Hospitals report these codes with terse, inconsistent chargemaster text. This plain-English title was written by an AI model from that text and has not been reviewed by a person, so it can be wrong. The prices on this page come straight from hospital filings and do not depend on it.
Original text from hospital filings
Unlisted Procedure Accessory Sinuses
Low
$0
Average
$7.5k
Median
$806
High
$97.4k
Filter by billing methodology
Reflects a negotiated percentage of total billed charges.
Showing only prices reported under the percent of billed charges methodology. Choose another in the filter above to change the chart. 156 hospitals; the 90th percentile is 143.7× the 10th. Each bar is a price range and its height is how many hospitals fall in it. Hover a bar, or a row in the ladder, for details.
Click a bar to filter the hospitals table to that price range.
| # | Hospital | ||||||
|---|---|---|---|---|---|---|---|
| 1 | Northwestern Memorial Hospital Chicago, IL | $66.1k | $72.7k | $33.9k | 47% | 604–676 | $21.7k – $144.5k |
| 2 | Northwestern Medicine Central DuPage Hospital Winfield, IL | $63.0k | $63.0k | $33.6k | 53% | 47–470 | $4.0k – $105.0k |
| 3 | Northwestern Medicine Kishwaukee Hospital DeKalb, IL | $48.7k | $48.9k | $15.0k | 31% | 31–310 | $13.3k – $72.4k |
| 4 | Northwestern Medicine Delnor Hospital Geneva, IL | $44.8k | $42.1k | $23.4k | 56% | 29–290 | $2.7k – $80.1k |
| 5 | Mayo Clinic Rochester, MN | $3.6k | $3.6k | $1.5k | 40% | 28–136 | $187 – $22.2k |
| 6 | Northern Illinois Medical Center DBA Northwestern Medicine McHenry Hospital McHenry, IL | $22.8k | $25.7k | $11.1k | 43% | 25–250 | $9.8k – $50.7k |
| 7 | Northwestern Lake Forest Hospital Lake Forest, IL | $111.5k | $97.4k | $52.8k | 54% | 21–210 | $29.0k – $174.4k |
| 8 | Fairview Health Services Minneapolis, MN | $4.1k | $4.0k | $1.2k | 29% | 8–80 | $997 – $6.6k |
| 9 | St Johns Hospital Of The Hospital Sisters Of The Third Order Of St Francis Springfield, IL | $6.0k | $5.3k | $1.3k | 25% | 6–60 | $3.4k – $6.4k |
| 10 | Mayo Clinic Arizona Phoenix, AZ | $6.2k | $6.1k | $2.9k | 48% | 5–50 | $78 – $17.2k |
Ask Claude or any MCP client for CPT 31299 pricing at a specific hospital — see how to connect.