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Trastuzumab-dttb (Ontruzant) Injection

Illinois rates for HCPCS Q5112

Injection, trastuzumab-dttb, biosimilar, (Ontruzant), 10 mg

Rates data updated July 2026.

How much does Ontruzant (trastuzumab) cost?

$29.51per 10 mg

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $29.51 for each 10 mg of this drug. The price depends on where it is billed: about $29.51 from a physician practice, and about $52.48 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

Work out the cost of a dose

This drug is priced per 10 mg. Enter the amount given to see what insurers have agreed to pay for it.

mg
In a doctor's office or clinic
$29.51
At a hospital outpatient department
$52.48

The same drug, in the same amount, costs 78% more at a hospital than at a doctor's office.

Drug cost only. Giving the drug, the visit itself and any monitoring are billed on their own codes. We do not publish dosing guidance: use the amount from your own prescription or treatment plan.

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$29.51$29.51 to $31.62
FacilityA hospital or hospital-owned outpatient department$52.48$34.67 to $60.26

How much rates vary

Facilitymedian $52 · 10th to 90th $30 to $138Professionalmedian $30 · 10th to 90th $28 to $52
$20$50$100$200$500facility $52professional $30

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
$29.51
Median
$52.48
Typical High
$112.20
Aetna
Setting
Professional
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$36.31
BCBS
Setting
Facility
Modifier
Global
Typical Low
$44.67
Median
$194.98
Typical High
$1,023.29
BCBS
Setting
Professional
Modifier
Global
Typical Low
$40.74
Median
$40.74
Typical High
$48.98
Cigna
Setting
Facility
Modifier
Global
Typical Low
$41.69
Median
$60.26
Typical High
$74.13
Cigna
Setting
Professional
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$33.88
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$19.05
Median
$144.54
Typical High
$281.84
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
$24.55
Median
$24.55
Typical High
$24.55
Molina
Setting
Professional
Modifier
Global
Typical Low
$19.50
Median
$37.15
Typical High
$43.65
United
Setting
Facility
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$48.98
United
Setting
Professional
Modifier
Global
Typical Low
$27.54
Median
$28.84
Typical High
$56.23

Where Illinois sits

Rates are fairly even across states for this service. 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.

Illinois· 39th of 51

$29.51

NY $34.67MN $27.54

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.