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Breathing Flow Test

Illinois rates for HCPCS 94375

This test measures the pattern and speed of airflow during a forceful breath in and out, producing a graph that shows how quickly and smoothly air moves through the lungs. It is one part of a broader evaluation of lung function, useful for detecting conditions that narrow or obstruct the airways.

Rates data updated July 2026.

How much does Breathing Flow Test cost?

$42.66

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $42.66 for this service. Most negotiated rates run $31.62 to $60.26.

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 7 insurance carriers under federal price transparency rules.

How much rates vary

Professionalmedian $43 · 10th to 90th $15 to $72
$10.0$20.0$50.0$100.0$200.0professional $43

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
26 · Professional part
Typical Low
$14.45
Median
$22.91
Typical High
$38.90
Aetna
Setting
Professional
Modifier
Global
Typical Low
$34.67
Median
$41.69
Typical High
$95.50
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$13.18
Median
$15.49
Typical High
$33.88
Aetna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$21.38
Median
$25.70
Typical High
$37.15
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$31.62
Median
$40.74
Typical High
$52.48
Ambetter
Setting
Professional
Modifier
26 · Professional part
Typical Low
$12.88
Median
$12.88
Typical High
$19.05
BCBS
Setting
Professional
Modifier
Global
Typical Low
$14.79
Median
$33.88
Typical High
$66.07
Cigna
Setting
Professional
Modifier
Global
Typical Low
$37.15
Median
$52.48
Typical High
$83.18
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$14.45
Median
$19.50
Typical High
$31.62
Cigna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$23.44
Median
$33.11
Typical High
$51.29
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$37.15
Median
$58.88
Typical High
$199.53
Hally Health
Setting
Professional
Modifier
26 · Professional part
Typical Low
$14.13
Median
$20.89
Typical High
$70.79
Hally Health
Setting
Professional
Modifier
TC · Technical part
Typical Low
$21.38
Median
$33.11
Typical High
$128.82
Hally Health
Setting
Facility
Modifier
26 · Professional part
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$46.77
Median
$46.77
Typical High
$51.29
Hally Health
Setting
Professional
Modifier
26 · Professional part
Typical Low
$17.38
Median
$17.38
Typical High
$18.20
Hally Health
Setting
Professional
Modifier
TC · Technical part
Typical Low
$28.84
Median
$30.20
Typical High
$32.36
Molina
Setting
Professional
Modifier
Global
Typical Low
$25.70
Median
$33.11
Typical High
$39.81
United
Setting
Professional
Modifier
Global
Typical Low
$35.48
Median
$46.77
Typical High
$75.86
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$13.49
Median
$18.62
Typical High
$30.90
United
Setting
Professional
Modifier
TC · Technical part
Typical Low
$21.38
Median
$28.84
Typical High
$46.77

Where Illinois sits

The same service costs 2.4 times more in Minnesota than in Oklahoma. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Illinois $42.66 · 30th of 51
MN $87.10OK $36.31

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.