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Interfyl

Illinois rates for HCPCS Q4171

Interfyl, 1 mg

Rates data updated July 2026.

How much does Interfyl cost?

$32.36per mg

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $32.36 for each mg of this drug. The price depends on where it is billed: about $32.36 from a physician practice, and about $40.74 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
$32.36
At a hospital outpatient department
$40.74

The same drug, in the same amount, costs 26% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$32.36$30.90 to $33.11
FacilityA hospital or hospital-owned outpatient department$40.74$30.90 to $66.07

How much rates vary

Facilitymedian $41 · 10th to 90th $31 to $107Professionalmedian $32 · 10th to 90th $14 to $39
$10.0$20.0$50.0$100.0$200.0$500.0facility $41professional $32

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
$9.12
Median
$30.90
Typical High
$40.74
Aetna
Setting
Professional
Modifier
Global
Typical Low
$26.92
Median
$31.62
Typical High
$33.11
BCBS
Setting
Facility
Modifier
Global
Typical Low
$81.28
Median
$125.89
Typical High
$588.84
Cigna
Setting
Facility
Modifier
Global
Typical Low
$46.77
Median
$61.66
Typical High
$79.43
Cigna
Setting
Professional
Modifier
Global
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$33.88
Typical High
$70.79
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$13.18
Typical High
$13.18
Molina
Setting
Professional
Modifier
Global
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
United
Setting
Facility
Modifier
Global
Typical Low
$38.90
Median
$64.57
Typical High
$64.57
United
Setting
Professional
Modifier
Global
Typical Low
$21.38
Median
$38.90
Typical High
$39.81

Where Illinois sits

The same service costs 4.7 times more in Minnesota than in New Hampshire. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Illinois $32.36 · 23rd of 51
MN $46.77NH $10.00

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.