Lab tests CPT 85730 California Outpatient

Partial thromboplastin time (PTT) clotting test cost in California

In California, 104 hospitals publish a cash price for Partial thromboplastin time (PTT) clotting test: from $5.01 to $447.34, with a median of $110.42. The lowest price is at Stanford Health Care Tri-Valley (Pleasanton). The highest price is 89.3× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 85730. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 24, 2026.

Lowest$5.01Stanford Health Care Tri-Valley
Median$110.42half pay less
Highest$447.34in California
Lowest saves$105.41vs the median

Hospitals in California, cheapest first

HospitalCash price List priceFile date
Stanford Health Care Tri-Valley lowest Pleasanton · San Francisco-Oakland-Fremont, CA Ptt Inhibitor Scr-85730 $5.01 $12.53 Apr 1, 2026
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Watsonville Community Hospital Watsonville · Santa Cruz-Watsonville, CA Q19872 THROMBOPLAST $5.06 $8.44 Sep 15, 2026
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UCI Health - Fountain Valley Orange · Los Angeles-Long Beach-Anaheim, CA PTT $5.94 $14.85 Apr 1, 2026
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Centinela Hospital Medical Center Inglewood · Los Angeles-Long Beach-Anaheim, CA PTT $6.00 $244.00 Sep 1, 2026
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Chino Valley Medical Center Chino · Riverside-San Bernardino-Ontario, CA Hc Thromboplas Time Partial $6.00 $249.12 Sep 1, 2026
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Desert Valley Hospital Victorville · Riverside-San Bernardino-Ontario, CA PTT PARTIAL THROMBOPLASTIN $6.00 $225.00 Sep 1, 2026
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Encino Hospital Medical Center Encino · Los Angeles-Long Beach-Anaheim, CA PTT LC $6.00 $28.00 Sep 1, 2026
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La Palma Intercommunity Hospital La Palma · Los Angeles-Long Beach-Anaheim, CA Hc Thromboplas Time Partial $6.00 $305.91 Sep 1, 2026
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Montclair Hospital Medical Center Montclair · Riverside-San Bernardino-Ontario, CA Hc Thromboplas Time Partial $6.00 $249.12 Sep 1, 2026
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Paradise Valley Hospital National City · San Diego-Chula Vista-Carlsbad, CA PN LUP ANT PROF, PTT LC1 $6.00 $34.71 Sep 1, 2026
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Shasta Regional Medical Center Redding · Redding, CA PTT LC $6.00 $14.12 Sep 1, 2026
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Sherman Oaks Hospital Sherman Oaks · Los Angeles-Long Beach-Anaheim, CA PN LUP ANT PROF, PTT LC1 $6.00 $13.75 Sep 1, 2026
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Cedars-Sinai Marina Hospital Marina del Rey · Los Angeles-Long Beach-Anaheim, CA Laboratory Services $6.59 $10.14 Nov 26, 2025
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El Camino Hospital Mountain View · San Jose-Sunnyvale-Santa Clara, CA HC 31102493 LABACLPTT THROMBOPLASTIN PTT *5 $7.09 $28.35 Apr 1, 2026
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Grossmont Hospital Corporation La Mesa · San Diego-Chula Vista-Carlsbad, CA HC PARTIAL THROMBOPLASTIN TIME $8.53 $11.37 —
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Sharp Chula Vista Medical Center Chula Vista · San Diego-Chula Vista-Carlsbad, CA HC PARTIAL THROMBOPLASTIN TIME $8.53 $11.37 —
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Sharp Coronado Hospital and Healthcare Center Coronado · San Diego-Chula Vista-Carlsbad, CA HC PARTIAL THROMBOPLASTIN TIME $8.53 $11.37 —
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Sharp Memorial Hospital San Diego · San Diego-Chula Vista-Carlsbad, CA HC PARTIAL THROMBOPLASTIN TIME $8.53 $11.37 —
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Banner Lassen Medical Center Susanville · Susanville, CA LAB PTT PLASMA/BLD WHL $11.32 $19.00 Feb 12, 2026
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Northbay Medical Center Fairfield · Vallejo, CA Ptt-La W/Rflx To Hex Phs Conf $15.00 $15.00 Apr 1, 2026
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Providence Health System - Southern California Santa Monica · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $21.00 $60.00 Apr 1, 2026
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Mission Hospital Regional Med Center Mission Viejo · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $21.60 $45.00 Apr 1, 2026
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St Joseph Hospital of Orange Orange · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $21.60 $45.00 Apr 1, 2026
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St Jude Hospital Inc Fullerton · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $21.60 $45.00 Apr 1, 2026
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St Mary Medical Center Apple Valley · Riverside-San Bernardino-Ontario, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $21.60 $45.00 Apr 1, 2026
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NorCal HealthConnect LLC Petaluma · Santa Rosa-Petaluma, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $22.95 $45.00 Apr 1, 2026
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St Joseph Health Northern California LLC Napa · Napa, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $22.95 $45.00 Apr 1, 2026
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St Joseph Health Northern California LLC Fortuna · Eureka-Arcata, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $22.95 $45.00 Apr 1, 2026
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St Joseph Health Northern California LLC Santa Rosa · Santa Rosa-Petaluma, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $22.95 $45.00 Apr 1, 2026
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St Joseph Health Northern California LLC Eureka · Eureka-Arcata, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD CDM $22.95 $45.00 Apr 1, 2026
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Providence Health System - Southern California Burbank · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $25.90 $74.00 Apr 1, 2026
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Hayward Sisters Hospital Hayward · San Francisco-Oakland-Fremont, CA THROMBOPLASTINTIMEPART(PTT) $30.87 $102.90 Feb 23, 2026
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Providence Health System - Southern California San Pedro · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL $33.60 $96.00 Apr 1, 2026
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Providence Health System - Southern California Torrance · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL $33.60 $96.00 Apr 1, 2026
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UCI Health - Los Alamitos Orange · Los Angeles-Long Beach-Anaheim, CA PTT $37.60 $94.00 Apr 1, 2026
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UCI Health - Placentia Linda Orange · Los Angeles-Long Beach-Anaheim, CA PTT/2 $37.60 $94.00 Apr 1, 2026
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NorCal HealthConnect LLC Healdsburg · Santa Rosa-Petaluma, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $37.74 $74.00 Apr 1, 2026
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Rady Children's Hospital - San Diego San Diego · San Diego-Chula Vista-Carlsbad, CA Scripps Nicu-Aptt $39.00 $52.00 Apr 1, 2026
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Providence Health System - Southern California Mission Hills · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD LAB $43.40 $124.00 Apr 1, 2026
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Ridgecrest Regional Hospital Ridgecrest · Bakersfield-Delano, CA Thromboplastin time partial $48.80 $92.08 Sep 11, 2026
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Hoag Memorial Hospital Presbyterian Newport Beach · Los Angeles-Long Beach-Anaheim, CA HC Thromboplastin Time Partial $61.11 $94.01 Apr 1, 2026
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UC San Diego Medical Center San Diego · San Diego-Chula Vista-Carlsbad, CA Coagulation Assessment Blood Test $62.15 $113.00 Apr 1, 2026
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Shriners Childrens - Northern California Sacramento · Sacramento-Roseville-Folsom, CA COAGULATION ASSESSMENT BLOOD TEST; PLASMA OR WHOLE BLOOD $62.50 $62.50 —
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Loma Linda University Behavioral Medicine Center Redlands · Riverside-San Bernardino-Ontario, CA HC SLOW ACTIVATION $72.90 $162.00 Aug 31, 2026
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Loma Linda University Childrens Hospital Loma Linda · Riverside-San Bernardino-Ontario, CA HC SLOW ACTIVATION $72.90 $162.00 Sep 2, 2026
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Loma Linda University Medical Center Loma Linda · Riverside-San Bernardino-Ontario, CA HC SLOW ACTIVATION $72.90 $162.00 Sep 2, 2026
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Loma Linda University Medical Center - Murrieta Murrieta · Riverside-San Bernardino-Ontario, CA HC SLOW ACTIVATION $72.90 $162.00 Sep 2, 2026
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Palo Verde Hospital Blythe · Riverside-San Bernardino-Ontario, CA PTT, Activated $81.00 $108.00 Jul 1, 2026
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Fresno Community Hospital and Medical Center Fresno · Fresno, CA PARTIAL THROMBOPLASTIN $92.13 $115.16 Jun 16, 2026
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Fresno Community Hospital and Medical Center Clovis · Fresno, CA PARTIAL THROMBOPLASTIN $92.13 $115.16 Jun 15, 2026
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USC Arcadia Hospital Arcadia · Los Angeles-Long Beach-Anaheim, CA LUPUS ANTICOAGULANT PANEL $95.55 $273.00 Jul 27, 2026
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Tarzana Medical Center LLC Tarzana · Los Angeles-Long Beach-Anaheim, CA HC THROMBOPLASTIN TIME PARTIAL $109.55 $313.00 Apr 1, 2026
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Kaiser Foundation Hospital - Baldwin Park Baldwin Park · Los Angeles-Long Beach-Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Downey Downey · Los Angeles-Long Beach-Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Fontana Fontana · Riverside-San Bernardino-Ontario, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Los Angeles Los Angeles · Los Angeles-Long Beach-Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Moreno Valley Moreno Valley · Moreno Valley, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Ontario Ontario · Ontario, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Orange County - Anaheim Anaheim · Los Angeles-Long Beach-Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Orange County - Irvine Irvine · Los Angeles-Long Beach-Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Panorama City Panorama City · Los Angeles-Long Beach-Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Riverside Riverside · Riverside-San Bernardino-Ontario, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - San Diego - Clairemont Mesa San Diego · San Diego-Chula Vista-Carlsbad, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - San Diego - Zion San Diego · San Diego-Chula Vista-Carlsbad, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - San Marcos San Marcos · San Diego-Chula Vista-Carlsbad, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - South Bay Harbor City · Los Angeles-Long Beach-Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - West la Los Angeles · Los Angeles, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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Kaiser Foundation Hospital - Woodland Hills Woodland Hills · Los Angeles-Long Beach-Anaheim, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $111.28 $214.00 —
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County of Monterey Salinas · Salinas, CA Coagulation assessment blood test, plasma or whole blood $113.00 $113.00 Aug 14, 2026
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Tahoe Forest Hospital District Truckee · Truckee-Grass Valley, CA Coagulation assessment blood test, plasma or whole blood $126.00 $126.00 Jul 6, 2026
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Tri-City Medical Center Oceanside · San Diego-Chula Vista-Carlsbad, CA Partial Thromboplastin Time $126.68 $211.14 May 29, 2026
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Keck Hospital of USC Los Angeles · Los Angeles-Long Beach-Anaheim, CA Thromboplastin Time Partial Plasma/Whole Blood $135.50 $135.50 Apr 1, 2026
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Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo · Vallejo, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Antioch Antioch · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Fremont Fremont · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Fresno Fresno · Fresno, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Manteca Manteca · Stockton-Lodi, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Modesto Modesto · Modesto, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Oakland/Richmond Oakland · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Redwood City Redwood City · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Richmond Campus Richmond · Richmond, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Roseville Roseville · Sacramento-Roseville-Folsom, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Sacramento Sacramento · Sacramento-Roseville-Folsom, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - San Francisco San Francisco · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - San Jose San Jose · San Jose-Sunnyvale-Santa Clara, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - San Leandro San Leandro · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - San Rafael San Rafael · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Santa Clara Santa Clara · San Jose-Sunnyvale-Santa Clara, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Santa Rosa Santa Rosa · Santa Rosa-Petaluma, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - South Sacramento Sacramento · Sacramento-Roseville-Folsom, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - South San Francisco South San Francisco · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Vacaville Vacaville · Vallejo, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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Kaiser Foundation Hospital - Walnut Creek Walnut Creek · San Francisco-Oakland-Fremont, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $141.68 $253.00 —
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USC Kenneth Norris Jr Cancer Hospital Los Angeles · Los Angeles-Long Beach-Anaheim, CA Thromboplastin Time Partial Plasma/Whole Blood $143.00 $143.00 Apr 1, 2026
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Cedars-Sinai Medical Center Los Angeles · Los Angeles-Long Beach-Anaheim, CA HB LAB PTT ER $158.78 $244.27 Nov 26, 2025
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Madera Community Hospital Madera · Fresno, CA Coagulation assessment blood test, plasma or whole blood $174.60 $291.00 Jul 30, 2026
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San Antonio Regional Hospital Upland · Riverside-San Bernardino-Ontario, CA Coagulation assessment blood test, plasma or whole blood $185.00 $30.00 Apr 2, 2026
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Stanford Health Care Stanford · San Jose-Sunnyvale-Santa Clara, CA HC Pttinh 5 Min Norm Plasma $225.60 $564.00 Apr 1, 2026
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Lucile Salter Packard Children's Hospital at Stanford Palo Alto · San Jose-Sunnyvale-Santa Clara, CA HC Ptt Inh 5 Min Pt $231.50 $463.00 Mar 31, 2026
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Chinese Hospital Association San Francisco · San Francisco-Oakland-Fremont, CA Coagulation assessment blood test, plasma or whole blood $259.00 $259.00 Jul 22, 2026
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UCI Health - Lakewood Orange · Los Angeles-Long Beach-Anaheim, CA PTT $322.00 $805.00 Apr 1, 2026
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USC Verdugo Hills Hospital Glendale · Glendale, CA Thromboplastin Time Partial Plasma/Whole Blood $324.00 $324.00 Apr 1, 2026
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Hospital of Barstow INC Barstow · Riverside-San Bernardino-Ontario, CA Coagulation assessment blood test, plasma or whole blood $388.28 $647.14 Sep 17, 2026
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Riverside University Medical Center Moreno Valley · Riverside-San Bernardino-Ontario, CA HC Ptt Plasma or Whole Blood $447.34 $447.34 —
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Los Angeles-Long Beach-Anaheim, CA 31 $5.94 $43.40
Riverside-San Bernardino-Ontario, CA 14 $6.00 $72.90
San Francisco-Oakland-Fremont, CA 12 $5.01 $141.68
San Diego-Chula Vista-Carlsbad, CA 11 $6.00 $39.00
San Jose-Sunnyvale-Santa Clara, CA 5 $7.09 $141.68
Fresno, CA 4 $92.13 $116.90
Sacramento-Roseville-Folsom, CA 4 $62.50 $141.68
Santa Rosa-Petaluma, CA 4 $22.95 $30.34
Vallejo, CA 3 $15.00 $141.68
Eureka-Arcata, CA 2 $22.95 $22.95
Bakersfield-Delano, CA 1 $48.80 $48.80
Glendale, CA 1 $324.00 $324.00
Los Angeles, CA 1 $111.28 $111.28
Moreno Valley, CA 1 $111.28 $111.28
Modesto, CA 1 $141.68 $141.68
Napa, CA 1 $22.95 $22.95
Ontario, CA 1 $111.28 $111.28
Richmond, CA 1 $141.68 $141.68
Redding, CA 1 $6.00 $6.00
Salinas, CA 1 $113.00 $113.00
Santa Cruz-Watsonville, CA 1 $5.06 $5.06
Stockton-Lodi, CA 1 $141.68 $141.68
Susanville, CA 1 $11.32 $11.32
Truckee-Grass Valley, CA 1 $126.00 $126.00

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.

Partial thromboplastin time (PTT) clotting test in other states

Median cash price across the state's hospitals.