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Ado-Trastuzumab Emtansine Injection

Illinois rates for HCPCS J9354 · Kadcyla

Injection, ado-trastuzumab emtansine, 1 mg

Rates data updated July 2026.

How much does Kadcyla (ado-trastuzumab emtansine) cost?

$42.66per mg

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $42.66 for each mg of this drug. The price depends on where it is billed: about $42.66 from a physician practice, and about $61.66 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 mg. Enter the amount given to see what insurers have agreed to pay for it.

mg
In a doctor's office or clinic
$42.66
At a hospital outpatient department
$61.66

The same drug, in the same amount, costs 45% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$42.66$42.66 to $44.67
FacilityA hospital or hospital-owned outpatient department$61.66$42.66 to $74.13

How much rates vary

Facilitymedian $62 · 10th to 90th $43 to $100Professionalmedian $43 · 10th to 90th $43 to $59
$50$100$200$500facility $62professional $43

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
$42.66
Median
$61.66
Typical High
$85.11
Aetna
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$51.29
BCBS
Setting
Facility
Modifier
Global
Typical Low
$63.10
Median
$173.78
Typical High
$512.86
BCBS
Setting
Professional
Modifier
Global
Typical Low
$44.67
Median
$50.12
Typical High
$50.12
Cigna
Setting
Facility
Modifier
Global
Typical Low
$58.88
Median
$85.11
Typical High
$104.71
Cigna
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$50.12
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$41.69
Median
$72.44
Typical High
$104.71
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$54.95
Median
$54.95
Typical High
$54.95
Molina
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$52.48
Typical High
$61.66
United
Setting
Facility
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$69.18
United
Setting
Professional
Modifier
Global
Typical Low
$39.81
Median
$42.66
Typical High
$56.23

Where Illinois sits

Rates are fairly even across states for this service. 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.

Illinois· 49th of 51

$42.66

CA $45.71NY $40.74

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.