Medicaid payments for pathology and laboratory services in Trenton jump 108.8% in 2024

In 2024, Medicaid providers in Trenton billed a total of $147,043 for Pathology and Laboratory Procedures services, based on data from the U.S. Department of Health and Human Services Medicaid Provider Spending database. This figure represents a 108.8% increase from 2023, when the submitted claims for the category amounted to $70,432.

Medicaid serves as a public insurance plan managed by states and funded by both federal and state governments. It provides health coverage to low-income individuals, families, seniors, children, and people with disabilities, making it a significant component of the U.S. health care landscape.

Because taxpayers support Medicaid, fluctuations in local billing levels reflect how public dollars are used for community health care services.

The “Pathology and Laboratory Procedures” category includes a variety of Medicaid-billed services defined by care type, based on standardized HCPCS and CPT code classifications. This analysis grouped each billing code into a single service category through consistent code prefixes and ranges, which allowed for reviewing related services while preventing overlap and maintaining accurate year-to-year ranking.

Pathology and Laboratory Procedures was the sixth highest Medicaid payment category in Trenton for 2024, amid broad increases across several categories.

Statewide in Michigan, the same category ranked ninth for total Medicaid outlays in 2024.

Across the five years ending in 2024, Trenton saw payments for the Pathology and Laboratory Procedures category grow by $118,843, or 421.4%. Certain years, such as 2022 and 2021, saw particularly strong year-over-year growth.

Although pathology and laboratory Medicaid payments occurred across the city, the majority of claims were concentrated in just a few ZIP codes. In 2024, ZIP code 48183 accounted for all Medicaid payments—totaling $147,043—for the category in Trenton. This means the top single ZIP code made up 100% of the city’s Medicaid spending for these services during the year.

Most Medicaid payments in the Pathology and Laboratory Procedures category were also concentrated within a handful of individual billing codes.

To compare, Pathology and Laboratory Procedures Medicaid payments in Trenton rose 108.8% from 2023 to 2024, whereas total Medicaid claims for all categories citywide grew 25.9% in the same period.

According to the Centers for Medicare & Medicaid Services, combined state and federal Medicaid expenditures reached about $871.7 billion in fiscal 2023, roughly 18% of all U.S. health spending, a significant rise from $613.5 billion in 2019, prior to the COVID-19 pandemic.

This 40% increase over just a few years is mainly attributable to increased enrollment and greater use of health services during and after the pandemic.

Recent Congressional budget legislation enacted under the Trump administration has introduced major proposals to limit federal Medicaid funds and reorganize the program. The “One Big Beautiful Bill Act,” signed into law in 2025, is expected to reduce federal Medicaid spending by over $1 trillion over the next 10 years and launches new patient requirements such as work criteria and higher cost-sharing. These changes could reduce federal coverage and shift additional costs to states, even as Medicaid continues to serve millions of Americans.

Note: HCPCS codes are shown for context within the category. Category totals and rankings in this article are based on standardized service groupings rather than individual billing codes.

Information in this article was obtained from the U.S. Department of Health and Human Services Medicaid Provider Spending database. The source data can be found here.