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Interfyl

Missouri rates for HCPCS Q4171

Interfyl, 1 mg

Rates data updated October 2026.

How much does Interfyl cost?

$33.11per mg

Typical negotiated rate. In Missouri, October 2026.

Insurers have agreed to pay about $33.11 for each mg of this drug. The price depends on where it is billed: about $33.11 from a physician practice, and about $50.12 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
$33.11
At a hospital outpatient department
$50.12

The same drug, in the same amount, costs 51% 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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$33.11$13.18 to $38.90
FacilityA hospital or hospital-owned outpatient department$50.12$30.90 to $61.66

How much rates vary

Facilitymedian $50 · 10th to 90th $14 to $85Professionalmedian $33 · 10th to 90th $11 to $76
$10$20$50facility $50professional $33

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
$30.90
Median
$30.90
Typical High
$30.90
Aetna
Setting
Professional
Modifier
None
Typical Low
$30.90
Median
$30.90
Typical High
$30.90
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$54.95
Typical High
$56.23
BCBS Kansas City
Setting
Professional
Modifier
None
Typical Low
$46.77
Median
$50.12
Typical High
$66.07
Cigna
Setting
Facility
Modifier
None
Typical Low
$37.15
Median
$54.95
Typical High
$61.66
Cigna
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
Medica
Setting
Facility
Modifier
None
Typical Low
$10.96
Median
$38.90
Typical High
$85.11
Medica
Setting
Professional
Modifier
None
Typical Low
$10.72
Median
$10.72
Typical High
$75.86
United
Setting
Professional
Modifier
None
Typical Low
$35.48
Median
$38.90
Typical High
$44.67
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
$15.49
Median
$15.49
Typical High
$15.49
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$6.31
Median
$6.31
Typical High
$6.31
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$4.68
Median
$4.68
Typical High
$4.68
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$3.09
Median
$3.09
Typical High
$3.09

Where Missouri 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.

Missouri· 35th of 51

$33.11

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.