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 PROTEIN C ACTIVITY
Based on 4,516–19,555 billing samples across every hospital reporting.
Low
$7
Average
$1.0k
Median
$51
High
$2284.5k
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Showing prices across every billing methodology. Pick one in the filter above to narrow the chart. 2445 hospitals; the 90th percentile is 12.0× 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 | $37 | $33 | $8 | 25% | 926–998 | $14 – $39 |
| 2 | Northwestern Memorial Hospital Chicago, IL | $198 | $217 | $142 | 65% | 172–1,720 | $38 – $570 |
| 3 | Boston Children's Hospital Boston, MA | $162 | $157 | $33 | 21% | 160 | $50 – $208 |
| 4 | Brigham and Women's Hospital Boston, MA | $150 | $143 | $39 | 27% | 155–191 | $78 – $203 |
| 5 | Baptist Healthcare System Inc Lexington, KY | $109 | $137 | $136 | 99% | 128–137 | $12 – $439 |
| 6 | Northwestern Medicine Central DuPage Hospital Winfield, IL | $114 | $136 | $128 | 94% | 118–694 | $13 – $570 |
| 7 | Baptist Healthcare System Inc Corbin, KY | $173 | $154 | $137 | 89% | 116 | $12 – $432 |
| 8 | Massachusetts General Hospital Boston, MA | $150 | $142 | $31 | 22% | 113–194 | $78 – $175 |
| 9 | State Of Mississippi-university Of Mississippi Medical Center JACKSON, MS | $28 | $26 | $10 | 38% | 96–168 | $13 – $41 |
| 10 | Baptist Healthcare System Inc. Louisville, KY | $85 | $127 | $131 | 103% | 85 | $8 – $432 |
Ask Claude or any MCP client for CPT 85303 pricing at a specific hospital — see how to connect.