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Trastuzumab-dttb (Ontruzant) Injection

Rhode Island rates for HCPCS Q5112

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

Rates data updated October 2026.

How much does Ontruzant (trastuzumab) cost?

$21.88per 10 mg

Typical negotiated rate. In Rhode Island, October 2026.

Insurers have agreed to pay about $21.88 for each 10 mg of this drug. The price depends on where it is billed: about $21.88 from a physician practice, and about $29.51 from a hospital or other facility.

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
$21.88
At a hospital outpatient department
$29.51

The same drug, in the same amount, costs 35% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 4 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$21.88$20.89 to $29.51
FacilityA hospital or hospital-owned outpatient department$29.51$26.92 to $29.51

How much rates vary

Facilitymedian $30 · 10th to 90th $21 to $43Professionalmedian $22 · 10th to 90th $21 to $30
$20$50$100facility $30professional $22

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$21.88
Median
$21.88
Typical High
$21.88
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$10.96
Median
$10.96
Typical High
$10.96
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$4.37
Median
$4.37
Typical High
$4.37
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$3.24
Median
$3.24
Typical High
$3.24
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$2.19
Median
$2.19
Typical High
$2.19
BCBS Rhode Island
Setting
Facility
Modifier
None
Typical Low
$26.92
Median
$29.51
Typical High
$89.13
BCBS Rhode Island
Setting
Professional
Modifier
None
Typical Low
$29.51
Median
$29.51
Typical High
$29.51
Cigna
Setting
Facility
Modifier
None
Typical Low
$20.89
Median
$26.92
Typical High
$42.66
Cigna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$20.89
United
Setting
Facility
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$20.89
United
Setting
Professional
Modifier
None
Typical Low
$29.51
Median
$29.51
Typical High
$31.62

Where Rhode Island sits

The same service costs 3.8 times more in Wyoming than in Kentucky. 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.

Rhode Island· 34th of 51

$21.88

WY $79.43KY $20.89

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.