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C. Diff Toxin Gene Test

Maryland rates for HCPCS 87493

This laboratory test looks for the genetic material of the toxin-producing form of Clostridioides difficile bacteria in a stool sample, using a technique that amplifies small amounts of genetic material so it can be detected. It is used to determine whether a Clostridioides difficile infection is causing diarrhea or colon inflammation.

Rates data updated July 2026.

How much does C. Diff Toxin Gene Test cost?

$40.74

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $40.74 for this service. Most negotiated rates run $28.18 to $209.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $288 · 10th to 90th $43 to $363Professionalmedian $37 · 10th to 90th $20 to $191
$20$50$100$200facility $288professional $37

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$42.66
Median
$288.40
Typical High
$363.08
Aetna
Setting
Professional
Modifier
Global
Typical Low
$27.54
Median
$37.15
Typical High
$208.93
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$26.92
Median
$29.51
Typical High
$34.67
Cigna
Setting
Professional
Modifier
Global
Typical Low
$20.42
Median
$27.54
Typical High
$81.28
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$37.15
Median
$44.67
Typical High
$56.23
United
Setting
Facility
Modifier
Global
Typical Low
$15.49
Median
$15.49
Typical High
$120.23
United
Setting
Professional
Modifier
Global
Typical Low
$16.60
Median
$20.89
Typical High
$35.48
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$18.62
Median
$34.67
Typical High
$34.67

Where Maryland sits

The same service costs 4.7 times more in West Virginia than in Oklahoma. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Maryland· 44th of 51

$40.74

WV $166OK $35.48

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.