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Trastuzumab-dttb (Ontruzant) Injection

Montana rates for HCPCS Q5112

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

Rates data updated July 2026.

How much does Trastuzumab-dttb (Ontruzant) Injection cost?

$33.11per 10 mg

Typical negotiated rate. In Montana, July 2026.

Insurers have agreed to pay about $33.11 for each 10 mg of this drug. The price depends on where it is billed: about $32.36 from a physician practice, and about $36.31 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
$32.36
At a hospital outpatient department
$36.31

The same drug, in the same amount, costs 12% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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$32.36$29.51 to $36.31
FacilityA hospital or hospital-owned outpatient department$36.31$33.11 to $75.86

How much rates vary

Facilitymedian $36 · 10th to 90th $28 to $120Professionalmedian $32 · 10th to 90th $30 to $68
$100.0$1.0K$10.0K$100.0K$1.0Mfacility $36professional $32

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
Professional
Modifier
Global
Typical Low
$29.51
Median
$32.36
Typical High
$67.61
BCBS
Setting
Facility
Modifier
Global
Typical Low
$173.78
Median
$64,565.42
Typical High
$89,125.09
Cigna
Setting
Facility
Modifier
Global
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
Cigna
Setting
Professional
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$36.31
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$36.31
Median
$39.81
Typical High
$109.65
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$36.31
Median
$39.81
Typical High
$109.65
Providence
Setting
Facility
Modifier
Global
Typical Low
$27.54
Median
$31.62
Typical High
$104.71
Providence
Setting
Professional
Modifier
Global
Typical Low
$29.51
Median
$33.11
Typical High
$79.43
United
Setting
Professional
Modifier
Global
Typical Low
$27.54
Median
$27.54
Typical High
$36.31

Where Montana sits

Rates are fairly even across states for this service. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Montana $33.11 · 2nd of 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.