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Trastuzumab-dttb (Ontruzant) Injection

South Dakota rates for HCPCS Q5112

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

Rates data updated October 2026.

How much does Ontruzant (trastuzumab) cost?

$26.30per 10 mg

Typical negotiated rate. In South Dakota, October 2026.

Insurers have agreed to pay about $26.30 for each 10 mg of this drug. The price depends on where it is billed: about $26.30 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
$26.30
At a hospital outpatient department
$29.51

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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$26.30$24.55 to $29.51
FacilityA hospital or hospital-owned outpatient department$29.51$29.51 to $37.15

How much rates vary

Facilitymedian $30 · 10th to 90th $23 to $37Professionalmedian $26 · 10th to 90th $21 to $35
$20$50$100facility $30professional $26

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
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
$22.91
Cigna
Setting
Facility
Modifier
None
Typical Low
$22.91
Median
$22.91
Typical High
$22.91
Cigna
Setting
Professional
Modifier
None
Typical Low
$21.38
Median
$26.30
Typical High
$26.92
Medica
Setting
Facility
Modifier
None
Typical Low
$37.15
Median
$37.15
Typical High
$107.15
Medica
Setting
Professional
Modifier
None
Typical Low
$21.88
Median
$24.55
Typical High
$125.89
Midlands
Setting
Professional
Modifier
None
Typical Low
$26.30
Median
$26.30
Typical High
$35.48
Midlands
Setting
Professional
Modifier
None
Typical Low
$109.65
Median
$109.65
Typical High
$109.65
Sanford Health Plan
Setting
Professional
Modifier
None
Typical Low
$89.13
Median
$89.13
Typical High
$89.13
United
Setting
Professional
Modifier
None
Typical Low
$29.51
Median
$31.62
Typical High
$35.48
Wellmark
Setting
Facility
Modifier
None
Typical Low
$29.51
Median
$29.51
Typical High
$29.51
Wellmark
Setting
Professional
Modifier
None
Typical Low
$29.51
Median
$29.51
Typical High
$29.51

Where South Dakota 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.

South Dakota· 21st of 51

$26.30

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.