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CPT code 95170: Allergen therapy, whole-body extract2026 Medicare rate & RVUs in King County, WA

Report one unit for physician-supervised allergen immunotherapy involving provision of a whole-body extract, such as an insect extract, in the prescribing practice.

CMS RVU26DEffective Oct 1, 2026One payment locality9K Medicare services in 2024

In King County, WA, Medicare pays $12.62 for 95170 in the office and $2.79 when it’s performed in a hospital or facility.

$12.62Office (non-facility)
$2.79Hospital or facility
+18.1%vs the national office rate ($10.69)

Check a contract rate as a % of Medicare · 95170 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 95170 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in King County, WA
  2. What 95170 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 95170 covers

CPT 95170 represents allergen immunotherapy using a whole-body extract, with the extract provided as part of the service. Allergy specialists commonly use this approach for whole-body insect extracts, such as fire-ant extract. The service is associated with the prescribing physician’s practice or institution and supports treatment under an established allergy immunotherapy plan.

Report units that match the whole-body extract service documented for the patient. Records should identify the extract and connect its preparation or provision to the prescribed immunotherapy. The code includes the extract, unlike 95165, which describes antigen services that exclude provision of allergenic extracts. CMS assigns physician work and practice expense values to 95170 under the physician fee schedule; the code’s included extract is not a separate supply service within 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 King County, WA compares for 95170

Across 109 of 109 payment localities, the office rate for 95170 runs from $9.35 in Arkansas to $14.44 in San Benito County, CA. King County, WA pays $12.62. The RVUs are the same everywhere; the geographic indexes change the dollars.

95170 in King County, WA vs other payment areas
  1. King County, WA · this page$12.62
  2. Rest of Washington · Washington$11.08−$1.54
  3. Los Angeles, CA · California$12.19−$0.43
  4. Washington, DC area · District of Columbia$12.32−$0.30
  5. Miami, FL · Florida$11.54−$1.08
  6. Chicago, IL · Illinois$11.18−$1.44
  7. Manhattan, NY · New York$12.37−$0.25

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

Every other payment area

95170 in every other Medicare payment locality
Payment localityOfficeFacility
AlaskaAlaska$12.08$3.55
AlabamaAlabama$9.50$2.49
ArkansasArkansas$9.35$2.46
ArizonaArizona$10.38$2.61
Bakersfield, CACalifornia$11.40$2.61
Chico, CACalifornia$11.37$2.58
El Centro, CACalifornia$11.37$2.58
Fresno, CACalifornia$11.37$2.58

95170 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.

$9.35

$12.91

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

View every state and territory as a table
95170 office rate range by state
State / territoryOffice rate rangeLocalities
AK$12.081
AL$9.501
AR$9.351
AZ$10.381
CA$11.37–$14.4429
CO$11.171
CT$11.441
DC$12.321
DE$10.561
FL$10.49–$11.543
GA$9.85–$10.902
GU$11.691
HI$11.691
IA$9.781
ID$9.841
IL$10.15–$11.194
IN$9.911
KS$9.721
KY$9.731
LA$9.71–$10.242
MA$11.10–$12.352
MD$10.78–$12.323
ME$9.89–$10.492
MI$10.00–$10.632
MN$10.701
MO$9.53–$10.293
MS$9.441
MT$10.691
NC$10.011
ND$10.491
NE$9.841
NH$10.991
NJ$11.57–$12.172
NM$10.061
NV$10.641
NY$10.17–$12.685
OH$9.961
OK$9.721
OR$10.56–$11.562
PA$9.99–$11.132
PR$10.781
RI$10.971
SC$10.001
SD$10.471
TN$9.771
TX$9.91–$11.148
UT$10.151
VA$10.45–$12.322
VI$10.781
VT$10.441
WA$11.08–$12.622
WI$10.111
WV$9.741
WY$10.601

See 95170 in every payment locality

How the 95170 rate is calculated

Each of 95170’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 · 95170

RVUs × geographic indexes × conversion factor

Office or facility?

Work0.06

0.06 RVUs× 1.000 GPCI

Practice expense0.25

0.25 RVUs× 1.000 GPCI

Malpractice0.01

0.01 RVUs× 1.000 GPCI

Adjusted RVUs

0.3200

Conversion factor

$33.4009

Medicare rate

$10.69

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

12,488

Code
95170
Physician work
0.06
Practice expense
0.25
Malpractice
0.01

GPCI2026.csv

108

Locality
King County, WA
Physician work
1.050
Practice expense
1.227
Malpractice
0.817
Office calculation for 95170 in King County, WA
ComponentRVULocality factorAdjusted
Physician work0.06× 1.0500.0630
Practice expense0.25× 1.2270.3068
Malpractice0.01× 0.8170.0082
Total RVUs0.3779
Conversion factor× 33.4009

Office rate, King County, WA$12.62

Office: (0.06 × 1.05 + 0.25 × 1.227 + 0.01 × 0.817) × $33.4009 = $12.62

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

Open 95170 in the RVU calculator

Payment rules and modifiers for 95170

95170 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 · 95170

Which rate does Medicare pay?

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

POS 11 · non-facility rate · national

$10.69

Non-facility (office)
$10.69
Facility
$2.67

Higher because the practice carries its own overhead.

Codes related to 95170

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

Codes related to 95170
CodeHow it relatesOffice range, King County, WA
Used instead
95165Allergy extract preparation, multidose vials, per doseAntigen service for single or multiple antigens when provision of the allergenic extract is excluded.$20.82
95144Allergen preparation, single-dose vial setAntigen service associated with single-dose vial preparation rather than a whole-body extract unit.$25.33
95145Venom antigen, one insect venomAntigen service for one stinging-insect venom, rather than a whole-body extract.$41.31
95130Venom immunotherapy, one insect venomOffice immunotherapy service involving one stinging-insect venom, not whole-body extract therapy.No office rate

How 95170 has changed in King County, WA

95170 · Office / nonfacility

$12.62

Effective 2026-10-01

The base rate is $0.45 higher than on 2025-10-01, moving from $12.17 to $12.62 (3.7%).

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

    $12.17changed to$12.62

    • Conversion factor 32.3465 changed to 33.4009
    • 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

    $12.93changed to$12.17

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 0.26 changed to 0.25

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $12.71changed to$12.93

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $13.43changed to$12.71

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 0.27 changed to 0.26
    • 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

    $13.58changed to$13.43

    • Conversion factor 34.6062 changed to 33.8872
    • 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

    $13.69changed to$13.58

    • Conversion factor 34.8931 changed to 34.6062

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $12.67changed to$13.69

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 0.24 changed to 0.27
    • 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

    $12.06changed to$12.67

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 0.23 changed to 0.24
    • 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

    $11.22changed to$12.06

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 0.21 changed to 0.23

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $10.73changed to$11.22

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 0.20 changed to 0.21
    • 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

    $10.65changed to$10.73

    • Conversion factor 35.8043 changed to 35.8887
    • 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

    $10.69changed to$10.65

    • Conversion factor 35.9335 changed to 35.8043

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $10.64changed to$10.69

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $10.69changed to$10.64

    • Conversion factor 35.8228 changed to 35.7547
    • 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

    $10.96changed to$10.69

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 0.22 changed to 0.20
    • 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: $10.96

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$12.62$2.79RVU26D
2026-07-01$12.62$2.79RVU26C
2026-04-01$12.62$2.79RVU26B
2026-01-01$12.62$2.79RVU26A
2025-10-01$12.17$3.48RVU25D
2025-07-01$12.17$3.48RVU25C
2025-04-01$12.17$3.48RVU25B
2025-01-01$12.17$3.48RVU25A
2024-10-01$12.93$3.18RVU24D
2024-07-01$12.93$3.18RVU24C
2024-04-01$12.93$3.18RVU24B
2024-03-09$12.93$3.18RVU24AR
2024-01-01$12.71$3.13RVU24A
2023-10-01$13.43$3.21RVU23D
2023-07-01$13.43$3.21RVU23C
2023-04-01$13.43$3.21RVU23B
2023-01-01$13.43$3.21RVU23A
2022-10-01$13.58$3.25RVU22D
2022-07-01$13.58$3.25RVU22C
2022-04-01$13.58$3.25RVU22B
2022-01-01$13.58$3.25RVU22A
2021-10-01$13.69$3.27RVU21D
2021-07-01$13.69$3.27RVU21C
2021-04-01$13.69$3.27RVU21B
2021-01-01$13.69$3.27RVU21A
2020-10-01$12.67$3.39RVU20D
2020-07-01$12.67$3.39RVU20C
2020-04-01$12.67$3.39RVU20B
2020-01-01$12.67$3.39RVU20A
2019-10-01$12.06$3.38RVU19D
2019-07-01$12.06$3.38RVU19C
2019-04-01$12.06$3.38RVU19B
2019-01-01$12.06$3.38RVU19A
2018-10-01$11.22$3.38RVU18D
2018-07-01$11.22$3.38RVU18C
2018-04-01$11.22$3.38RVU18B
2018-01-01$11.22$3.38RVU18AR1
2017-10-01$10.73$3.29RVU17D
2017-07-01$10.73$3.29RVU17C
2017-04-01$10.73$3.29RVU17B
2017-01-01$10.73$3.29RVU17A
2016-10-01$10.65$3.21RVU16D
2016-07-01$10.65$3.21RVU16C
2016-04-01$10.65$3.21RVU16B
2016-01-01$10.65$3.21RVU16A
2015-10-01$10.69$3.22RVU15D
2015-07-01$10.69$3.22RVU15C
2015-04-01$10.64$3.20RVU15B
2015-01-01$10.64$3.20RVU15A
2014-10-01$10.69$3.27RVU14D
2014-07-01$10.69$3.27RVU14C
2014-04-01$10.69$3.27RVU14B
2014-01-01$10.69$3.27RVU14A
2013-10-01$10.96$3.17RVU13D
2013-07-01$10.96$3.17RVU13C
2013-04-01$10.96$3.17RVU13B
2013-01-01$10.96$3.17RVU13AR

Price 95170 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
  • 95170 in Auburn · multiple payment areas
  • Baring
  • Beaux Arts Village
  • Bellevue
  • Black Diamond

Browse all communities in Washington

95170 billing questions

When should 95170 be chosen instead of 95165?

Use 95170 for allergen immunotherapy involving a whole-body extract that is provided as part of the service. Code 95165 is for antigen services that do not include provision of the allergenic extract.

Does 95170 include the allergenic extract?

Yes. The whole-body extract is part of the service represented by 95170.

Is 95170 counted by injection or by extract unit?

It is reported by unit for the whole-body extract service, not by counting the number of injections administered.

What documentation supports 95170?

Document the prescribed immunotherapy plan, the whole-body extract used, and the units provided. The record should make clear that the service involved a whole-body extract rather than a different antigen preparation.

How does 95170 differ from venom immunotherapy codes?

95170 is for whole-body extract immunotherapy. Codes such as 95145 identify antigen services for specific numbers of stinging-insect venoms.

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 95170PPRRVU2026_Oct_nonQPP.csv, line 12,488 (RVU26D)
Geographic factors for King County, WAGPCI2026.csv, line 108 (RVU26D)

Open CMS sourceHow we calculate rates

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