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Clinical Laboratory Fee Schedule
Outpatient clinical laboratory services are paid based on the Medicare Part B Clinical Laboratory Fee Schedule (CLFS) in accordance with Section 1833(h) of the Social Security Act. Payment is the lesser of the amount billed, the local fee for a geographic area, or a national limit. In accordance with the statute, the national limits are set at a percent of the median of all local fee schedule amounts for each laboratory test code. Each year, fees are updated for inflation based on the percentage change in the Consumer Price Index. However, legislation by Congress can modify the update to the fees.
Co-payments and deductibles do not apply to services paid under the Medicare clinical laboratory fee schedule.
Each year, new laboratory test codes are added to the clinical laboratory fee schedule and corresponding fees are developed in response to a public comment process. Also, for a cervical or vaginal smear test (Pap smear), the fee cannot be less than a national minimum payment amount, initially established at $14.60 and updated each year for inflation.
Critical access hospitals are paid for outpatient laboratory services on a reasonable cost basis, instead of by the fee schedule. Hospitals with fewer than 50 beds in qualified rural areas—those with population densities in the lowest quartile of all rural areas—are paid based on a reasonable cost basis for outpatient clinical laboratory tests for cost reporting periods between July 2004 and July 2006.
The Protecting Access to Medicare Act of 2014 (PAMA) that became law on April 1, 2014, required labs to report such data and the test volumes associated with that data, beginning on Jan. 1, 2016.
On Jan. 1, 2017, CMS will use the market data to set prices for the Part B Clinical Laboratory Fee Schedule. As currently written, PAMA specifies that CMS cannot cut the price of a specific lab test by more than 10% in each of 2017, 2018, and 2019, nor by more than 15% in each of 2020, 2021, and 2022. There is no limit on price reductions outlined in the law for years following 2022.
Tennessee BCBS Cuts Lab Fees to 52% of Medicare
By Joseph Burns | From the Volume XX, No. 17 – December 23, 2013 Issue
CEO SUMMARY: Blue Cross Blue Shield of Tennessee has notified physicians that, starting January 1, it will reduce what it pays for lab testing to 52% of Medicare fees. Officials with the state medical association have been unable to get definitive answers to questions about what tests wou…
ACLA, CAP Comment on Final 2014 Medicare Rules
By Joseph Burns | From the Volume XX, No. 16 – December 2, 2013 Issue
CEO SUMMARY: On November 27, as the nation prepared for the Thanksgiving holiday, the federal Centers for Medicare & Medicaid Services (CMS) announced the long-awaited final rules for 2014. Early analysis of the 1,300 pages of rules CMS released indicates that the agency moderated one…
Medicare Price Cuts Drive Labs to Sell or File BK
By Robert Michel | From the Volume XX No. 15 – November 11, 2013 Issue
CEO SUMMARY: Professional investors are smart with their money. Thus, it is no surprise that clinical lab and pathology companies owned by private equity firms are the first to be sold or closed. These investors are acting in response to the cumulative negative financial impact of recent …
Theranos Won’t Discuss Disruptive Lab Technology
By Joseph Burns | From the Volume XX No. 13 – September 30, 2013 Issue
CEO SUMMARY: In a partnership with Walgreens pharmacies, Theranos Inc. announced that it will run clinical lab tests on “micro-samples” and collect these blood samples without venipuncture. Even as Theranos touts the patient-friendly benefits of its proprietary diagnostic technology, …
Medicare’s Latest Attack on Lab Test Prices
By R. Lewis Dark | From the Volume XX No. 12 – September 9, 2013 Issue
MANY OF YOU KNOW ABOUT THE PROPOSED NEW MEDICARE RULE by the Centers for Medicare & Medicaid Services (CMS) that it would use to initiate a review of the prices it pays for 1,250 clinical laboratory tests under the Medicare Part B Clinical Laboratory Fee Schedule (CLFS). However…
CMS Proposes Yet More Cuts for 2014, Beyond
By Joseph Burns | From the Volume XX No. 12 – September 9, 2013 Issue
CEO SUMMARY: In July, CMS proposed rules to cut payments under the Hospital Outpatient Prospective Payment System, the Physician Fee Schedule, and the Clinical Laboratory Fee Schedule. Under each program, the proposed payment cuts could have a significant and negative effect on the amount…
Attorneys for CAP Say CMS Fee Proposals Illegal
By Joseph Burns | From the Volume XX No. 12 – September 9, 2013 Issue
CEO SUMMARY: In its comments about a proposal to change the way CMS pays for clinical laboratory and pathology services, the College of American Pathologists (CAP) said that CMS is using faulty assumptions. CAP further commented that the CMS proposal to cap physician fee schedule payments…
CMS’ Proposed Lab Rules May Not Fly with Congress
By Joseph Burns | From the Volume XX No. 12 – September 9, 2013 Issue
CEO SUMMARY: Many clinical lab administrators have noticed the new activism at the federal Centers for Medicare Medicaid Services (CMS) when it comes to control of establishing prices for clinical laboratory tests. In this exclusive interview, two long-time advocates for the National Inde…
Labs Have New Hurdles as Some Payments Start
By Joseph Burns | From the Volume XX No. 8 – June 17, 2013 Issue
CEO SUMMARY: Some payments are beginning to flow for claims submitted under the new molecular test CPT codes. But there is a new issue. Medicare contractors, Medicaid programs, and private health insurers are deeming certain molecular tests to be medically unnecessary. Th…
Aetna To Lower Lab Test Prices, New Fees Are Effective on July 1
By Robert Michel | From the Volume XX No. 7 – May 28, 2013 Issue
IN RECENT MONTHS, labs are reporting the receipt of letters from Aetna, Inc., announcing that it will pay dramatically less than Medicare prices for many key lab tests. Aetna said that these lower prices will take effect on July 1, 2013. Three examples illustrate the deep fee cuts t…
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Volume XXXII, No. 13 – September 15, 2025
The Dark Report examines a new bill that would reform PAMA and avoid reimbursement rate cuts scheduled for January 2026. Clinical laboratory leaders are urged to make their voices heard in Congress. Also, an expert describes how labs can fix pre-analytical errors and avoid disaster.
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