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Ado-Trastuzumab Emtansine Injection

Massachusetts 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 Massachusetts, 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 $54.95 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
$54.95

The same drug, in the same amount, costs 29% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 9 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 $46.77
FacilityA hospital or hospital-owned outpatient department$54.95$42.66 to $77.62

How much rates vary

Facilitymedian $55 · 10th to 90th $43 to $115Professionalmedian $43 · 10th to 90th $43 to $72
$100.0$1.0K$10.0Kfacility $55professional $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
$58.88
Typical High
$97.72
Aetna
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$58.88
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$35.48
Median
$120.23
Typical High
$208.93
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$43.65
Typical High
$134.90
BCBS
Setting
Facility
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$83.18
BCBS
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$72.44
Typical High
$77.62
Cigna
Setting
Facility
Modifier
Global
Typical Low
$42.66
Median
$75.86
Typical High
$181.97
Cigna
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$42.66
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$42.66
Median
$57.54
Typical High
$5,888.44
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$45.71
Health New England
Setting
Facility
Modifier
Global
Typical Low
$6,025.60
Median
$6,456.54
Typical High
$16,982.44
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$35.48
Median
$120.23
Typical High
$208.93
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$43.65
Typical High
$134.90
United
Setting
Facility
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$91.20
United
Setting
Professional
Modifier
Global
Typical Low
$38.02
Median
$42.66
Typical High
$47.86

Where Massachusetts sits

Rates are fairly even across states for this service. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Massachusetts $42.66 · 47th of 51
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.