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Ado-Trastuzumab Emtansine Injection

Montana rates for HCPCS J9354 · Kadcyla

Injection, ado-trastuzumab emtansine, 1 mg

Rates data updated October 2026.

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

$50.12per mg

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $50.12 for each mg of this drug. The price depends on where it is billed: about $50.12 from a physician practice, and about $52.48 from a hospital or other facility.

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
$50.12
At a hospital outpatient department
$52.48

The same drug, in the same amount, costs 5% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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$50.12$43.65 to $54.95
FacilityA hospital or hospital-owned outpatient department$52.48$48.98 to $54.95

How much rates vary

Facilitymedian $52 · 10th to 90th $42 to $78Professionalmedian $50 · 10th to 90th $43 to $79
$50$100facility $52professional $50

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
$43.65
Median
$43.65
Typical High
$54.95
BCBS Montana
Setting
Facility
Modifier
None
Typical Low
$39.81
Median
$46.77
Typical High
$74.13
Cigna
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$50.12
Typical High
$97.72
Cigna
Setting
Professional
Modifier
None
Typical Low
$43.65
Median
$50.12
Typical High
$50.12
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$41.69
Median
$52.48
Typical High
$69.18
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$41.69
Median
$54.95
Typical High
$58.88
Providence
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$50.12
Typical High
$97.72
Providence
Setting
Professional
Modifier
None
Typical Low
$50.12
Median
$54.95
Typical High
$79.43
United
Setting
Professional
Modifier
None
Typical Low
$42.66
Median
$42.66
Typical High
$42.66
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
$21.88
Median
$25.12
Typical High
$27.54
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$8.71
Median
$10.00
Typical High
$10.96
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$6.61
Median
$7.59
Typical High
$8.13
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$4.37
Median
$5.01
Typical High
$5.50

Where Montana 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.

Montana· 2nd of 51

$50.12

AK $54.95OR $43.65

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.