CPT code 94645: Continuous inhalation, each additional hour2026 Medicare rate & RVUs in Oxnard, CA
Report 94645 when continuous aerosol inhalation treatment for acute airway obstruction continues beyond the initial hour represented by 94644.
In Oxnard, CA, Medicare pays $19.55 for 94645 in the office.
Check a contract rate as a % of Medicare · 94645 nationwide
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 11 sections
What 94645 covers
94645 represents continued continuous aerosol inhalation treatment for acute airway obstruction after the initial hour. A typical clinical situation is sustained nebulized medication treatment for acute bronchospasm. Respiratory therapists or other clinical staff may administer the treatment in a supervised outpatient setting under physician supervision.
Report 94644 for the initial hour and 94645 for each additional hour of continuous treatment; do not use this code for a series of separate, intermittent inhalation treatments. Document the indication, medication and delivery method, continuous treatment duration, and physician supervision. CMS fee-schedule valuation assigns no physician work RVU and includes practice-expense and malpractice RVUs. The service is billed as incident-to only when performed under physician supervision.
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 Oxnard, CA compares for 94645
Across 109 of 109 payment localities, the office rate for 94645 runs from $14.23 in Arkansas to $23.78 in San Benito County, CA. Oxnard, CA pays $19.55. The RVUs are the same everywhere; the geographic indexes change the dollars.
- Oxnard, CA · this page$19.55
- Bakersfield, CA · California$18.14−$1.41
- Chico, CA · California$18.12−$1.43
- El Centro, CA · California$18.12−$1.43
- Fresno, CA · California$18.12−$1.43
- Hanford, CA · California$18.12−$1.43
- Los Angeles, CA · California$19.58+$0.03
Other areas in California first, then benchmark localities. Bars start at $0.
Every other payment area
| Payment locality | Office | Facility |
|---|---|---|
| Madera, CACalifornia | $18.12 | — |
| Merced, CACalifornia | $18.12 | — |
| Modesto, CACalifornia | $18.12 | — |
| Napa, CACalifornia | $21.74 | — |
| Redding, CACalifornia | $18.12 | — |
| Rest of CaliforniaCalifornia | $18.12 | — |
| Riverside, CACalifornia | $18.22 | — |
| Sacramento, CACalifornia | $19.21 | — |
| Salinas, CACalifornia | $19.15 | — |
| San Diego, CACalifornia | $19.76 | — |
| Marin County, CACalifornia | $23.23 | — |
| San Francisco, CACalifornia | $23.22 | — |
| San Benito County, CACalifornia | $23.78 | — |
| Santa Clara County, CACalifornia | $23.73 | — |
| San Luis Obispo, CACalifornia | $18.82 | — |
| Santa Cruz, CACalifornia | $20.06 | — |
| Santa Maria, CACalifornia | $19.26 | — |
| Santa Rosa, CACalifornia | $20.28 | — |
| Stockton, CACalifornia | $18.12 | — |
| Vallejo, CACalifornia | $21.72 | — |
| Visalia, CACalifornia | $18.12 | — |
| Yuba City, CACalifornia | $18.12 | — |
| Washington, DC areaDistrict of Columbia | $19.65 | — |
| Miami, FLFlorida | $17.88 | — |
| Chicago, ILIllinois | $17.21 | — |
| Manhattan, NYNew York | $19.55 | — |
| AlaskaAlaska | $17.61 | — |
| AlabamaAlabama | $14.51 | — |
| ArkansasArkansas | $14.23 | — |
| ArizonaArizona | $16.14 | — |
| ColoradoColorado | $17.67 | — |
| ConnecticutConnecticut | $18.03 | — |
| DelawareDelaware | $16.47 | — |
| Fort Lauderdale, FLFlorida | $17.18 | — |
| Rest of FloridaFlorida | $16.15 | — |
| Atlanta, GAGeorgia | $17.03 | — |
| Rest of GeorgiaGeorgia | $15.00 | — |
| Hawaii, Guam, HIHawaii | $18.80 | — |
| IowaIowa | $15.11 | — |
| IdahoIdaho | $15.22 | — |
| East St. Louis, ILIllinois | $15.73 | — |
| Rest of IllinoisIllinois | $15.46 | — |
| Suburban Chicago, ILIllinois | $17.40 | — |
| IndianaIndiana | $15.33 | — |
| KansasKansas | $14.96 | — |
| KentuckyKentucky | $14.86 | — |
| New Orleans, LALouisiana | $15.78 | — |
| Rest of LouisianaLouisiana | $14.80 | — |
| Metropolitan Boston, MAMassachusetts | $19.84 | — |
| Rest of MassachusettsMassachusetts | $17.50 | — |
| Baltimore area, MDMaryland | $17.97 | — |
| Rest of MarylandMaryland | $16.87 | — |
| Rest of MaineMaine | $15.26 | — |
| Southern Maine, MEMaine | $16.43 | — |
| Detroit, MIMichigan | $16.36 | — |
| Rest of MichiganMichigan | $15.32 | — |
| MinnesotaMinnesota | $16.94 | — |
| Metropolitan Kansas City, MOMissouri | $15.69 | — |
| Metropolitan St. Louis, MOMissouri | $15.92 | — |
| Rest of MissouriMissouri | $14.43 | — |
| MississippiMississippi | $14.34 | — |
| MontanaMontana | $16.70 | — |
| North CarolinaNorth Carolina | $15.48 | — |
| North DakotaNorth Dakota | $16.50 | — |
| NebraskaNebraska | $15.23 | — |
| New HampshireNew Hampshire | $17.33 | — |
| Northern New JerseyNew Jersey | $19.34 | — |
| Rest of New JerseyNew Jersey | $18.24 | — |
| New MexicoNew Mexico | $15.41 | — |
| NevadaNevada | $16.66 | — |
| NYC suburbs and Long Island, NYNew York | $20.08 | — |
| Poughkeepsie and northern NYC suburbs, NYNew York | $18.33 | — |
| Queens, NYNew York | $19.83 | — |
| Rest of New YorkNew York | $15.78 | — |
| OhioOhio | $15.28 | — |
| OklahomaOklahoma | $14.87 | — |
| Portland, OROregon | $18.43 | — |
| Rest of OregonOregon | $16.54 | — |
| Metropolitan Philadelphia, PAPennsylvania | $17.44 | — |
| Rest of PennsylvaniaPennsylvania | $15.34 | — |
| Puerto RicoPuerto Rico | $16.88 | — |
| Rhode IslandRhode Island | $17.20 | — |
| South CarolinaSouth Carolina | $15.41 | — |
| South DakotaSouth Dakota | $16.48 | — |
| TennesseeTennessee | $15.06 | — |
| Austin, TXTexas | $17.61 | — |
| Beaumont, TXTexas | $15.20 | — |
| Brazoria, TXTexas | $16.48 | — |
| Dallas, TXTexas | $16.59 | — |
| Fort Worth, TXTexas | $16.43 | — |
| Galveston, TXTexas | $16.53 | — |
| Houston, TXTexas | $16.71 | — |
| Rest of TexasTexas | $15.83 | — |
| UtahUtah | $15.68 | — |
| VirginiaVirginia | $16.32 | — |
| Virgin Islands, VIUnited States Virgin Islands | $16.88 | — |
| VermontVermont | $16.37 | — |
| Rest of WashingtonWashington | $17.49 | — |
| King County, WAWashington | $20.35 | — |
| WisconsinWisconsin | $15.78 | — |
| West VirginiaWest Virginia | $14.70 | — |
| WyomingWyoming | $16.61 | — |
94645 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.
$14.23
$20.95
Color shows the midpoint of each state’s locality range.
View every state and territory as a table
| State / territory | Office rate range | Localities |
|---|---|---|
| AK | $17.61 | 1 |
| AL | $14.51 | 1 |
| AR | $14.23 | 1 |
| AZ | $16.14 | 1 |
| CA | $18.12–$23.78 | 29 |
| CO | $17.67 | 1 |
| CT | $18.03 | 1 |
| DC | $19.65 | 1 |
| DE | $16.47 | 1 |
| FL | $16.15–$17.88 | 3 |
| GA | $15.00–$17.03 | 2 |
| GU | $18.80 | 1 |
| HI | $18.80 | 1 |
| IA | $15.11 | 1 |
| ID | $15.22 | 1 |
| IL | $15.46–$17.40 | 4 |
| IN | $15.33 | 1 |
| KS | $14.96 | 1 |
| KY | $14.86 | 1 |
| LA | $14.80–$15.78 | 2 |
| MA | $17.50–$19.84 | 2 |
| MD | $16.87–$19.65 | 3 |
| ME | $15.26–$16.43 | 2 |
| MI | $15.32–$16.36 | 2 |
| MN | $16.94 | 1 |
| MO | $14.43–$15.92 | 3 |
| MS | $14.34 | 1 |
| MT | $16.70 | 1 |
| NC | $15.48 | 1 |
| ND | $16.50 | 1 |
| NE | $15.23 | 1 |
| NH | $17.33 | 1 |
| NJ | $18.24–$19.34 | 2 |
| NM | $15.41 | 1 |
| NV | $16.66 | 1 |
| NY | $15.78–$20.08 | 5 |
| OH | $15.28 | 1 |
| OK | $14.87 | 1 |
| OR | $16.54–$18.43 | 2 |
| PA | $15.34–$17.44 | 2 |
| PR | $16.88 | 1 |
| RI | $17.20 | 1 |
| SC | $15.41 | 1 |
| SD | $16.48 | 1 |
| TN | $15.06 | 1 |
| TX | $15.20–$17.61 | 8 |
| UT | $15.68 | 1 |
| VA | $16.32–$19.65 | 2 |
| VI | $16.88 | 1 |
| VT | $16.37 | 1 |
| WA | $17.49–$20.35 | 2 |
| WI | $15.78 | 1 |
| WV | $14.70 | 1 |
| WY | $16.61 | 1 |
How the 94645 rate is calculated
Each of 94645’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 · 94645
RVUs × geographic indexes × conversion factor
Work0.00
0.00 RVUs× 1.000 GPCI
Practice expense0.49
0.49 RVUs× 1.000 GPCI
Malpractice0.01
0.01 RVUs× 1.000 GPCI
Adjusted RVUs
0.5000
Conversion factor
$33.4009
Medicare rate
$16.70
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
The exact Oxnard, CA inputs and CMS source lines
PPRRVU2026_Oct_nonQPP.csv
12,415
- Code
- 94645
- Physician work
- 0.00
- Practice expense
- 0.49
- Malpractice
- 0.01
GPCI2026.csv
18
- Locality
- Oxnard, CA
- Physician work
- 1.028
- Practice expense
- 1.182
- Malpractice
- 0.623
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 0.00 | × 1.028 | 0.0000 |
| Practice expense | 0.49 | × 1.182 | 0.5792 |
| Malpractice | 0.01 | × 0.623 | 0.0062 |
| Total RVUs | 0.5854 | ||
| Conversion factor | × 33.4009 | ||
Office rate, Oxnard, CA$19.55
Office: (0 × 1.028 + 0.49 × 1.182 + 0.01 × 0.623) × $33.4009 = $19.55
Payment rules and modifiers for 94645
The CMS indicators that decide how 94645 is paid alongside other services.
CMS payment indicators · 94645
Continuous inhalation, each additional hour
| Rule | CMS value | What it means |
|---|---|---|
| Global period | XXX | The global surgery concept doesn’t apply. |
| Multiple procedures | 0 | No multiple-procedure reduction. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 5 | Incident-to service. |
How 94645 has changed in Oxnard, CA
94645 · Office / nonfacility
$19.55
Effective 2026-10-01
The base rate is $0.21 higher than on 2025-10-01, moving from $19.34 to $19.55 (1.1%).
It is unchanged from the immediately preceding available release, effective 2026-07-01.
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
January 1, 2026
RVU26A
$19.34changed to$19.55
- Conversion factor 32.3465 changed to 33.4009
- Practice expense RVU 0.50 changed to 0.49
- Work GPCI 1.026 changed to 1.028
- Practice expense GPCI 1.183 changed to 1.182
- Malpractice GPCI 0.651 changed to 0.623
Held through RVU26B, RVU26C, RVU26D.
January 1, 2025
RVU25A
$19.12changed to$19.34
- Conversion factor 33.2875 changed to 32.3465
- Practice expense RVU 0.48 changed to 0.50
Held through RVU25B, RVU25C, RVU25D.
March 9, 2024
RVU24AR
$18.81changed to$19.12
- Conversion factor 32.7442 changed to 33.2875
Held through RVU24B, RVU24C, RVU24D.
January 1, 2024
RVU24A
$18.64changed to$18.81
- Conversion factor 33.8872 changed to 32.7442
- Practice expense RVU 0.46 changed to 0.48
- Work GPCI 1.027 changed to 1.026
- Practice expense GPCI 1.181 changed to 1.183
- Malpractice GPCI 0.689 changed to 0.651
January 1, 2023
RVU23A
$19.02changed to$18.64
- Conversion factor 34.6062 changed to 33.8872
- Practice expense GPCI 1.179 changed to 1.181
- Malpractice GPCI 0.726 changed to 0.689
Held through RVU23B, RVU23C, RVU23D.
January 1, 2022
RVU22A
$19.59changed to$19.02
- Conversion factor 34.8931 changed to 34.6062
- Practice expense RVU 0.47 changed to 0.46
Held through RVU22B, RVU22C, RVU22D.
January 1, 2021
RVU21A
$19.81changed to$19.59
- Conversion factor 36.0896 changed to 34.8931
- Practice expense RVU 0.46 changed to 0.47
- Work GPCI 1.026 changed to 1.027
- Practice expense GPCI 1.178 changed to 1.179
- Malpractice GPCI 0.700 changed to 0.726
Held through RVU21B, RVU21C, RVU21D.
January 1, 2020
RVU20A
$19.74changed to$19.81
- Conversion factor 36.0391 changed to 36.0896
- Work GPCI 1.024 changed to 1.026
- Practice expense GPCI 1.176 changed to 1.178
- Malpractice GPCI 0.673 changed to 0.700
Held through RVU20B, RVU20C, RVU20D.
January 1, 2019
RVU19A
$19.29changed to$19.74
- Conversion factor 35.9996 changed to 36.0391
- Practice expense RVU 0.45 changed to 0.46
Held through RVU19B, RVU19C, RVU19D.
January 1, 2018
RVU18AR1
$17.18changed to$19.29
- Conversion factor 35.8887 changed to 35.9996
- Practice expense RVU 0.40 changed to 0.45
- Work GPCI 1.027 changed to 1.024
- Practice expense GPCI 1.178 changed to 1.176
- Malpractice GPCI 0.754 changed to 0.673
Held through RVU18B, RVU18C, RVU18D.
January 1, 2017
RVU17A
$16.78changed to$17.18
- Conversion factor 35.8043 changed to 35.8887
- Practice expense RVU 0.39 changed to 0.40
- Work GPCI 1.030 changed to 1.027
- Practice expense GPCI 1.180 changed to 1.178
- Malpractice GPCI 0.834 changed to 0.754
Held through RVU17B, RVU17C, RVU17D.
January 1, 2016
RVU16A
$16.41changed to$16.78
- Conversion factor 35.9335 changed to 35.8043
- Practice expense RVU 0.38 changed to 0.39
Held through RVU16B, RVU16C, RVU16D.
July 1, 2015
RVU15C
$16.33changed to$16.41
- Conversion factor 35.7547 changed to 35.9335
Held through RVU15D.
January 1, 2015
RVU15A
$16.84changed to$16.33
- Conversion factor 35.8228 changed to 35.7547
- Practice expense RVU 0.39 changed to 0.38
- Work GPCI 1.032 changed to 1.030
- Practice expense GPCI 1.187 changed to 1.180
- Malpractice GPCI 0.720 changed to 0.834
Held through RVU15B.
January 1, 2014
RVU14A
$17.66changed to$16.84
- Conversion factor 34.0230 changed to 35.8228
- Practice expense RVU 0.43 changed to 0.39
- Work GPCI 1.034 changed to 1.032
- Practice expense GPCI 1.193 changed to 1.187
- Malpractice GPCI 0.605 changed to 0.720
Held through RVU14B, RVU14C, RVU14D.
October 1, 2013
RVU13D
No ratechanged to$17.66
January 1, 2013
RVU13AR
Earliest loaded release: No rate
Held through RVU13B, RVU13C.
| Effective from | Office | Facility | CMS release |
|---|---|---|---|
| 2026-10-01 | $19.55 | Not available in this setting | RVU26D |
| 2026-07-01 | $19.55 | Not available in this setting | RVU26C |
| 2026-04-01 | $19.55 | Not available in this setting | RVU26B |
| 2026-01-01 | $19.55 | Not available in this setting | RVU26A |
| 2025-10-01 | $19.34 | Not available in this setting | RVU25D |
| 2025-07-01 | $19.34 | Not available in this setting | RVU25C |
| 2025-04-01 | $19.34 | Not available in this setting | RVU25B |
| 2025-01-01 | $19.34 | Not available in this setting | RVU25A |
| 2024-10-01 | $19.12 | Not available in this setting | RVU24D |
| 2024-07-01 | $19.12 | Not available in this setting | RVU24C |
| 2024-04-01 | $19.12 | Not available in this setting | RVU24B |
| 2024-03-09 | $19.12 | Not available in this setting | RVU24AR |
| 2024-01-01 | $18.81 | Not available in this setting | RVU24A |
| 2023-10-01 | $18.64 | Not available in this setting | RVU23D |
| 2023-07-01 | $18.64 | Not available in this setting | RVU23C |
| 2023-04-01 | $18.64 | Not available in this setting | RVU23B |
| 2023-01-01 | $18.64 | Not available in this setting | RVU23A |
| 2022-10-01 | $19.02 | Not available in this setting | RVU22D |
| 2022-07-01 | $19.02 | Not available in this setting | RVU22C |
| 2022-04-01 | $19.02 | Not available in this setting | RVU22B |
| 2022-01-01 | $19.02 | Not available in this setting | RVU22A |
| 2021-10-01 | $19.59 | Not available in this setting | RVU21D |
| 2021-07-01 | $19.59 | Not available in this setting | RVU21C |
| 2021-04-01 | $19.59 | Not available in this setting | RVU21B |
| 2021-01-01 | $19.59 | Not available in this setting | RVU21A |
| 2020-10-01 | $19.81 | Not available in this setting | RVU20D |
| 2020-07-01 | $19.81 | Not available in this setting | RVU20C |
| 2020-04-01 | $19.81 | Not available in this setting | RVU20B |
| 2020-01-01 | $19.81 | Not available in this setting | RVU20A |
| 2019-10-01 | $19.74 | Not available in this setting | RVU19D |
| 2019-07-01 | $19.74 | Not available in this setting | RVU19C |
| 2019-04-01 | $19.74 | Not available in this setting | RVU19B |
| 2019-01-01 | $19.74 | Not available in this setting | RVU19A |
| 2018-10-01 | $19.29 | Not available in this setting | RVU18D |
| 2018-07-01 | $19.29 | Not available in this setting | RVU18C |
| 2018-04-01 | $19.29 | Not available in this setting | RVU18B |
| 2018-01-01 | $19.29 | Not available in this setting | RVU18AR1 |
| 2017-10-01 | $17.18 | Not available in this setting | RVU17D |
| 2017-07-01 | $17.18 | Not available in this setting | RVU17C |
| 2017-04-01 | $17.18 | Not available in this setting | RVU17B |
| 2017-01-01 | $17.18 | Not available in this setting | RVU17A |
| 2016-10-01 | $16.78 | Not available in this setting | RVU16D |
| 2016-07-01 | $16.78 | Not available in this setting | RVU16C |
| 2016-04-01 | $16.78 | Not available in this setting | RVU16B |
| 2016-01-01 | $16.78 | Not available in this setting | RVU16A |
| 2015-10-01 | $16.41 | Not available in this setting | RVU15D |
| 2015-07-01 | $16.41 | Not available in this setting | RVU15C |
| 2015-04-01 | $16.33 | Not available in this setting | RVU15B |
| 2015-01-01 | $16.33 | Not available in this setting | RVU15A |
| 2014-10-01 | $16.84 | Not available in this setting | RVU14D |
| 2014-07-01 | $16.84 | Not available in this setting | RVU14C |
| 2014-04-01 | $16.84 | Not available in this setting | RVU14B |
| 2014-01-01 | $16.84 | Not available in this setting | RVU14A |
| 2013-10-01 | $17.66 | Not available in this setting | RVU13D |
| 2013-07-01 | Rate data unavailable | Not available in this setting | RVU13C |
| 2013-04-01 | Rate data unavailable | Not available in this setting | RVU13B |
| 2013-01-01 | Rate data unavailable | Not available in this setting | RVU13AR |
Where the Oxnard, CA rate applies
Oxnard, CA is a Medicare payment area, not a city. Our Census mapping connects it to 26 cities and communities in California. Some span more than one payment area; confirm with the service ZIP.
- Oxnard
- Thousand Oaks
- Bell Canyon
- Camarillo
- Casa Conejo
- Channel Islands Beach
- El Rio
- Fillmore
94645 billing questions
Can 94645 be reported without 94644?
No. 94645 represents additional continuous treatment time after the initial hour reported with 94644.
How is 94645 different from 94640?
94645 applies to continued, continuous aerosol treatment beyond the initial hour. 94640 is used for an inhalation treatment that is not being reported as an additional hour of continuous therapy.
What documentation supports reporting an additional hour?
Record the clinical indication, medication and delivery method, elapsed continuous-treatment time, and the physician supervision under which the service was performed.
Does physician supervision affect billing?
Yes. CMS identifies this as an incident-to service, so it is billed only when performed under physician supervision.
How many units should be reported?
Report 94645 for each additional hour of continuous treatment after the initial hour represented by 94644. The record should support the duration billed.
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
Fee sheets · Coming soon
Put 94645 and the rest of your codes on one sheet
Your codes at your locality, with payer contracts beside Medicare.
Join the waitlist