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Trastuzumab-dttb (Ontruzant) Injection

Massachusetts rates for HCPCS Q5112

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

Rates data updated July 2026.

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

$29.51per 10 mg

Typical negotiated rate. In Massachusetts, 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 $38.02 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
$38.02

The same drug, in the same amount, costs 29% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 8 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 $30.20
FacilityA hospital or hospital-owned outpatient department$38.02$29.51 to $52.48

How much rates vary

Facilitymedian $38 · 10th to 90th $30 to $63Professionalmedian $30 · 10th to 90th $29 to $50
$10.0$100.0$1.0K$10.0Kfacility $38professional $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
$38.02
Typical High
$60.26
Aetna
Setting
Professional
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$50.12
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$52.48
Median
$63.10
Typical High
$457.09
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$20.89
Median
$27.54
Typical High
$97.72
BCBS
Setting
Facility
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$58.88
Cigna
Setting
Facility
Modifier
Global
Typical Low
$27.54
Median
$53.70
Typical High
$128.82
Cigna
Setting
Professional
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$29.51
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$29.51
Median
$41.69
Typical High
$5,888.44
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$41.69
Median
$41.69
Typical High
$48.98
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$29.51
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$52.48
Median
$63.10
Typical High
$457.09
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$20.89
Median
$27.54
Typical High
$97.72
United
Setting
Facility
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$64.57
United
Setting
Professional
Modifier
Global
Typical Low
$27.54
Median
$29.51
Typical High
$66.07

Where Massachusetts 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.

Massachusetts $29.51 · 24th 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.