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Omalizumab Injection

Illinois rates for HCPCS J2357 · Xolair, Xolair PFS

Injection, omalizumab, 5 mg

Rates data updated July 2026.

How much does Omalizumab Injection cost?

$2,451per dose

One 294 mg dose, at the doctor's office rate. In Illinois, July 2026.

Negotiated ratewhat insurers pay per 5 mg of the drug
$41.69 / 5 mg
Average doseacross Medicare claims, discarded units included
× 294 mg
One dosedrug only; giving it and the visit are billed separately
$2,451

Work out the cost of a dose

This drug is priced per 5 mg. Enter the amount given to see what insurers have agreed to pay for it. Prefilled with the average administration in Medicare claims, discarded units included.

mg
In a doctor's office or clinic
$2,451
At a hospital outpatient department
$3,710

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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 5 insurance carriers under federal price transparency rules.

Where the price changes

Given atPer 5 mgPer 294 mg dose
Doctor's office or clinic$41.69$2,451
Hospital outpatient department$63.10$3,710

How much rates vary

Facilitymedian $63 · 10th to 90th $42 to $91Professionalmedian $42 · 10th to 90th $40 to $72
$50$100$200$500facility $63professional $42

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
$41.69
Median
$63.10
Typical High
$83.18
Aetna
Setting
Professional
Modifier
Global
Typical Low
$39.81
Median
$41.69
Typical High
$72.44
BCBS
Setting
Facility
Modifier
Global
Typical Low
$30.20
Median
$89.13
Typical High
$467.74
Cigna
Setting
Facility
Modifier
Global
Typical Low
$58.88
Median
$77.62
Typical High
$100.00
Cigna
Setting
Professional
Modifier
Global
Typical Low
$41.69
Median
$41.69
Typical High
$41.69
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$38.02
Median
$58.88
Typical High
$114.82
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
$57.54
Median
$57.54
Typical High
$57.54
United
Setting
Facility
Modifier
Global
Typical Low
$41.69
Median
$41.69
Typical High
$69.18
United
Setting
Professional
Modifier
Global
Typical Low
$45.71
Median
$45.71
Typical High
$47.86

Where Illinois sits

The same service costs 2.3 times more in Delaware than in Massachusetts. 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.

Illinois· 38th of 51

$42.66

DE $97.72MA $41.69

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.