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
Protein S Total and Free Antigen
Washington, DC
See all hospitals reporting CPT 85305 →Price type
Aiken Regional Medical Centers’s median price of $127 is 565% above the median hospital's median price ($19), higher than 90% of the 2,438 hospitals reporting CPT 85305. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Negotiated rates from the hospital’s own file: 5 payers, 5 plan rates. A facility fee, a professional fee, a per diem and a case rate are different bills, so each is listed on its own. Open a payer to see it across hospitals.
Filter by billing methodology
Filter by billing class
| # | |||||||
|---|---|---|---|---|---|---|---|
| 1 | Molina medicaid fee schedule · both | $15 | $15 | — | — | — | $15 – $15 |
| 2 | WellCare medicaid fee schedule · both | $15 | $15 | — | — | — | $15 – $15 |
| 3 | Medcost managed_care percent of total billed charges · bothfrom % of charges | $240 | $240 | — | — | — | $240 – $240 |
| 4 | Humana managed_care percent of total billed charges · bothfrom % of charges | $531 | $531 | — | — | — | $531 – $531 |
| 5 | MultiPlan managed_care percent of total billed charges · bothfrom % of charges | $621 | $621 | — | — | — | $621 – $621 |
Last updated: Jan 1, 2026
See Protein S blood test pricing across every hospital in the network reporting it, or ask Claude or any MCP client directly — see how to connect.