 55865 rate is calculated

Each of 55865’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 · 55865

RVUs × geographic indexes × conversion factor

Work23.96

23.96 RVUs× 1.000 GPCI

Practice expense8.64

8.64 RVUs× 1.000 GPCI

Malpractice3.06

3.06 RVUs× 1.000 GPCI

Adjusted RVUs

35.6600

Conversion factor

$33.4009

Medicare rate

$1,191.08

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

Payment rules and modifiers for 55865

55865 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 55865

Prostatectomy

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)2Already bilateral by definition: paid once at 100%.
Assistant at surgery (80/81/82/AS)2Paid.
Co-surgeons (62)1Permitted with supporting documentation.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.
Split (54/55/56)0.10/0.80/0.10Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 55865

Prostatectomy

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 51 · payment effect

With and without the modifier

55865 without 51 · national facility

$1,191.08

Prostatectomy

55865-51 · Second procedure: 50%

$595.54

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

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 55865PPRRVU2026_Oct_nonQPP.csv, line 6,385 (RVU26D)

Open CMS sourceHow we calculate rates

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