go back

Breathing Response To Carbon Dioxide Test

New York rates for HCPCS 94400

A test of how strongly your breathing increases when the carbon dioxide level in the air you breathe is raised. You breathe through a mouthpiece while the gas mixture is adjusted and the depth and rate of your breathing are recorded, showing how sensitively the body's breathing control responds.

Rates data updated October 2026.

How much rates vary

Facilitymedian $29 · 10th to 90th $29 to $35Professionalmedian $54 · 10th to 90th $48 to $55
$50facility $29professional $54

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
Emblem Health
Setting
Facility
Modifier
TC · Technical part
Typical Low
$28.84
Median
$28.84
Typical High
$35.48
Emblem Health
Setting
Professional
Modifier
GL · Free upgrade
Typical Low
$47.86
Median
$53.70
Typical High
$54.95