Lab tests CPT 85730 Inpatient — admitted to hospital

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.

Lowest$5.94UCI Health - Fountain Valley
Median$73.15half pay less
Highest$322.00in this market
Difference54.2×highest vs lowest

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.

median
Lowest $5.94Highest $322.00

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
UCI Health - Fountain Valley lowest Orange, CA PTT $5.94 $14.85 60% Apr 1, 2026
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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
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Cedars-Sinai Marina Hospital Marina del Rey, CA HB LAB PTT ER $6.59 $10.14 35% Nov 26, 2025
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Cedars-Sinai Marina Hospital Marina del Rey, CA HB MISC LAB SPECIAL TEST $6.59 $10.14 35% Nov 26, 2025
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St Jude Hospital Inc Fullerton, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $21.60 $45.00 52% Apr 1, 2026
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Mission Hospital Regional Med Center Mission Viejo, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $21.60 $45.00 52% Apr 1, 2026
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St Joseph Hospital of Orange Orange, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $21.60 $45.00 52% Apr 1, 2026
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St Jude Hospital Inc Fullerton, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $33.45 $69.68 52% Apr 1, 2026
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St Joseph Hospital of Orange Orange, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $33.45 $69.68 52% Apr 1, 2026
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Mission Hospital Regional Med Center Mission Viejo, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $33.45 $69.68 52% Apr 1, 2026
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UCI Health - Placentia Linda Orange, CA PTT/2 $37.60 $94.00 60% Apr 1, 2026
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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
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UCI Health - Fountain Valley Orange, CA PTT/2 $37.60 $94.00 60% Apr 1, 2026
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UCI Health - Los Alamitos Orange, CA PTT $37.60 $94.00 60% Apr 1, 2026
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Childrens Hospital of Orange County - Profit Orange, CA PTT Mixing Study 3 $60.00 $60.00 Mar 19, 2026
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Hoag Memorial Hospital Presbyterian Newport Beach, CA HC Thromboplastin Time Partial $61.11 $94.01 35% Apr 1, 2026
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Hoag Memorial Hospital Presbyterian Newport Beach, CA HC Thromboplastin Time Partial Plasma/Whole Blood # $61.11 $94.01 35% Apr 1, 2026
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Hoag Memorial Hospital Presbyterian Newport Beach, CA HC Activated Ptt $64.14 $98.68 35% Apr 1, 2026
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St Jude Hospital Inc Fullerton, CA HC THROMBOPLASTIN TIME PARTIAL $71.85 $149.69 52% Apr 1, 2026
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St Joseph Hospital of Orange Orange, CA HC THROMBOPLASTIN TIME PARTIAL $71.85 $149.69 52% Apr 1, 2026
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Mission Hospital Regional Med Center Mission Viejo, CA HC THROMBOPLASTIN TIME PARTIAL $71.85 $149.69 52% Apr 1, 2026
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Providence Health System - Southern California Torrance, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $73.15 $209.00 65% Apr 1, 2026
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Providence Health System - Southern California Torrance, CA HC THROMBOPLASTIN TIME PARTIAL $73.15 $209.00 65% Apr 1, 2026
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Providence Health System - Southern California San Pedro, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $73.15 $209.00 65% Apr 1, 2026
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Providence Health System - Southern California San Pedro, CA HC THROMBOPLASTIN TIME PARTIAL $73.15 $209.00 65% Apr 1, 2026
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Providence Health System - Southern California Santa Monica, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $79.45 $227.00 65% Apr 1, 2026
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Providence Health System - Southern California Santa Monica, CA HC THROMBOPLASTIN TIME PARTIAL $79.45 $227.00 65% Apr 1, 2026
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Providence Health System - Southern California Burbank, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $90.30 $258.00 65% Apr 1, 2026
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Providence Health System - Southern California Burbank, CA HC THROMBOPLASTIN TIME PARTIAL $90.30 $258.00 65% Apr 1, 2026
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USC Arcadia Hospital Arcadia, CA LUPUS ANTICOAGULANT PANEL $95.55 $273.00 65% Jul 27, 2026
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Kaiser Foundation Hospital - Woodland Hills Woodland Hills, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 48%
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Kaiser Foundation Hospital - Los Angeles Los Angeles, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 48%
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Kaiser Foundation Hospital - Orange County - Irvine Irvine, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 48%
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Kaiser Foundation Hospital - Downey Downey, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 48%
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Kaiser Foundation Hospital - Baldwin Park Baldwin Park, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 48%
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Kaiser Foundation Hospital - Orange County - Anaheim Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 48%
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Kaiser Foundation Hospital - Panorama City Panorama City, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 48%
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Kaiser Foundation Hospital - South Bay Harbor City, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 48%
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Keck Hospital of USC Los Angeles, CA Thromboplastin Time Partial Plasma/Whole Blood $135.50 $135.50 Apr 1, 2026
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USC Kenneth Norris Jr Cancer Hospital Los Angeles, CA Thromboplastin Time Partial Plasma/Whole Blood $143.00 $143.00 Apr 1, 2026
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Providence Health System - Southern California Mission Hills, CA HC THROMBOPLASTIN TIME PARTIAL $144.90 $414.00 65% Apr 1, 2026
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Providence Health System - Southern California Mission Hills, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $144.90 $414.00 65% Apr 1, 2026
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Cedars-Sinai Medical Center Los Angeles, CA HB LAB PTT ER $158.78 $244.27 35% Nov 26, 2025
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Tarzana Medical Center LLC Tarzana, CA HC THROMBOPLASTIN TIME PARTIAL $207.20 $592.00 65% Apr 1, 2026
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Tarzana Medical Center LLC Tarzana, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $207.20 $592.00 65% Apr 1, 2026
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Childrens Hospital of Orange County - Profit Orange, CA Partial Thromboplastin Time $289.00 $289.00 Mar 19, 2026
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Childrens Hospital of Orange County - Profit Orange, CA APTT $319.00 $319.00 Mar 19, 2026
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UCI Health - Lakewood Orange, CA PTT $322.00 $805.00 60% Apr 1, 2026
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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