D-dimer test cost in Illinois

In Illinois, 109 hospitals publish a cash price for D-dimer blood test (blood clot marker): from $9.00 to $492.00, with a median of $119.00. The lowest price is at Uchicago Medicine AdventHealth Bolingbrook (Bolingbrook) and 3 other hospitals. The highest price is 54.7× the lowest.

• The median here, $119.00, is 25% above the US median of $95.43.
• That is 11.7× Medicare's 2026 national rate for the same service ($10.18).
• Illinois ranks 35th of 51 states by median, cheapest first.
• 29 of 109 hospitals list a cash price equal to their full list price, with no self-pay discount.

Illinois law (Hospital Uninsured Patient Discount Act, 210 ILCS 89): an uninsured Illinois resident with family income up to 600% of the federal poverty level (300% at rural and critical access hospitals) can apply for a discount that brings the bill down to about 135% of the hospital's cost; up to 200% (125% at rural hospitals) medically necessary care is free. A hospital may collect no more than 25% of family income in 12 months. Ask the billing office for the application. Other states' laws.

Outpatient cash prices, one line per hospital — its lowest listed price for code 85379. Prices for both sides of the body and inpatient prices are not mixed in. Collected Nov 10, 2026. See them on a map