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Interfyl

North Carolina rates for HCPCS Q4171

Interfyl, 1 mg

Rates data updated October 2026.

How much does Interfyl cost?

$9.33per mg

Typical negotiated rate. In North Carolina, October 2026.

Insurers have agreed to pay about $9.33 for each mg of this drug. The price depends on where it is billed: about $9.33 from a physician practice, and about $37.15 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
$9.33
At a hospital outpatient department
$37.15

The same drug, in the same amount, costs 298% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$9.33$7.08 to $33.11
FacilityA hospital or hospital-owned outpatient department$37.15$13.80 to $50.12

How much rates vary

Facilitymedian $37 · 10th to 90th $13 to $69Professionalmedian $9 · 10th to 90th $7 to $39
$10$20$50facility $37professional $9

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
$12.88
Median
$12.88
Typical High
$12.88
Aetna
Setting
Professional
Modifier
None
Typical Low
$12.88
Median
$12.88
Typical High
$32.36
BCBS North Carolina
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$7.08
Typical High
$9.33
Cigna
Setting
Facility
Modifier
None
Typical Low
$37.15
Median
$41.69
Typical High
$70.79
Cigna
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
Medcost
Setting
Facility
Modifier
None
Typical Low
$12.88
Median
$15.49
Typical High
$42.66
Medcost
Setting
Professional
Modifier
None
Typical Low
$38.90
Median
$45.71
Typical High
$51.29
United
Setting
Professional
Modifier
None
Typical Low
$38.90
Median
$38.90
Typical High
$38.90
5 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
$6.46
Median
$6.46
Typical High
$16.22
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.57
Median
$2.57
Typical High
$6.46
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$1.95
Median
$1.95
Typical High
$4.90
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$1.29
Median
$1.29
Typical High
$3.24
Medcost
Setting
Professional
Modifier
51 · Multiple procedures
Typical Low
$15.85
Median
$22.91
Typical High
$22.91

Where North Carolina sits

The same service costs 5.6 times more in Alaska than in North Carolina. 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.

North Carolina· 51st of 51

$9.33

AK $52.48NC $9.33

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.