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Unlisted Colon Procedure

Montana rates for HCPCS 45399

An operation on the colon, the large bowel, that has no standard named entry of its own. It is used when the work performed does not match any established description, so the surgeon submits a written report of exactly what was done.

Rates data updated October 2026.

How much rates vary

Facilitymedian $1,000 · 10th to 90th $603 to $1,862Professionalmedian $79 · 10th to 90th $79 to $79
$100$200$500$1Kfacility $1,000professional $79

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
Providence
Setting
Professional
Modifier
None
Typical Low
$79.43
Median
$79.43
Typical High
$79.43
United
Setting
Facility
Modifier
None
Typical Low
$602.56
Median
$1,000.00
Typical High
$1,862.09
1 more rate 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
MountainHealth Co-op
Setting
Facility
Modifier
CSTM-00
Typical Low
$1,862.09
Median
$1,862.09
Typical High
$3,019.95