Partial thromboplastin time (PTT) clotting test in Los Angeles-Long Beach-Anaheim, CA — inpatient
In Los Angeles-Long Beach-Anaheim, CA, 29 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $5.94 to $322.00, with a median of $73.15. The lowest listed price is at UCI Health - Fountain Valley.
Cash prices at 29 facilities across 20 cities for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Nov 26, 2025 and Jul 27, 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 Los Angeles-Long Beach-Anaheim, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| UCI Health - Fountain Valley lowest Orange, CA PTT | $5.94 | $14.85 | 60% | Apr 1, 2026 source file |
| Regents of the University of California at Irvine Hospital Orange, CA HB LAB QUEST PTT-LA WITH REFLEX TO HEXAGONAL PHASE CONFIRM (UCI ONLY) | $6.45 | $16.12 | 60% | Apr 1, 2026 source file |
| Cedars-Sinai Marina Hospital Marina del Rey, CA HB LAB PTT ER | $6.59 | $10.14 | 35% | Nov 26, 2025 source file |
| Cedars-Sinai Marina Hospital Marina del Rey, CA HB MISC LAB SPECIAL TEST | $6.59 | $10.14 | 35% | Nov 26, 2025 source file |
| St Jude Hospital Inc Fullerton, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM | $21.60 | $45.00 | 52% | Apr 1, 2026 source file |
| Mission Hospital Regional Med Center Mission Viejo, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM | $21.60 | $45.00 | 52% | Apr 1, 2026 source file |
| St Joseph Hospital of Orange Orange, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM | $21.60 | $45.00 | 52% | Apr 1, 2026 source file |
| St Jude Hospital Inc Fullerton, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $33.45 | $69.68 | 52% | Apr 1, 2026 source file |
| St Joseph Hospital of Orange Orange, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $33.45 | $69.68 | 52% | Apr 1, 2026 source file |
| Mission Hospital Regional Med Center Mission Viejo, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $33.45 | $69.68 | 52% | Apr 1, 2026 source file |
| UCI Health - Placentia Linda Orange, CA PTT/2 | $37.60 | $94.00 | 60% | Apr 1, 2026 source file |
| Regents of the University of California at Irvine Hospital Orange, CA HB THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $37.60 | $94.00 | 60% | Apr 1, 2026 source file |
| UCI Health - Fountain Valley Orange, CA PTT/2 | $37.60 | $94.00 | 60% | Apr 1, 2026 source file |
| UCI Health - Los Alamitos Orange, CA PTT | $37.60 | $94.00 | 60% | Apr 1, 2026 source file |
| Childrens Hospital of Orange County - Profit Orange, CA PTT Mixing Study 3 | $60.00 | $60.00 | — | Mar 19, 2026 source file |
| Hoag Memorial Hospital Presbyterian Newport Beach, CA HC Thromboplastin Time Partial | $61.11 | $94.01 | 35% | Apr 1, 2026 source file |
| Hoag Memorial Hospital Presbyterian Newport Beach, CA HC Thromboplastin Time Partial Plasma/Whole Blood # | $61.11 | $94.01 | 35% | Apr 1, 2026 source file |
| Hoag Memorial Hospital Presbyterian Newport Beach, CA HC Activated Ptt | $64.14 | $98.68 | 35% | Apr 1, 2026 source file |
| St Jude Hospital Inc Fullerton, CA HC THROMBOPLASTIN TIME PARTIAL | $71.85 | $149.69 | 52% | Apr 1, 2026 source file |
| St Joseph Hospital of Orange Orange, CA HC THROMBOPLASTIN TIME PARTIAL | $71.85 | $149.69 | 52% | Apr 1, 2026 source file |
| Mission Hospital Regional Med Center Mission Viejo, CA HC THROMBOPLASTIN TIME PARTIAL | $71.85 | $149.69 | 52% | Apr 1, 2026 source file |
| Providence Health System - Southern California Torrance, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $73.15 | $209.00 | 65% | Apr 1, 2026 source file |
| Providence Health System - Southern California Torrance, CA HC THROMBOPLASTIN TIME PARTIAL | $73.15 | $209.00 | 65% | Apr 1, 2026 source file |
| Providence Health System - Southern California San Pedro, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $73.15 | $209.00 | 65% | Apr 1, 2026 source file |
| Providence Health System - Southern California San Pedro, CA HC THROMBOPLASTIN TIME PARTIAL | $73.15 | $209.00 | 65% | Apr 1, 2026 source file |
| Providence Health System - Southern California Santa Monica, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $79.45 | $227.00 | 65% | Apr 1, 2026 source file |
| Providence Health System - Southern California Santa Monica, CA HC THROMBOPLASTIN TIME PARTIAL | $79.45 | $227.00 | 65% | Apr 1, 2026 source file |
| Providence Health System - Southern California Burbank, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $90.30 | $258.00 | 65% | Apr 1, 2026 source file |
| Providence Health System - Southern California Burbank, CA HC THROMBOPLASTIN TIME PARTIAL | $90.30 | $258.00 | 65% | Apr 1, 2026 source file |
| USC Arcadia Hospital Arcadia, CA LUPUS ANTICOAGULANT PANEL | $95.55 | $273.00 | 65% | Jul 27, 2026 source file |
| Kaiser Foundation Hospital - Woodland Hills Woodland Hills, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - Los Angeles Los Angeles, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - Orange County - Irvine Irvine, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - Downey Downey, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - Baldwin Park Baldwin Park, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - Orange County - Anaheim Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - Panorama City Panorama City, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - South Bay Harbor City, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Keck Hospital of USC Los Angeles, CA Thromboplastin Time Partial Plasma/Whole Blood | $135.50 | $135.50 | — | Apr 1, 2026 source file |
| USC Kenneth Norris Jr Cancer Hospital Los Angeles, CA Thromboplastin Time Partial Plasma/Whole Blood | $143.00 | $143.00 | — | Apr 1, 2026 source file |
| Providence Health System - Southern California Mission Hills, CA HC THROMBOPLASTIN TIME PARTIAL | $144.90 | $414.00 | 65% | Apr 1, 2026 source file |
| Providence Health System - Southern California Mission Hills, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $144.90 | $414.00 | 65% | Apr 1, 2026 source file |
| Cedars-Sinai Medical Center Los Angeles, CA HB LAB PTT ER | $158.78 | $244.27 | 35% | Nov 26, 2025 source file |
| Tarzana Medical Center LLC Tarzana, CA HC THROMBOPLASTIN TIME PARTIAL | $207.20 | $592.00 | 65% | Apr 1, 2026 source file |
| Tarzana Medical Center LLC Tarzana, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB | $207.20 | $592.00 | 65% | Apr 1, 2026 source file |
| Childrens Hospital of Orange County - Profit Orange, CA Partial Thromboplastin Time | $289.00 | $289.00 | — | Mar 19, 2026 source file |
| Childrens Hospital of Orange County - Profit Orange, CA APTT | $319.00 | $319.00 | — | Mar 19, 2026 source file |
| UCI Health - Lakewood Orange, CA PTT | $322.00 | $805.00 | 60% | Apr 1, 2026 source file |
Inpatient: lowest $5.94, median $73.15, highest $322.00 — a 54.2× difference within the same market.
As an outpatient, the same code is billed by 32 facilities here, median $51.70 — that is the price to compare if you are not being admitted.
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.
2 rows held back from this comparison
They are priced below $1 or below a tenth of the national median for code 85730 ($48.56). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| Hoag Memorial Hospital Presbyterian Newport Beach, CAHC Ptt - Venous Thrombosis | $3.43 | file |
| Hoag Memorial Hospital Presbyterian Newport Beach, CAHC Ptt | $3.48 | file |