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Breathing Flow Test

Washington, DC 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 October 2026.

How much does Breathing Flow Test cost?

$39.81

Typical negotiated rate. In Washington, DC, October 2026.

Insurers have agreed to pay about $39.81 for this service. Most negotiated rates run $36.31 to $43.65.

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.

How much rates vary

Facilitymedian $38 · 10th to 90th $38 to $100Professionalmedian $40 · 10th to 90th $29 to $56
$50$100facility $38professional $40

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$38.02
Median
$38.02
Typical High
$100.00
Aetna
Setting
Professional
Modifier
None (both parts)
Typical Low
$35.48
Median
$38.02
Typical High
$47.86
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$12.88
Median
$13.18
Typical High
$16.98
Aetna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$22.91
Median
$25.12
Typical High
$30.20
CareFirst
Setting
Professional
Modifier
None (both parts)
Typical Low
$28.84
Median
$39.81
Typical High
$43.65
CareFirst
Setting
Professional
Modifier
26 · Professional part
Typical Low
$13.49
Median
$14.79
Typical High
$14.79
CareFirst
Setting
Professional
Modifier
TC · Technical part
Typical Low
$26.30
Median
$26.30
Typical High
$32.36
Cigna
Setting
Professional
Modifier
None (both parts)
Typical Low
$37.15
Median
$42.66
Typical High
$85.11
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$13.49
Median
$14.45
Typical High
$28.84
Cigna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$23.99
Median
$28.18
Typical High
$54.95
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$40.74
Median
$45.71
Typical High
$91.20
Kaiser Permanente
Setting
Professional
Modifier
26 · Professional part
Typical Low
$13.18
Median
$14.79
Typical High
$30.90
Kaiser Permanente
Setting
Professional
Modifier
TC · Technical part
Typical Low
$27.54
Median
$30.90
Typical High
$60.26
United
Setting
Professional
Modifier
None (both parts)
Typical Low
$30.20
Median
$37.15
Typical High
$107.15
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$11.22
Median
$13.18
Typical High
$36.31
United
Setting
Professional
Modifier
TC · Technical part
Typical Low
$19.05
Median
$23.99
Typical High
$70.79
2 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
$17.78
Median
$19.05
Typical High
$19.05
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$7.08
Median
$7.59
Typical High
$7.59

Where Washington, DC sits

The same service costs 2.7 times more in Minnesota than in Utah. 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.

Washington, DC· 36th of 51

$39.81

MN $83.18UT $30.90

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.