Partial thromboplastin time (PTT) clotting test in Louisville/Jefferson County, KY-IN
In Louisville/Jefferson County, KY-IN, 7 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $18.60 to $172.53, with a median of $95.40. The lowest listed price is at St. Vincent Salem Hospital, Inc..
Cash prices at 7 facilities across 6 cities for code 85730, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Feb 11, 2026 and Sep 18, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Louisville/Jefferson County, KY-IN.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| St. Vincent Salem Hospital, Inc. lowest Salem, IN #THROMBOPLAST PTT;PLSM/WHL BLD | $18.60 | $31.00 | 40% | — source file |
| St. Vincent Salem Hospital, Inc. Salem, IN #THROMBOPLAST PTT;PLSM/WHL BLD | $18.60 | $31.00 | 40% | — source file |
| Norton Healthcare Indiana Inc Jeffersonville, IN HB PTT LA | $25.20 | $180.00 | 86% | Jun 3, 2026 source file |
| Norton Healthcare Indiana Inc Jeffersonville, IN HB PTT (PRISMA CIRCUIT) | $25.20 | $180.00 | 86% | Jun 3, 2026 source file |
| Norton Healthcare Indiana Inc Jeffersonville, IN HB HEPARIN NEUTRALIZATION PTT | $25.20 | $180.00 | 86% | Jun 3, 2026 source file |
| Norton Healthcare Indiana Inc Jeffersonville, IN HB PTT ACTIVATED | $25.20 | $180.00 | 86% | Jun 3, 2026 source file |
| Norton Healthcare Indiana Inc Jeffersonville, IN HB POCT APTT | $25.20 | $180.00 | 86% | Jun 3, 2026 source file |
| Norton Hospitals INC Louisville, KY HB PTT (PRISMA CIRCUIT) | $95.40 | $477.00 | 80% | Feb 11, 2026 source file |
| Norton Hospitals INC Louisville, KY HB PTT LA | $95.40 | $477.00 | 80% | Feb 11, 2026 source file |
| Norton Hospitals INC Louisville, KY HB HEPARIN NEUTRALIZATION PTT | $95.40 | $477.00 | 80% | Feb 11, 2026 source file |
| Norton Hospitals INC Louisville, KY HB POCT APTT | $95.40 | $477.00 | 80% | Feb 11, 2026 source file |
| Norton Hospitals INC Louisville, KY HB PTT ACTIVATED | $95.40 | $477.00 | 80% | Feb 11, 2026 source file |
| Harrison County Hospital NW Corydon, IN Coagulation assessment blood test, plasma or whole blood | $115.20 | $192.00 | 40% | Jul 16, 2026 source file |
| St. Vincent Salem Hospital, Inc. Salem, IN THROMBOPLASTIN TIME PTT;PLASMA | $120.60 | $201.00 | 40% | — source file |
| St. Vincent Salem Hospital, Inc. Salem, IN THROMBOPLASTIN TIME PTT;PLASMA | $120.60 | $201.00 | 40% | — source file |
| Baptist Healthcare System INC La Grange, KY Coagulation assessment blood test, plasma or whole blood | $172.53 | $230.04 | 25% | Sep 15, 2026 source file |
| Baptist Healthcare System Inc. Louisville, KY Coagulation assessment blood test, plasma or whole blood | $172.53 | $230.04 | 25% | Sep 18, 2026 source file |
| Baptist Healthcare System INC New Albany, IN Coagulation assessment blood test, plasma or whole blood | $172.53 | $230.04 | 25% | Sep 15, 2026 source file |
Outpatient: lowest $18.60, median $95.40, highest $172.53 — a 9.3× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $60.30. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
The partial thromboplastin time (PTT or aPTT) test measures how long it takes blood to clot through a different pathway than the PT test. It is used to check for bleeding disorders, before surgery, and to monitor heparin.
What the price covers
The price usually covers the PTT test. The blood draw is often billed separately.