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Emapalumab-lzsg Injection

Massachusetts rates for HCPCS J9210 · Gamifant

Injection, emapalumab-lzsg, 1 mg

Rates data updated July 2026.

How much does Gamifant (emapalumab-lzsg) cost?

$380per mg

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $380 for each mg of this drug. The price depends on where it is billed: about $380 from a physician practice, and about $417 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
$380
At a hospital outpatient department
$417

The same drug, in the same amount, costs 10% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 8 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$380$380 to $398
FacilityA hospital or hospital-owned outpatient department$417$380 to $676

How much rates vary

Facilitymedian $417 · 10th to 90th $380 to $1,096Professionalmedian $380 · 10th to 90th $380 to $646
$500$1K$2K$5Kfacility $417professional $380

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
$380.19
Median
$602.56
Typical High
$1,047.13
Aetna
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$380.19
Typical High
$398.11
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$371.54
Median
$977.24
Typical High
$1,288.25
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$389.05
Typical High
$467.74
BCBS
Setting
Facility
Modifier
Global
Typical Low
$380.19
Median
$380.19
Typical High
$758.58
Cigna
Setting
Facility
Modifier
Global
Typical Low
$501.19
Median
$812.83
Typical High
$1,659.59
Cigna
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$380.19
Typical High
$467.74
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$380.19
Median
$562.34
Typical High
$6,918.31
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$380.19
Typical High
$691.83
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$371.54
Median
$977.24
Typical High
$1,288.25
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$389.05
Typical High
$467.74
United
Setting
Facility
Modifier
Global
Typical Low
$346.74
Median
$380.19
Typical High
$630.96
United
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$380.19
Typical High
$457.09

Where Massachusetts sits

The same service costs 2.5 times more in Delaware than in Hawaii. 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.

Massachusetts· 50th of 51

$380

DE $933HI $372

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.