CPT code 11644: Malignant lesion excision, face and related sites, 3.1-4 cm2026 Medicare rate & RVUs in Bartlett, Illinois

CPT 11644: $415.26–$420.46 office ($258.15–$266.72 facility) across 2 localities in Bartlett, IL in 2026 Medicare. Compare each area.

CMS RVU26DEffective Oct 1, 20262 payment localities

Medicare pays $415.26–$420.46 for 11644 in the office in Bartlett, Illinois, from Suburban Chicago, IL to Chicago, IL. Which amount applies depends on the service address.

$415.26–$420.46Office (non-facility)

$258.15–$266.72Hospital 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.

On this page 6 sections

Rate in Bartlett, Illinois
By payment locality
City and payment areas
How it’s calculated
Payment rules
Sources

Where 11644 pays more and less in Bartlett, Illinois

Bartlett, 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.

11644 office and facility rates by payment locality
Payment locality	Office	Facility
Chicago, IL	$420.46	$266.72
Suburban Chicago, IL	$415.26	$258.15

How payment areas work in Bartlett

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.

Chicago · Cook County
Suburban Chicago · DuPage County, Kane County

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

How the 11644 rate is calculated

Each of 11644’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 · 11644

RVUs × geographic indexes × conversion factor

Office or facility?

Your ZIP

Work4.23

4.23 RVUs× 1.000 GPCI

Practice expense6.94

6.94 RVUs× 1.000 GPCI

Malpractice0.59

0.59 RVUs× 1.000 GPCI

Adjusted RVUs

11.7600

Conversion factor

$33.4009

Medicare rate

$392.79

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

Payment rules and modifiers for 11644

11644 has a 10-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 11644

Malignant lesion excision, face and related sites, 3.1-4 cm

Rule	CMS value	What it means
Global period	010	Minor procedure: the day of the procedure plus 10 days after are included.
Multiple procedures	2	Standard reduction: highest-valued procedure at 100%, others at 50%.
Bilateral (modifier 50)	0	The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)	1	Not paid (statutory restriction).
Co-surgeons (62)	0	Not permitted.
Team surgery (66)	0	Not permitted.
Professional/technical	0	Physician service: no professional/technical split.
Split (54/55/56)	0.10/0.80/0.10	Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 11644

Malignant lesion excision, face and related sites, 3.1-4 cm

Date of surgery

Date of a later visit

10-day global period ends

Oct 11, 2026

Covers Oct 1, 2026 through Oct 11, 2026 (11 days).

Visit on Oct 31, 2026

After the global period ends: visits and procedures are billed normally.

SurgeryVisit

Sep 28, 2026Oct 14, 2026

What modifiers do to the payment

Modifier 51 · payment effect

With and without the modifier

11644 without 51 · national office

$392.79

Malignant lesion excision, face and related sites, 3.1-4 cm

11644-51 · Second procedure: 50%

$196.40

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 11644PPRRVU2026_Oct_nonQPP.csv, line 1,357 (RVU26D)

1,35411641,,[CPT descriptor omitted],A,,2.12,4.72,,1.65,,0.26,7.10,4.03,0,010,0.10,0.80,0.10,2,0,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00

1,35511642,,[CPT descriptor omitted],A,,2.55,5.14,,1.78,,0.30,7.99,4.63,0,010,0.10,0.80,0.10,2,0,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00

1,35611643,,[CPT descriptor omitted],A,,3.33,5.70,,2.03,,0.43,9.46,5.79,0,010,0.10,0.80,0.10,2,0,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00

1,35711644,,[CPT descriptor omitted],A,,4.23,6.94,,2.36,,0.59,11.76,7.18,0,010,0.10,0.80,0.10,2,0,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00

1,35811646,,[CPT descriptor omitted],A,,6.10,8.38,,2.92,,0.95,15.43,9.97,0,010,0.10,0.80,0.10,2,0,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00

1,3591170F,,[CPT descriptor omitted],M,,0.00,0.00,,0.00,,0.00,0.00,0.00,9,XXX,0.00,0.00,0.00,9,9,9,9,9,9,,33.4009,09,0,99,0.00,0.00,0.00

1,36011719,,[CPT descriptor omitted],R,,0.17,0.25,,0.02,,0.01,0.43,0.20,0,000,0.00,0.00,0.00,2,0,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00

Open CMS source How we calculate rates

Fee sheets · Coming soon

Put 11644 and the rest of your codes on one sheet

Your codes at your locality, with payer contracts beside Medicare.

Join the waitlist

Where 11644 pays more and less in Bartlett, Illinois

How payment areas work in Bartlett

How the 11644 rate is calculated

Payment rules and modifiers for 11644

What modifiers do to the payment

Where these rates come from

Did this answer your question about what 11644 pays in Bartlett, Illinois?

Put 11644 and the rest of your codes on one sheet