CMS Announces 2024 Ambulance Inflation Factor
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orOn October 14, 2022, CMS issued Transmittal 11642 (Change Request 12948), which announced the Medicare Ambulance Inflation Factor (AIF) for the calendar year 2023.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. Starting in the calendar year 2011, the change in the CPI-U is now reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The MFP reduction may result in a negative AIF for any calendar year. The resulting AIF is then added to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
For the 12-month period ending in June 2022, the Federal Bureau of Labor Statistics (BLS) has calculated that the CPI-U increased by 9.1%. CMS further indicated that the CY 2023 MFP would be 0.4%. Accordingly, CMS indicated that the Ambulance Inflation Factor for the calendar year 2023 will be 8.7%.
This is the largest inflation update since the implementation of the current Medicare Ambulance Fee Schedule in April 2002. The increase from last year’s 5.1% increase is also the single largest year-over-year increase on record.
The next CMS Ambulance Open Door Forum scheduled for:
Date: Thursday, December 9, 2021
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**This Agenda is Subject to Change**
Chair- Maria Durham, Director, Division of Data Analysis and Market Based Pricing
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Announcements & Updates
III. Open Q&A
**DATE IS SUBJECT TO CHANGE**
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ODF email: AMBULANCEODF@cms.hhs.gov
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Please either Join!
orSection 1834(l)(3)(B) of the Social Security Act mandates that the Medicare Ambulance Fee Schedule be updated each year to reflect inflation. This update is referred to as the “Ambulance Inflation Factor” or “AIF”.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. Starting in calendar year 2011, the change in the CPI-U is now reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The MFP reduction may result in a negative AIF for any calendar year. The resulting AIF is then added to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
For the 12-month period ending in June 2021, the federal Bureau of Labor Statistics (BLS) has calculated that the CPI-U has increased by 5.39%.
CMS has yet to release its estimate for the MFP in calendar year 2022. However, assuming CMS’ projections for the MFP are similar to last year’s projections, the number is likely to be in the 0.4% range.
Accordingly, the AAA is currently projecting that the 2022 Ambulance Inflation Factor will be approximately 5.0%.
Cautionary Note Regarding these Estimates
Members should be advised that the BLS’ calculations of the CPI-U are preliminary, and may be subject to later adjustment. The AAA further cautions members that CMS has not officially announced the MFP for CY 2022. Therefore, it is possible that these numbers may change. The AAA will notify members once CMS issues a transmittal setting forth the official 2022 Ambulance Inflation Factor.
On October 4, 2019, CMS issued Transmittal 4407 (Change Request 11497), which announced the Medicare Ambulance Inflation Factor (AIF) for calendar year 2020.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. Starting in calendar year 2011, the change in the CPI-U is now reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The MFP reduction may result in a negative AIF for any calendar year. The resulting AIF is then added to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
For the 12-month period ending in June 2018, the federal Bureau of Labor Statistics (BLS) has calculated that the CPI-U has increased 1.6%. CMS further indicated that the CY 2020 MFP will be 0.7%. Accordingly, CMS indicated that the Ambulance Inflation Factor for calendar year 2019 will be 0.9%.
Section 1834(l)(3)(B) of the Social Security Act mandates that the Medicare Ambulance Fee Schedule be updated each year to reflect inflation. This update is referred to as the “Ambulance Inflation Factor” or “AIF”.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. Starting in calendar year 2011, the change in the CPI-U is now reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The MFP reduction may result in a negative AIF for any calendar year. The resulting AIF is then added to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
For the 12-month period ending in June 2019, the federal Bureau of Labor Statistics (BLS) has calculated that the CPI-U has increased by 1.65%.
CMS has yet to release its estimate for the MFP in calendar year 2020. However, assuming CMS’ projections for the MFP are similar to last year’s projections, the number is likely to be in the 0.6% range.
Accordingly, the AAA is currently projecting that the 2020 Ambulance Inflation Factor will be approximately 1.1%.
Cautionary Note Regarding these Estimates
Members should be advised that the BLS’ calculations of the CPI-U are preliminary, and may be subject to later adjustment. The AAA further cautions members that CMS has not officially announced the MFP for CY 2020. Therefore, it is possible that these numbers may change. The AAA will notify members once CMS issues a transmittal setting forth the official 2020 Ambulance Inflation Factor.
The Centers for Medicare and Medicaid Services (CMS) held its latest Open Door Forum on Wednesday, March 28, 2019. As with past Open Door Forums, CMS started the call with the following announcements:
Following the announcements, CMS moved into a Question & Answer period. The majority of the questions related to the ET3 pilot program. As is typical, many questions were not answered on the call; instead, CMS asked the individual to submit their question in writing. However, the following questions were answered on the call:
Questions? Email Brian at bwerfel@aol.com
On November 30, 2018, CMS issued Transmittal 4172 (Change Request 11031), which announced the Medicare Ambulance Inflation Factor (AIF) for calendar year 2019.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. Starting in calendar year 2011, the change in the CPI-U is now reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The MFP reduction may result in a negative AIF for any calendar year. The resulting AIF is then added to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
For the 12-month period ending in June 2018, the federal Bureau of Labor Statistics (BLS) has calculated that the CPI-U has increased 2.9%. CMS further indicated that the CY 2019 MFP will be 0.6%. Accordingly, CMS indicated that the Ambulance Inflation Factor for calendar year 2019 will be 2.3%.
Section 1834(l)(3)(B) of the Social Security Act mandates that the Medicare Ambulance Fee Schedule be updated each year to reflect inflation. This update is referred to as the “Ambulance Inflation Factor” or “AIF”.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. Starting in calendar year 2011, the change in the CPI-U is now reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The MFP reduction may result in a negative AIF for any calendar year. The resulting AIF is then added to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
For the 12-month period ending in June 2018, the federal Bureau of Labor Statistics (BLS) has calculated that the CPI-U has increased by 2.87%.
CMS has yet to release its estimate for the MFP in calendar year 2019. However, assuming CMS’ projections for the MFP are similar to last year’s projections, the number is likely to be in the 0.5% range.
Accordingly, the AAA is currently projecting that the 2019 Ambulance Inflation Factor will be approximately 2.4%.
Cautionary Note Regarding these Estimates
Members should be advised that the BLS’ calculations of the CPI-U are preliminary, and may be subject to later adjustment. The AAA further cautions members that CMS has not officially announced the MFP for CY 2019. Therefore, it is possible that these numbers may change. The AAA will notify members once CMS issues a transmittal setting forth the official 2019 Ambulance Inflation Factor.
On December 14, 2017, CMS held its latest Open Door Forum. As usual, it started with a few announcements, as follows:
As with previous forums, CMS then fielded questions from the audience. The majority of these questions focused on the prior authorization process. As with previous ODFs, CMS declined to answer most of the questions on the call, instead asking the provider to submit their questions to CMS via email.
CMS did answer the following questions on the call:
Have questions? Please write to the Werfels at bwerfel@aol.com.
On October 27, 2017, CMS issued Transmittal 3893 (Change Request 10323), which announced the Medicare Ambulance Inflation Factor (AIF) for calendar year 2018.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. Starting in calendar year 2011, the change in the CPI-U is now reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The MFP reduction may result in a negative AIF for any calendar year. The resulting AIF is then added to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
For the 12-month period ending in June 2017, the federal Bureau of Labor Statistics (BLS) has calculated that the CPI-U has increased 1.6%.
In Transmittal 3893, CMS indicated the CY 2018 MFP will be 0.5%. Accordingly, CMS indicated that the Ambulance Inflation Factor for calendar year 2018 will be 1.1%.
Transmittal 3893 can be downloaded from the CMS website.
In this blog, I will provide a preliminary estimate of the Ambulance Inflation Factor (AIF) for calendar year 2018. The AIF is main factor that determines the increase (or decrease) in Medicare’s payment for ambulance services.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. For 2018, this means the 12-month period ending on June 30, 2017. Starting in calendar year 2011, the change in the CPI-U is reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The resulting AIF is then applied to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
The formula used to calculate the change in the CPI-U is limited to positive increases. Therefore, even if the change in the CPI-U was negative over a 12-month period (a rarity in the post-war era), the change in the CPI-U cannot be negative. However, when the MFP reduction is applied, the statute does permit a negative AIF for any calendar year. That is precisely what occurred in 2016, where the change in the CPI-U was 0.1% and the MFP was 0.5%. As a result, the industry saw an overall reduction in its Medicare rates of 0.4%.
Based on current data, it is highly unlikely that the AIF will be negative in 2018. For the 12-month period ending in June 30, 2017, the Bureau of Labor Statistics (BLS) currently calculates the change in the CPI-U to be approximately 1.6%.
CMS has yet to release its estimate for the MFP in calendar year 2018. However, assuming CMS’ projections for the MFP are similar to last year’s projections, the 2018 MFP is likely to be in the 0.3% to 0.5% range.
Therefore, at this time, my best guess is that the 2018 Ambulance Inflation Factor will be a positive 1.1% to 1.3%.
Please note that this estimate assumes the Bureau of Labor Statistics does not subsequently revise its inflation estimates. Please note further that this projection is based on the MFP being similar to last year. To the extent either of these numbers changes in the coming months (up or down), my estimate of the 2018 AIF would need to be adjusted accordingly. Ultimately, the 2018 AIF will be finalized by CMS by Transmittal, which typically occurs in the early part of the 4th quarter.
Assuming all other factors remained the same, calculating your 2018 Medicare rates would be a relatively simple exercise, i.e., you would simply add 1.1 to 1.3% to your 2017 rates. However, as part of its 2018 Physician Fee Schedule Proposed Rule (issued July 21, 2017), CMS proposed minor changes to the GPCIs. These changes can be viewed by going to the Physician Fee Schedule page on the CMS website, and clicking the link for the “CY 2018 PFS Proposed Rule Addenda” (located in the Downloads section). You would then need to open the file for “Addendum E_Geographic Practice Cost Indicies (GPCIs).”
If the PE GPCI in your area is proposed to increase, you can expect your 2018 Medicare rates to increase by slightly more than 1.1 – 1.3%. If the PE GPCI in your area is proposed to decrease, you can expect your 2018 Medicare rates to increase by slightly less than 1.1 to 1.3%.
If you are looking for a more precise calculation of your rates, you will need to use the following formulas:
Medicare Allowable = (UBR x .7 x GPCI) + (UBR x .3)
Medicare Allowable = (UBR x .5 x GPCI) + (UBR x .5)
In this formula, the “UBR” stands for the unadjusted base rate for each HCPCS code. These are calculated by multiplying the national conversation factor by the relative value unit assigned to each base rate. To save some time, estimates for the 2018 unadjusted base rates are reproduced below (using the low-end estimate for the AIF):
Base Rate (HCPCS Code) | 2018 Unadjusted Base Rate |
BLS non-Emergency (A0428) | $224.74 |
BLS emergency (A0429) | $359.58 |
ALS non-emergency (A0426) | $269.68 |
ALS emergency (A0427) | $427.00 |
ALS-2 (A0433) | $618.02 |
Specialty Care Transport (A0434) | $730.39 |
Paramedic Intercept (A0432) | $393.29 |
Fixed Wing (A0430) | $3,049.69 |
Rotary Wing (A0431) | $3,545.72 |
Plugging these UBRs into the above formulas will result in adjusted base rates for each level of ground and air ambulance service. The final step is to apply whatever temporary adjustments are in effect under the Medicare Ambulance Fee Schedule. For example, in 2017, there were adjustments in place for urban (2%), rural (3%) and super-rural (22.6% over the corresponding rural rate) transports. Note: these temporary adjustments are currently set to expire on December 31, 2017. Therefore, absent further legislation, they should not be added to the adjusted base rates for 2018.
At this time, I am estimating the following rates for Medicare mileage:
Base Rate (HCPCS Code) | 2018 Unadjusted Base Rate |
Ground Mileage – Urban | $7.23 |
Ground Mileage – Rural Miles 1 – 17 | $10.84 |
Ground Mileage – Rural Miles 18+ | $7.23 |
Fixed Wing Mileage – Urban | $86.5 |
Fixed Wing Mileage – Rural | $12.98 |
Rotary Wing Mileage – Urban | $23.09 |
Rotary Wing Mileage – Rural | $34.64 |
Please keep in mind that a number of assumptions went into these projections. The Bureau of Labor Statistics can revise its inflation figures in the coming months. CMS may announce an MFP projection that differs from what we expect. CMS may also announce that it is electing not to finalize its proposed changes to the GPCI (highly unlikely). If any of these assumptions was to change, these projections would need to be revised. Therefore, I would suggest that you view these as rough estimates at best. The AAA will update members as more information becomes available in the coming months.
Have an issue you would like to see discussed in a future Talking Medicare blog? Please write to me at bwerfel@aol.com.
The Centers for Medicare and Medicare Services (CMS) issued Transmittal 3625 officially announcing that the inflation factor for payments under the Medicare ambulance fee schedule for 2017 will be 0.7%.
The calculation for determining the Medicare ambulance inflation factor is as follows: Consumer Price Index – Urban (which is the change in the CPI-U from June to June) minus the non-farm business multi-factor productivity adjustment (MFP) as projected by the Secretary of HHS (10-year average). The CPI-Urban for 2017 is 1.0% with a MFP of 0.3% which equals the 0.7% inflation factor. As part of the Affordable Care Act, a productivity adjustment is subtracted from the CPI-Urban for the final inflation update.
By Brian S. Werfel, AAA Medicare Consultant | Updated November 25, 2015
Each year, the Centers for Medicare and Medicaid Services (CMS) determine the following year’s Ambulance Inflation Factor (AIF), a figure that has deep revenue implications for ambulance services of all sizes. CMS recently announced that the 2016 AIF will be a disappointing – 0.4%.
In this inaugural edition of the Talking Medicare blog, I explore the ins and outs of the AIF, including the impact of the Multi-Factor Productivity Index on our industry’s Medicare payments.
First, some background. The Affordable Care Act revised the formula by which CMS calculates the annual adjustment to Medicare’s reimbursement rates for ambulance services. Prior to 2011, Medicare’s payment for ambulance services increased each year by an amount equal to the percentage increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending in June of the previous year (i.e., for 2016, the 12-month period ending on June 30, 2015). Starting in 2011, the CPI-U increase is reduced by the so-called Multi-Factor Productivity Index (MFP).
For 2016, the change in the CPI-U was equal to 0.1%. In a transmittal issued November 17, 2015, CMS indicated that it estimates the MFP will be 0.5% next year. As a result, CMS calculated the Ambulance Inflation Factor (AIF) to be – 0.4% next year.
Yes, you read that correctly. Your Medicare reimbursement rates will decrease next year!
The MFP represents a permanent reduction in the amounts paid by the Medicare Program for ambulance services. And, unlike other recent reimbursement hits our industry has faced, this reduction compounds itself over time.
What do I mean by that? Quite simply, I mean that the lower rates become part of the baseline against which the next year’s AIF is calculated. As a result, the gap between our industry’s costs of providing ambulance services and Medicare’s reimbursement for those services grows larger every year.
To give you a sense of the impact of MFP over time, this chart shows the payment of an ALS emergency transport in New York City over the past several years. In 2010, the Medicare allowable rate for this transport was $491.06. In 2016, the Medicare allowable rate for that same transport will be $517.02, an increase of 5.3%. However, without the MFP, the Medicare allowable would have been $544.22, or 10.8%. In other words, our Medicare increase would have been more than twice as much in the absence of the MFP.
Keep in mind that the AIF was created to ensure that Medicare reimbursement keeps pace with the increased costs of providing ambulance services to your community. By that yardstick, the current process for calculating the Ambulance Inflation Factor is clearly inadequate.
One of the key issues facing our industry is our ongoing fight for permanent Medicare ambulance relief. The recent AIF simply highlights the need for a better method of ensuring that Medicare’s payments keep pace with our costs.
Have an issue you would like to see discussed in a future blog post? Please write to bwerfel@aol.com.
AAA members are invited to send Medicare claim questions to Brian and David Werfel.
Not yet a member? Join today to gain access to AAA’s reimbursement, human resources, and healthcare law expertise.
Section 1834(l)(3)(B) of the Social Security Act mandates that the Medicare Ambulance Fee Schedule be updated each year to reflect inflation. This update is referred to as the “Ambulance Inflation Factor” or “AIF”.
The AIF is calculated by measuring the increase in the consumer price index for all urban consumers (CPI-U) for the 12-month period ending with June of the previous year. Starting in calendar year 2011, the change in the CPI-U is now reduced by a so-called “productivity adjustment”, which is equal to the 10-year moving average of changes in the economy-wide private nonfarm business multi-factor productivity index (MFP). The MFP reduction may result in a negative AIF for any calendar year. The resulting AIF is then added to the conversion factor used to calculate Medicare payments under the Ambulance Fee Schedule.
For the 12-month period ending in June 2015, the federal Bureau of Labor Statistics (BLS) has calculated that the CPI-U has increased by 0.12%.
CMS has yet to release its estimate for the MFP in calendar year 2016. However, assuming CMS’ projections for the MFP are similar to last year’s projections, the number is likely to be in the 0.6% range.
Accordingly, the AAA is currently projecting that the 2016 Ambulance Inflation Factor will be approximately ~0.5%.
Members should be advised that the BLS’ calculations of the CPI-U are preliminary, and may be subject to later adjustment. The AAA further cautions members that CMS has not officially announced the MFP for CY 2016. Therefore, it is possible that these numbers may change. However, at this point in time, it appears likely that the 2016 AIF will result in a decrease in Medicare payments for air and ground ambulance services.
The AAA will notify members once CMS issues a transmittal setting forth the official 2016 Ambulance Inflation Factor.