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Casimersen Injection

Washington rates for HCPCS J1426 · Amondys 45

Injection, casimersen, 10 mg

Rates data updated July 2026.

How much does Amondys 45 (casimersen) cost?

$162per 10 mg

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $162 for each 10 mg of this drug. The price depends on where it is billed: about $162 from a physician practice, and about $166 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 10 mg. Enter the amount given to see what insurers have agreed to pay for it.

mg
In a doctor's office or clinic
$162
At a hospital outpatient department
$166

The same drug, in the same amount, costs 2% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$162$162 to $162
FacilityA hospital or hospital-owned outpatient department$166$162 to $263

How much rates vary

Facilitymedian $166 · 10th to 90th $158 to $380Professionalmedian $162 · 10th to 90th $158 to $162
$200$500facility $166professional $162

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
$162.18
Median
$162.18
Typical High
$380.19
Aetna
Setting
Professional
Modifier
Global
Typical Low
$154.88
Median
$162.18
Typical High
$162.18
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$162.18
Median
$177.83
Typical High
$263.03
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Cigna
Setting
Facility
Modifier
Global
Typical Low
$162.18
Median
$316.23
Typical High
$398.11
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$158.49
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$147.91
Median
$190.55
Typical High
$537.03
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$162.18
Median
$177.83
Typical High
$263.03
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
United
Setting
Facility
Modifier
Global
Typical Low
$165.96
Median
$165.96
Typical High
$165.96
United
Setting
Professional
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$158.49

Where Washington sits

The same service costs 1.7 times more in Colorado than in Nebraska. 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.

Washington· 31st of 51

$162

CO $263NE $155

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.