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Trastuzumab-dttb (Ontruzant) Injection

Oregon rates for HCPCS Q5112

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

Rates data updated October 2026.

How much does Ontruzant (trastuzumab) cost?

$22.39per 10 mg

Typical negotiated rate. In Oregon, October 2026.

Insurers have agreed to pay about $22.39 for each 10 mg of this drug. The price depends on where it is billed: about $22.39 from a physician practice, and about $30.20 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
$22.39
At a hospital outpatient department
$30.20

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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 8 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$22.39$20.89 to $29.51
FacilityA hospital or hospital-owned outpatient department$30.20$21.88 to $57.54

How much rates vary

Facilitymedian $30 · 10th to 90th $19 to $117Professionalmedian $22 · 10th to 90th $21 to $39
$20$50$100facility $30professional $22

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$21.38
Cigna
Setting
Facility
Modifier
None
Typical Low
$27.54
Median
$37.15
Typical High
$57.54
Cigna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$24.55
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$41.69
Median
$61.66
Typical High
$75.86
Moda Health
Setting
Facility
Modifier
None
Typical Low
$20.89
Median
$22.39
Typical High
$52.48
Moda Health
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$23.99
Typical High
$29.51
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$18.62
Median
$23.99
Typical High
$57.54
Providence
Setting
Facility
Modifier
None
Typical Low
$23.44
Median
$26.30
Typical High
$57.54
Providence
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$26.30
Typical High
$79.43
Regence BlueShield
Setting
Facility
Modifier
None
Typical Low
$42.66
Median
$104.71
Typical High
$134.90
Regence BlueShield
Setting
Professional
Modifier
None
Typical Low
$19.50
Median
$20.89
Typical High
$20.89
United
Setting
Facility
Modifier
None
Typical Low
$20.89
Median
$42.66
Typical High
$50.12
United
Setting
Professional
Modifier
None
Typical Low
$29.51
Median
$29.51
Typical High
$34.67
8 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$10.47
Median
$10.47
Typical High
$10.72
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$4.17
Median
$4.17
Typical High
$4.27
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$3.16
Median
$3.16
Typical High
$3.16
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$2.09
Median
$2.09
Typical High
$2.14
Moda Health
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$14.79
Median
$14.79
Typical High
$14.79
Moda Health
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$6.03
Median
$6.03
Typical High
$6.03
Moda Health
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$4.47
Median
$4.47
Typical High
$4.47
Moda Health
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$2.95
Median
$2.95
Typical High
$2.95

Where Oregon 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.

Oregon· 31st of 51

$22.39

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.