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
Based on 964–3,484 billing samples across every hospital reporting.
Low
$0
Average
$2.3k
Median
$855
High
$72.6k
Filter by billing methodology
Showing prices across every billing methodology. Pick one in the filter above to narrow the chart. 1448 hospitals; the 90th percentile is 25.2× 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 | $57.8k | $65.8k | $38.1k | 58% | 676–748 | $425 – $144.5k |
| 2 | Northwestern Medicine Central DuPage Hospital Winfield, IL | $61.7k | $58.1k | $35.3k | 61% | 52–520 | $4.0k – $105.0k |
| 3 | Northwestern Medicine Kishwaukee Hospital DeKalb, IL | $42.2k | $38.4k | $22.6k | 59% | 41–410 | $5.0k – $72.4k |
| 4 | Northwestern Medicine Delnor Hospital Geneva, IL | $23.1k | $32.3k | $24.9k | 77% | 41–410 | $2.7k – $80.1k |
| 5 | Northwestern Lake Forest Hospital Lake Forest, IL | $43.8k | $72.6k | $58.5k | 81% | 30–300 | $3.3k – $174.4k |
| 6 | Mayo Clinic Rochester, MN | $3.6k | $3.8k | $1.7k | 45% | 30–156 | $187 – $22.2k |
| 7 | Northern Illinois Medical Center DBA Northwestern Medicine McHenry Hospital McHenry, IL | $20.4k | $22.5k | $12.5k | 56% | 30–300 | $5.4k – $50.7k |
| 8 | Fairview Health Services Minneapolis, MN | $815 | $1.8k | $1.9k | 103% | 28–280 | $95 – $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.