CPT code 95145: Venom antigen, one insect venom2026 Medicare rate & RVUs in Chicago, IL

Reports supervision of preparing and providing one stinging-insect venom antigen for allergen immunotherapy, counted by the doses prepared and supplied.

CMS RVU26DEffective Oct 1, 2026One payment locality13.7K Medicare services in 2024

In Chicago, IL, Medicare pays $34.67 for 95145 in the office and $3.12 when it’s performed in a hospital or facility.

$34.67Office (non-facility)
$3.12Hospital or facility
+1.8%vs the national office rate ($34.07)

Check a contract rate as a % of Medicare · 95145 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 95145 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Chicago, IL
  2. What 95145 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 95145 covers

An allergist or allergy practice reports this service for supervising preparation and provision of a single stinging-insect venom antigen used in immunotherapy. A typical case is venom treatment for a patient with a systemic reaction to a specific insect sting, such as a honeybee or yellow jacket. This code represents the antigen service, not the injection itself.

Select the one-venom level based on the antigen supplied, and report units for the doses prepared and provided rather than the number of injections administered. Documentation should identify the venom antigen, the dose quantity prepared or supplied, and the immunotherapy plan. CMS values the service under the physician fee schedule using work, practice expense, and malpractice RVUs; its practice-expense allocation is much higher in the office setting than in a facility.

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 Chicago, IL compares for 95145

Across 109 of 109 payment localities, the office rate for 95145 runs from $29.43 in Arkansas to $48.16 in San Benito County, CA. Chicago, IL pays $34.67. The RVUs are the same everywhere; the geographic indexes change the dollars.

95145 in Chicago, IL vs other payment areas
  1. Chicago, IL · this page$34.67
  2. East St. Louis, IL · Illinois$31.87−$2.80
  3. Rest of Illinois · Illinois$31.50−$3.17
  4. Suburban Chicago, IL · Illinois$35.20+$0.53
  5. Los Angeles, CA · California$39.85+$5.18
  6. Washington, DC area · District of Columbia$39.86+$5.19
  7. Miami, FL · Florida$35.88+$1.21

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

Every other payment area

95145 in every other Medicare payment locality
Payment localityOfficeFacility
Manhattan, NYNew York$39.53$3.05
AlaskaAlaska$36.98$3.55
AlabamaAlabama$29.96$2.49
ArkansasArkansas$29.43$2.46
ArizonaArizona$33.04$2.61
Bakersfield, CACalifornia$37.02$2.61
Chico, CACalifornia$36.99$2.58
El Centro, CACalifornia$37.00$2.58

95145 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.

$29.43

$42.58

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

View every state and territory as a table
95145 office rate range by state
State / territoryOffice rate rangeLocalities
AK$36.981
AL$29.961
AR$29.431
AZ$33.041
CA$36.99–$48.1629
CO$36.051
CT$36.621
DC$39.861
DE$33.661
FL$32.84–$35.883
GA$30.71–$34.652
GU$38.281
HI$38.281
IA$31.171
ID$31.351
IL$31.50–$35.204
IN$31.581
KS$30.861
KY$30.521
LA$30.41–$32.242
MA$35.71–$40.272
MD$34.44–$39.863
ME$31.40–$33.662
MI$31.35–$33.192
MN$34.751
MO$29.68–$32.553
MS$29.571
MT$34.071
NC$31.821
ND$33.871
NE$31.421
NH$35.331
NJ$37.10–$39.292
NM$31.501
NV$34.041
NY$32.38–$40.485
OH$31.311
OK$30.601
OR$33.84–$37.542
PA$31.45–$35.472
PR$34.411
RI$35.121
SC$31.611
SD$33.851
TN$31.031
TX$31.19–$35.888
UT$32.131
VA$33.43–$39.862
VI$34.411
VT$33.591
WA$35.70–$41.312
WI$32.511
WV$30.061
WY$33.981

See 95145 in every payment locality

How the 95145 rate is calculated

Each of 95145’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 · 95145

RVUs × geographic indexes × conversion factor

Office or facility?

Work0.06

0.06 RVUs× 1.000 GPCI

Practice expense0.95

0.95 RVUs× 1.000 GPCI

Malpractice0.01

0.01 RVUs× 1.000 GPCI

Adjusted RVUs

1.0200

Conversion factor

$33.4009

Medicare rate

$34.07

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

The exact Chicago, IL inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

12,482

Code
95145
Physician work
0.06
Practice expense
0.95
Malpractice
0.01

GPCI2026.csv

48

Locality
Chicago, IL
Physician work
1.007
Practice expense
1.005
Malpractice
2.295
Office calculation for 95145 in Chicago, IL
ComponentRVULocality factorAdjusted
Physician work0.06× 1.0070.0604
Practice expense0.95× 1.0050.9547
Malpractice0.01× 2.2950.0229
Total RVUs1.0381
Conversion factor× 33.4009

Office rate, Chicago, IL$34.67

Office: (0.06 × 1.007 + 0.95 × 1.005 + 0.01 × 2.295) × $33.4009 = $34.67

Facility: (0.06 × 1.007 + 0.01 × 1.005 + 0.01 × 2.295) × $33.4009 = $3.12

Open 95145 in the RVU calculator

Payment rules and modifiers for 95145

95145 has no global surgery period, no multiple-procedure, bilateral or assistant-at-surgery adjustment, and no professional/technical split. What changes the payment is where the service happens: the place of service on the claim decides whether Medicare pays the office or the facility rate.

Place of service · 95145

Which rate does Medicare pay?

The POS code on the claim line (CMS-1500 box 24B).

POS 11 · non-facility rate · national

$34.07

Non-facility (office)
$34.07
Facility
$2.67

Higher because the practice carries its own overhead.

How 95145 has changed in Chicago, IL

95145 · Office / nonfacility

$34.67

Effective 2026-10-01

The base rate is $0.37 lower than on 2025-10-01, moving from $35.04 to $34.67 (1.1%).

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

    $35.04changed to$34.67

    • Conversion factor 32.3465 changed to 33.4009
    • Practice expense RVU 0.98 changed to 0.95
    • Practice expense GPCI 1.023 changed to 1.005
    • Malpractice GPCI 2.018 changed to 2.295

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $37.42changed to$35.04

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 1.02 changed to 0.98

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $36.81changed to$37.42

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $34.92changed to$36.81

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 0.92 changed to 1.02
    • Work GPCI 1.009 changed to 1.007
    • Practice expense GPCI 1.033 changed to 1.023
    • Malpractice GPCI 1.945 changed to 2.018
  5. January 1, 2023

    RVU23A

    $37.07changed to$34.92

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 0.95 changed to 0.92
    • Work GPCI 1.011 changed to 1.009
    • Practice expense GPCI 1.044 changed to 1.033
    • Malpractice GPCI 1.871 changed to 1.945

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $36.65changed to$37.07

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 0.93 changed to 0.95

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $32.87changed to$36.65

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 0.80 changed to 0.93
    • Work GPCI 1.009 changed to 1.011
    • Practice expense GPCI 1.039 changed to 1.044
    • Malpractice GPCI 1.898 changed to 1.871

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $30.45changed to$32.87

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 0.74 changed to 0.80
    • Work GPCI 1.008 changed to 1.009
    • Practice expense GPCI 1.034 changed to 1.039
    • Malpractice GPCI 1.925 changed to 1.898

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $27.44changed to$30.45

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 0.66 changed to 0.74

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $26.68changed to$27.44

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 0.64 changed to 0.66
    • Work GPCI 1.012 changed to 1.008
    • Practice expense GPCI 1.036 changed to 1.034
    • Malpractice GPCI 1.972 changed to 1.925

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $22.96changed to$26.68

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 0.54 changed to 0.64
    • Work GPCI 1.016 changed to 1.012
    • Practice expense GPCI 1.037 changed to 1.036
    • Malpractice GPCI 2.019 changed to 1.972

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $23.41changed to$22.96

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 0.55 changed to 0.54

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $23.29changed to$23.41

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $23.13changed to$23.29

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 0.54 changed to 0.55
    • Work GPCI 1.023 changed to 1.016
    • Practice expense GPCI 1.044 changed to 1.037
    • Malpractice GPCI 2.048 changed to 2.019

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $24.26changed to$23.13

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 0.60 changed to 0.54
    • Work GPCI 1.030 changed to 1.023
    • Practice expense GPCI 1.051 changed to 1.044
    • Malpractice GPCI 2.077 changed to 2.048

    Held through RVU14B, RVU14C, RVU14D.

  16. October 1, 2013

    RVU13D

    No ratechanged to$24.26

  17. January 1, 2013

    RVU13AR

    Earliest loaded release: No rate

    Held through RVU13B, RVU13C.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$34.67$3.12RVU26D
2026-07-01$34.67$3.12RVU26C
2026-04-01$34.67$3.12RVU26B
2026-01-01$34.67$3.12RVU26A
2025-10-01$35.04$3.60RVU25D
2025-07-01$35.04$3.60RVU25C
2025-04-01$35.04$3.60RVU25B
2025-01-01$35.04$3.60RVU25A
2024-10-01$37.42$3.36RVU24D
2024-07-01$37.42$3.36RVU24C
2024-04-01$37.42$3.36RVU24B
2024-03-09$37.42$3.36RVU24AR
2024-01-01$36.81$3.31RVU24A
2023-10-01$34.92$3.41RVU23D
2023-07-01$34.92$3.41RVU23C
2023-04-01$34.92$3.41RVU23B
2023-01-01$34.92$3.41RVU23A
2022-10-01$37.07$3.47RVU22D
2022-07-01$37.07$3.47RVU22C
2022-04-01$37.07$3.47RVU22B
2022-01-01$37.07$3.47RVU22A
2021-10-01$36.65$3.50RVU21D
2021-07-01$36.65$3.50RVU21C
2021-04-01$36.65$3.50RVU21B
2021-01-01$36.65$3.50RVU21A
2020-10-01$32.87$3.62RVU20D
2020-07-01$32.87$3.62RVU20C
2020-04-01$32.87$3.62RVU20B
2020-01-01$32.87$3.62RVU20A
2019-10-01$30.45$3.62RVU19D
2019-07-01$30.45$3.62RVU19C
2019-04-01$30.45$3.62RVU19B
2019-01-01$30.45$3.62RVU19A
2018-10-01$27.44$3.61RVU18D
2018-07-01$27.44$3.61RVU18C
2018-04-01$27.44$3.61RVU18B
2018-01-01$27.44$3.61RVU18AR1
2017-10-01$26.68$3.63RVU17D
2017-07-01$26.68$3.63RVU17C
2017-04-01$26.68$3.63RVU17B
2017-01-01$26.68$3.63RVU17A
2016-10-01$22.96$3.65RVU16D
2016-07-01$22.96$3.65RVU16C
2016-04-01$22.96$3.65RVU16B
2016-01-01$22.96$3.65RVU16A
2015-10-01$23.41$3.66RVU15D
2015-07-01$23.41$3.66RVU15C
2015-04-01$23.29$3.64RVU15B
2015-01-01$23.29$3.64RVU15A
2014-10-01$23.13$3.68RVU14D
2014-07-01$23.13$3.68RVU14C
2014-04-01$23.13$3.68RVU14B
2014-01-01$23.13$3.68RVU14A
2013-10-01$24.26$3.52RVU13D
2013-07-01Rate data unavailableRate data unavailableRVU13C
2013-04-01Rate data unavailableRate data unavailableRVU13B
2013-01-01Rate data unavailableRate data unavailableRVU13AR

Price 95145 for an earlier date of service

Where the Chicago, IL rate applies

Chicago, IL is a Medicare payment area, not a city. Our Census mapping connects it to 137 cities and communities in Illinois. Some span more than one payment area; confirm with the service ZIP.

Browse all communities in Illinois

95145 billing questions

When is 95145 used instead of 95146?

Use 95145 for one single stinging-insect venom antigen. Use 95146 when the preparation and provision covers two single venoms.

Are units based on injections or doses?

Units represent doses of antigen prepared and provided, not the number of injections administered. Keep the dose quantity supported by the preparation and supply record.

Does 95145 report the injection?

No. It reports supervision of antigen preparation and provision. Injection services are represented by separate immunotherapy service codes when applicable.

What documentation supports this code?

Record the specific venom antigen, the number of doses prepared or supplied, and the patient's immunotherapy plan. The record should support why the one-venom level was selected.

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 95145PPRRVU2026_Oct_nonQPP.csv, line 12,482 (RVU26D)
Geographic factors for Chicago, ILGPCI2026.csv, line 48 (RVU26D)

Open CMS sourceHow we calculate rates

Did this answer your question about what 95145 pays in Chicago, IL?

Tell us what you were actually trying to work out. We’ll answer you directly, or build the page that does.

Fee sheets · Coming soon

Put 95145 and the rest of your codes on one sheet

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

Join the waitlist