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Trastuzumab-dttb (Ontruzant) Injection

Kentucky rates for HCPCS Q5112

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

Rates data updated October 2026.

How much does Ontruzant (trastuzumab) cost?

$20.89per 10 mg

Typical negotiated rate. In Kentucky, October 2026.

Insurers have agreed to pay about $20.89 for each 10 mg of this drug. The price depends on where it is billed: about $20.89 from a physician practice, and about $24.55 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
$20.89
At a hospital outpatient department
$24.55

The same drug, in the same amount, costs 17% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$20.89$20.89 to $29.51
FacilityA hospital or hospital-owned outpatient department$24.55$22.91 to $29.51

How much rates vary

Facilitymedian $25 · 10th to 90th $21 to $50Professionalmedian $21 · 10th to 90th $21 to $39
$20$50$100facility $25professional $21

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
Facility
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$20.89
Aetna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$20.89
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$23.99
Median
$24.55
Typical High
$64.57
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$36.31
CareSource
Setting
Facility
Modifier
None
Typical Low
$19.05
Median
$19.05
Typical High
$30.20
CareSource
Setting
Professional
Modifier
None
Typical Low
$19.05
Median
$19.95
Typical High
$26.30
Cigna
Setting
Facility
Modifier
None
Typical Low
$27.54
Median
$39.81
Typical High
$72.44
Cigna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$125.89
Molina
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$27.54
Typical High
$35.48
United
Setting
Professional
Modifier
None
Typical Low
$29.51
Median
$31.62
Typical High
$33.11
4 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
$10.47
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$4.17
Median
$4.17
Typical High
$4.17
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
$2.09

Where Kentucky 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.

Kentucky· 51st of 51

$20.89

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.