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
HC IMMUNODIFFUSION; GEL QUAL, EA AB/AG
Low
$2
Average
$2.7k
Median
$55
High
$3367.5k
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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. 1288 hospitals; the 90th percentile is 7.5× 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 | St. Peter's Health Helena, MT | $47 | $45 | $4 | 9% | 238–292 | $38 – $49 |
| 2 | Massachusetts General Hospital Boston, MA | $131 | $124 | $36 | 29% | 92–155 | $63 – $165 |
| 3 | Baptist Healthcare System Inc Lexington, KY | $101 | $130 | $100 | 77% | 52–79 | $12 – $382 |
| 4 | Martha's Vineyard Hospital Bluffs, MA | $155 | $176 | $30 | 17% | 39–57 | $155 – $218 |
| 5 | San Joaquin Community Hospital Bakersfield, CA | $8 | $24 | $36 | 148% | 36–360 | $2 – $149 |
| 6 | Northwestern Medicine Central DuPage Hospital Winfield, IL | $39 | $47 | $40 | 86% | 33–330 | $2 – $180 |
| 7 | Wentworth Douglass Hospital Dover, NH | $98 | $98 | $7 | 7% | 29–47 | $87 – $107 |
| 8 | St. Charles Madras Madras, OR | $30 | $29 | $15 | 52% | 27–54 | $8 – $48 |
| 9 | Childrens Hospital Colorado Aurora, CO | $25 | $25 | $8 | 33% | 24–240 | $4 – $49 |
| 10 | St Joseph Mercy Ann Arbor Ypsilanti, MI | $13 | $19 | $14 | 73% | 24–240 | $2 – $45 |
Ask Claude or any MCP client for CPT 86331 pricing at a specific hospital — see how to connect.