Partial thromboplastin time (PTT) clotting test in Key West-Key Largo, FL
In Key West-Key Largo, FL, 2 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $16.25 to $158.60, with a median of $64.35. The lowest listed price is at Fishermens Health, INC.
Cash prices at 2 facilities across 2 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 Mar 30, 2026 and Mar 30, 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 Key West-Key Largo, FL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Fishermens Health, INC lowest Marathon, FL ARU PTT-LA Ratio | $16.25 | $25.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL ARU PTT-LA Ratio | $16.25 | $25.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL APS-APTT | $31.85 | $49.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL APS-APTT | $31.85 | $49.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL HCA mixing studies-PTT | $35.10 | $54.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL HCA mixing studies-PTT | $35.10 | $54.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL ARU Rflx PTT ratio, treated (C) | $56.55 | $87.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL ARU Rflx PTT ratio, treated (C) | $56.55 | $87.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL Factor VIII profile-ptt (c) | $64.35 | $99.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL Factor VIII profile-ptt (c) | $64.35 | $99.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL Mixing Studies-PTT | $72.80 | $112.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL Mixing Studies-PTT | $72.80 | $112.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL PTT-charge | $124.15 | $191.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL PTT-charge | $124.15 | $191.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL PTT charge | $131.30 | $202.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL PTT charge | $131.30 | $202.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL PTT (partial thromb time) | $158.60 | $244.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL PTT (partial thromb time) | $158.60 | $244.00 | 35% | Mar 30, 2026 source file |
Outpatient: lowest $16.25, median $64.35, highest $158.60 — a 9.8× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $64.35. 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.