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CPT code 95145: Venom antigen, one insect venom2026 Medicare rate & RVUs in King County, WA

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 King County, WA, Medicare pays $41.31 for 95145 in the office and $2.79 when it’s performed in a hospital or facility.

$41.31Office (non-facility)
$2.79Hospital or facility
+21.3%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 King County, WA
  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 King County, WA 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. King County, WA pays $41.31. The RVUs are the same everywhere; the geographic indexes change the dollars.

95145 in King County, WA vs other payment areas
  1. King County, WA · this page$41.31
  2. Rest of Washington · Washington$35.70−$5.61
  3. Los Angeles, CA · California$39.85−$1.46
  4. Washington, DC area · District of Columbia$39.86−$1.45
  5. Miami, FL · Florida$35.88−$5.43
  6. Chicago, IL · Illinois$34.67−$6.64
  7. Manhattan, NY · New York$39.53−$1.78

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

Every other payment area

95145 in every other Medicare payment locality
Payment localityOfficeFacility
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
Fresno, CACalifornia$36.99$2.58

95145 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.

$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 King County, WA 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

108

Locality
King County, WA
Physician work
1.050
Practice expense
1.227
Malpractice
0.817
Office calculation for 95145 in King County, WA
ComponentRVULocality factorAdjusted
Physician work0.06× 1.0500.0630
Practice expense0.95× 1.2271.1657
Malpractice0.01× 0.8170.0082
Total RVUs1.2368
Conversion factor× 33.4009

Office rate, King County, WA$41.31

Office: (0.06 × 1.05 + 0.95 × 1.227 + 0.01 × 0.817) × $33.4009 = $41.31

Facility: (0.06 × 1.05 + 0.01 × 1.227 + 0.01 × 0.817) × $33.4009 = $2.79

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.

Codes related to 95145

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

Codes related to 95145
CodeHow it relatesOffice range, King County, WA
Same family
95146Venom antigen preparation, two venom typesPreparation and provision for two single stinging-insect venoms rather than one.$76.15
95147Antigen preparation, three stinging insect venomsPreparation and provision for three single stinging-insect venoms.$73.28
95144Allergen preparation, single-dose vial setAntigen preparation and provision for single-dose vials outside the specified single-venom level.$25.33
Used instead
95165Allergy extract preparation, multidose vials, per doseUsed for single or multiple non-venom antigens counted per dose.$20.82
95130Venom immunotherapy, one insect venomReports professional venom immunotherapy service for one insect, rather than antigen preparation and provision by dose.No office rate
Often billed with
95115Allergy shot, single injection, extract not includedMay report a single immunotherapy injection separately when administered.$12.57

How 95145 has changed in King County, WA

95145 · Office / nonfacility

$41.31

Effective 2026-10-01

The base rate is $0.34 higher than on 2025-10-01, moving from $40.97 to $41.31 (0.8%).

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

    $40.97changed to$41.31

    • Conversion factor 32.3465 changed to 33.4009
    • Practice expense RVU 0.98 changed to 0.95
    • Work GPCI 1.043 changed to 1.050
    • Practice expense GPCI 1.220 changed to 1.227
    • Malpractice GPCI 0.853 changed to 0.817

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $43.79changed to$40.97

    • 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

    $43.08changed to$43.79

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $40.02changed to$43.08

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 0.92 changed to 1.02
    • Work GPCI 1.039 changed to 1.043
    • Practice expense GPCI 1.207 changed to 1.220
    • Malpractice GPCI 0.815 changed to 0.853

  5. January 1, 2023

    RVU23A

    $41.67changed to$40.02

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 0.95 changed to 0.92
    • Work GPCI 1.036 changed to 1.039
    • Practice expense GPCI 1.194 changed to 1.207
    • Malpractice GPCI 0.776 changed to 0.815

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $41.19changed to$41.67

    • 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

    $36.32changed to$41.19

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 0.80 changed to 0.93
    • Work GPCI 1.031 changed to 1.036
    • Practice expense GPCI 1.170 changed to 1.194
    • Malpractice GPCI 0.854 changed to 0.776

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $33.12changed to$36.32

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 0.74 changed to 0.80
    • Work GPCI 1.027 changed to 1.031
    • Practice expense GPCI 1.146 changed to 1.170
    • Malpractice GPCI 0.931 changed to 0.854

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $29.78changed to$33.12

    • 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

    $28.90changed to$29.78

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 0.64 changed to 0.66
    • Work GPCI 1.026 changed to 1.027
    • Practice expense GPCI 1.151 changed to 1.146
    • Malpractice GPCI 0.713 changed to 0.931

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $24.71changed to$28.90

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 0.54 changed to 0.64
    • Work GPCI 1.025 changed to 1.026
    • Practice expense GPCI 1.155 changed to 1.151
    • Malpractice GPCI 0.495 changed to 0.713

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $25.21changed to$24.71

    • 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

    $25.09changed to$25.21

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $24.70changed to$25.09

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 0.54 changed to 0.55
    • Practice expense GPCI 1.150 changed to 1.155
    • Malpractice GPCI 0.688 changed to 0.495

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $25.75changed to$24.70

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 0.60 changed to 0.54
    • Practice expense GPCI 1.144 changed to 1.150
    • Malpractice GPCI 0.881 changed to 0.688

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $25.75

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$41.31$2.79RVU26D
2026-07-01$41.31$2.79RVU26C
2026-04-01$41.31$2.79RVU26B
2026-01-01$41.31$2.79RVU26A
2025-10-01$40.97$3.48RVU25D
2025-07-01$40.97$3.48RVU25C
2025-04-01$40.97$3.48RVU25B
2025-01-01$40.97$3.48RVU25A
2024-10-01$43.79$3.18RVU24D
2024-07-01$43.79$3.18RVU24C
2024-04-01$43.79$3.18RVU24B
2024-03-09$43.79$3.18RVU24AR
2024-01-01$43.08$3.13RVU24A
2023-10-01$40.02$3.21RVU23D
2023-07-01$40.02$3.21RVU23C
2023-04-01$40.02$3.21RVU23B
2023-01-01$40.02$3.21RVU23A
2022-10-01$41.67$3.25RVU22D
2022-07-01$41.67$3.25RVU22C
2022-04-01$41.67$3.25RVU22B
2022-01-01$41.67$3.25RVU22A
2021-10-01$41.19$3.27RVU21D
2021-07-01$41.19$3.27RVU21C
2021-04-01$41.19$3.27RVU21B
2021-01-01$41.19$3.27RVU21A
2020-10-01$36.32$3.39RVU20D
2020-07-01$36.32$3.39RVU20C
2020-04-01$36.32$3.39RVU20B
2020-01-01$36.32$3.39RVU20A
2019-10-01$33.12$3.38RVU19D
2019-07-01$33.12$3.38RVU19C
2019-04-01$33.12$3.38RVU19B
2019-01-01$33.12$3.38RVU19A
2018-10-01$29.78$3.38RVU18D
2018-07-01$29.78$3.38RVU18C
2018-04-01$29.78$3.38RVU18B
2018-01-01$29.78$3.38RVU18AR1
2017-10-01$28.90$3.29RVU17D
2017-07-01$28.90$3.29RVU17C
2017-04-01$28.90$3.29RVU17B
2017-01-01$28.90$3.29RVU17A
2016-10-01$24.71$3.21RVU16D
2016-07-01$24.71$3.21RVU16C
2016-04-01$24.71$3.21RVU16B
2016-01-01$24.71$3.21RVU16A
2015-10-01$25.21$3.22RVU15D
2015-07-01$25.21$3.22RVU15C
2015-04-01$25.09$3.20RVU15B
2015-01-01$25.09$3.20RVU15A
2014-10-01$24.70$3.27RVU14D
2014-07-01$24.70$3.27RVU14C
2014-04-01$24.70$3.27RVU14B
2014-01-01$24.70$3.27RVU14A
2013-10-01$25.75$3.17RVU13D
2013-07-01$25.75$3.17RVU13C
2013-04-01$25.75$3.17RVU13B
2013-01-01$25.75$3.17RVU13AR

Price 95145 for an earlier date of service

Where the King County, WA rate applies

King County, WA is a Medicare payment area, not a city. Our Census mapping connects it to 63 cities and communities in Washington. Some span more than one payment area; confirm with the service ZIP.

  • Seattle
  • Algona
  • Ames Lake
  • 95145 in Auburn · multiple payment areas
  • Baring
  • Beaux Arts Village
  • Bellevue
  • Black Diamond

Browse all communities in Washington

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 King County, WAGPCI2026.csv, line 108 (RVU26D)

Open CMS sourceHow we calculate rates

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