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Unlisted Procedure Of The Mouth Vestibule

Montana rates for HCPCS 40899

Covers an operation on the vestibule of the mouth, the space between the lips or cheeks and the gums and teeth, that has no standard named entry of its own. The surgeon submits a written report describing exactly what was done so the service can be reviewed and priced.

Rates data updated July 2026.

How much rates vary

Facilitymedian $631 · 10th to 90th $501 to $692Professionalmedian $85 · 10th to 90th $79 to $692
$100$200$500facility $631professional $85

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$501.19
Median
$630.96
Typical High
$691.83
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$501.19
Median
$630.96
Typical High
$691.83
Providence
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$79.43
Typical High
$85.11