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Emapalumab-lzsg Injection

Massachusetts rates for HCPCS J9210 · Gamifant

Injection, emapalumab-lzsg, 1 mg

Rates data updated October 2026.

How much does Gamifant (emapalumab-lzsg) cost?

$407per mg

Typical negotiated rate. In Massachusetts, October 2026.

Insurers have agreed to pay about $407 for each mg of this drug. The price depends on where it is billed: about $389 from a physician practice, and about $513 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
$389
At a hospital outpatient department
$513

The same drug, in the same amount, costs 32% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$389$389 to $427
FacilityA hospital or hospital-owned outpatient department$513$389 to $759

How much rates vary

Facilitymedian $513 · 10th to 90th $380 to $1,096Professionalmedian $389 · 10th to 90th $380 to $708
$100$200$500$1K$2Kfacility $513professional $389

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
Facility
Modifier
None
Typical Low
$389.05
Median
$389.05
Typical High
$389.05
Aetna
Setting
Professional
Modifier
None
Typical Low
$389.05
Median
$389.05
Typical High
$389.05
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$371.54
Median
$436.52
Typical High
$1,288.25
AllWays Health Partners
Setting
Professional
Modifier
None
Typical Low
$380.19
Median
$389.05
Typical High
$575.44
BCBS Massachusetts
Setting
Facility
Modifier
None
Typical Low
$389.05
Median
$446.68
Typical High
$812.83
Cigna
Setting
Facility
Modifier
None
Typical Low
$501.19
Median
$831.76
Typical High
$1,698.24
Cigna
Setting
Professional
Modifier
None
Typical Low
$389.05
Median
$389.05
Typical High
$467.74
Fallon Health
Setting
Facility
Modifier
None
Typical Low
$380.19
Median
$512.86
Typical High
$602.56
Harvard Pilgrim
Setting
Professional
Modifier
None
Typical Low
$380.19
Median
$389.05
Typical High
$831.76
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$371.54
Median
$436.52
Typical High
$1,288.25
Mass General Brigham
Setting
Professional
Modifier
None
Typical Low
$380.19
Median
$389.05
Typical High
$575.44
United
Setting
Facility
Modifier
None
Typical Low
$389.05
Median
$389.05
Typical High
$389.05
United
Setting
Professional
Modifier
None
Typical Low
$380.19
Median
$407.38
Typical High
$1,202.26
Well Sense
Setting
Facility
Modifier
None
Typical Low
$426.58
Median
$549.54
Typical High
$912.01
Well Sense
Setting
Professional
Modifier
None
Typical Low
$389.05
Median
$389.05
Typical High
$467.74
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
$194.98
Median
$194.98
Typical High
$194.98
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$79.43
Median
$79.43
Typical High
$79.43
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$58.88
Median
$58.88
Typical High
$58.88
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$38.90
Median
$38.90
Typical High
$38.90

Where Massachusetts sits

The same service costs 1.9 times more in Texas than in Illinois. 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· 23rd of 51

$407

TX $741IL $389

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.