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Antibiotic Susceptibility Test, Each Drug

Illinois rates for HCPCS 87181

A follow-on laboratory test once bacteria have been grown from a sample. The organism is exposed to an antibiotic mixed into the material it is growing on, to see whether that drug stops it and at what strength, with a result reported for each drug tested.

Rates data updated July 2026.

How much does Antibiotic Susceptibility Test, Each Drug cost?

$5.62

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $5.62 for this service. The price depends on where it is billed: about $4.47 from a physician practice, and about $9.55 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$4.47$3.63 to $5.25
FacilityA hospital or hospital-owned outpatient department$9.55$6.46 to $23.99

How much rates vary

Facilitymedian $10 · 10th to 90th $5 to $41Professionalmedian $4 · 10th to 90th $3 to $10
$1.0$5.0$20.0$100.0facility $10professional $4

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
$4.57
Median
$9.55
Typical High
$40.74
Aetna
Setting
Professional
Modifier
Global
Typical Low
$3.63
Median
$4.27
Typical High
$9.77
BCBS
Setting
Facility
Modifier
Global
Typical Low
$6.46
Median
$14.45
Typical High
$64.57
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$3.63
Typical High
$4.79
Cigna
Setting
Facility
Modifier
Global
Typical Low
$5.37
Median
$11.22
Typical High
$22.39
Cigna
Setting
Professional
Modifier
Global
Typical Low
$2.51
Median
$5.75
Typical High
$8.91
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$9.55
Typical High
$54.95
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$6.17
Median
$6.17
Typical High
$6.17
Molina
Setting
Professional
Modifier
Global
Typical Low
$2.40
Median
$2.40
Typical High
$2.63
United
Setting
Facility
Modifier
Global
Typical Low
$3.02
Median
$4.79
Typical High
$7.94
United
Setting
Professional
Modifier
Global
Typical Low
$2.00
Median
$3.24
Typical High
$5.25

Where Illinois sits

The same service costs 3.8 times more in West Virginia than in Connecticut. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Illinois $5.62 · 20th of 51
WV $13.49CT $3.55

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.