Lab tests CPT 85730 Illinois Outpatient

Partial thromboplastin time (PTT) clotting test cost in Illinois

In Illinois, 64 hospitals publish a cash price for Partial thromboplastin time (PTT) clotting test: from $5.25 to $216.00, with a median of $47.50. The lowest price is at Uchicago Medicine Adventhealth Bolingbrook (Bolingbrook) and 3 other hospitals. The highest price is 41.1× 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 23, 2026.

Lowest$5.25Uchicago Medicine Adventhealth Bolingbrook + 3 more

Median$47.50half pay less

Highest$216.00in Illinois

Lowest saves$42.25vs the median

Hospitals in Illinois, cheapest first

Hospital	Cash price	List price	File date
Uchicago Medicine Adventhealth Bolingbrook lowest Bolingbrook · Chicago-Naperville-Elgin, IL-IN HC APTT - LUPUS ANTICOAGULANT PANEL WITH REFLEX - ARUP	$5.25	$21.00	Apr 1, 2026 source file
Uchicago Medicine Adventhealth Glenoaks lowest Glendale Heights · Chicago-Naperville-Elgin, IL-IN HC APTT	$5.25	$21.00	Apr 1, 2026 source file
Uchicago Medicine Adventhealth Hinsdale lowest Hinsdale · Chicago-Naperville-Elgin, IL-IN HC APTT - LUPUS ANTICOAGULANT PANEL WITH REFLEX - ARUP	$5.25	$21.00	Apr 1, 2026 source file
Uchicago Medicine Adventhealth La Grange lowest La Grange · Chicago-Naperville-Elgin, IL-IN HC APTT - INHIBITOR ASSAY PTT WITH REFLEX (ARUP)	$5.25	$21.00	Apr 1, 2026 source file
Mercy Medical Center Aurora · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$6.00	$167.00	Sep 1, 2026 source file
Saint Francis Hospital Evanston · Chicago-Naperville-Elgin, IL-IN HC THROMBOPLAS TIME PARTIAL	$6.00	$91.00	Sep 1, 2026 source file
Deaconess Illinois Crossroads Inc Mount Vernon · Mount Vernon, IL CHG THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD	$11.55	$33.00	Feb 3, 2026 source file
Deaconess Illinois Union County Hospital Inc Anna · Anna, IL CHG THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD	$11.55	$33.00	Feb 3, 2026 source file
Deaconess Regional Healthcare Services Illinois Inc Marion · Marion-Herrin, IL CHG THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD	$11.55	$33.00	Feb 3, 2026 source file
Trinity Medical Center Rock Island · Davenport-Moline-Rock Island, IA-IL CHG THROMBOPLAS TIME PARTIAL	$15.20	$19.00	Jan 28, 2026 source file
Northwestern Lake Forest Hospital Lake Forest · Chicago-Naperville-Elgin, IL-IN HB Ref Vw Comprehensive Panel, Partial Thromboplastin Time (Q)	$21.70	$31.00	Apr 1, 2026 source file
Riverside Medical Center Kankakee · Kankakee, IL COAGULATION ASSESSMENT BLOOD TEST; PLASMA OR WHOLE BLOOD	$21.83	$82.00	— source file
MercyOne Genesis Aledo Medical Center Aledo · Davenport-Moline-Rock Island, IA-IL GHS MIXING STUDY, PTT (INHIBITOR ASSAY)	$23.40	$39.00	Mar 31, 2026 source file
MercyOne Genesis Silvis Medical Center Silvis · Davenport-Moline-Rock Island, IA-IL GHS MIXING STUDY, PTT (INHIBITOR ASSAY)	$23.40	$39.00	Mar 31, 2026 source file
Gottlieb Memorial Hospital Melrose Park · Chicago-Naperville-Elgin, IL-IN Partial Thromboplastin Ti (Ptt	$24.32	$128.00	Mar 31, 2026 source file
Northern Illinois Medical Center DBA Northwestern Medicine McHenry Hospital McHenry · Chicago-Naperville-Elgin, IL-IN HB Ref Factor VIII Inhibitor Panel, Ptt (Lc)	$28.00	$40.00	Apr 1, 2026 source file
Northwestern Medicine Central DuPage Hospital Winfield · Chicago-Naperville-Elgin, IL-IN HB Ref Factor VIII Inhibitor Panel, Ptt (Lc)	$28.00	$40.00	Apr 1, 2026 source file
Loyola University Medical Center Maywood · Chicago-Naperville-Elgin, IL-IN Silica Screen Ratio (Scts)	$29.44	$128.00	Mar 31, 2026 source file
Presence Chicago Hospitals Network Chicago · Chicago-Naperville-Elgin, IL-IN HC PTT -PARTIAL THROMBOPLASTIN	$30.03	$91.00	— source file
American Healthcare Systems Illinois LLC Granite City · St. Louis, MO-IL THROMBOPLAST TIMEPTT	$35.36	$58.94	— source file
La Rabida Children's Hospital\|LaRabida Childrens Hospital Chicago · Chicago-Naperville-Elgin, IL-IN ACTVD PARTIAL THROMBOPLAS TIME	$39.26	$39.26	Apr 1, 2026 source file
St Anthonys Memorial Hospital of the Hospital Sisters of the Third Order of St Francis Mattoon · Charleston-Mattoon, IL HC PTT	$41.76	$58.00	— source file
Advocate Childrens Hospital Oak Lawn Oak Lawn · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Childrens Hospital Park Ridge Park Ridge · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Christ Medical Center Oak Lawn · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Condell Medical Center Libertyville · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Good Samaritan Hospital Downers Grove · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Good Shepherd Hospital Barrington · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Illinois Masonic Medical Center Chicago · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Lutheran General Hospital Park Ridge · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Sherman Hospital Elgin · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate South Suburban Hospital Hazel Crest · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Advocate Trinity Hospital Chicago · Chicago-Naperville-Elgin, IL-IN PARTIAL THROMBOPLASTIN TIME	$47.50	$95.00	Nov 4, 2025 source file
Northwestern Medicine Kishwaukee Hospital Dekalb · Chicago-Naperville-Elgin, IL-IN HB Ref Vw Panel-Partial Thromboplastin Time	$50.40	$72.00	Apr 1, 2026 source file
Resilience Healthcare Weiss Memorial Hospital LLC Chicago · Chicago-Naperville-Elgin, IL-IN PTT, Activated SO	$50.76	$149.29	Mar 17, 2025 source file
Northwestern Medicine Valley West Hospital Sandwich · Chicago-Naperville-Elgin, IL-IN HB Ref Vw Panel-Partial Thromboplastin Time	$51.10	$73.00	Apr 1, 2026 source file
Shriners Childrens - Chicago Chicago · Chicago-Naperville-Elgin, IL-IN COAGULATION ASSESSMENT BLOOD TEST; PLASMA OR WHOLE BLOOD	$51.50	$51.50	— source file
Northwestern Medicine Marianjoy Rehabilitation Hospital Wheaton · Chicago-Naperville-Elgin, IL-IN HB Partial Thromboplastin Time	$59.50	$85.00	Apr 1, 2026 source file
Palos Community Hospital Palos Heights · Chicago-Naperville-Elgin, IL-IN HB Lupus Anticoagulant Evaluation Panel, Silica Clotting Time Screen	$65.10	$93.00	Apr 1, 2026 source file
Resilience Healthcare West Suburban Medical Center LLC Oak Park · Chicago-Naperville-Elgin, IL-IN Partial Thromboplastin Time	$66.86	$196.64	Mar 17, 2025 source file
Community First Healthcare of Illinois INC Chicago · Chicago-Naperville-Elgin, IL-IN Coagulation assessment blood test, plasma or whole blood	$69.63	$139.25	Apr 1, 2026 source file
Northwestern Medicine Delnor Hospital Geneva · Chicago-Naperville-Elgin, IL-IN HB Ref Antiphospholipid Syndrome (Aps) Profile, Thromboplastin Time Partial (Lc)	$73.50	$105.00	Apr 1, 2026 source file
NorthShore University HealthSystems Evanston Hospital Evanson · Chicago-Naperville-Elgin, IL-IN Heparin Absorbed Aptt*	$74.75	$115.00	— source file
NorthShore University HealthSystems Glenbrook Hospital Glenview · Chicago-Naperville-Elgin, IL-IN Heparin Absorbed Aptt*	$74.75	$115.00	— source file
NorthShore University HealthSystems Highland Park Hospital Highland Park · Chicago-Naperville-Elgin, IL-IN Heparin Absorbed Aptt*	$74.75	$115.00	— source file
NorthShore University HealthSystems Skokie Hospital Skokie · Chicago-Naperville-Elgin, IL-IN Heparin Absorbed Aptt*	$74.75	$115.00	— source file
St Johns Hospital of the Hospital Sisters of the Third Order of St Francis Springfield · Springfield, IL HC PTT	$77.04	$107.00	— source file
St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis O'Fallon · St. Louis, MO-IL THROMBOPLASTIN TIME PARTIAL	$78.48	$109.00	— source file
St Josephs Hospital Hospital Sisters Third Order of St Francis Breese · St. Louis, MO-IL THROMBOPLASTIN TIME PARTIAL	$79.20	$110.00	— source file
Humboldt Park Health North Francisco Chicago · Chicago-Naperville-Elgin, IL-IN Coagulation assessment blood test, plasma or whole blood	$94.67	$338.10	Aug 24, 2026 source file
Hshs Good Shepherd Hospital Inc Shelbyville · Shelbyville, IL HC PTT	$99.36	$138.00	— source file
Edward Hospital Naperville · Chicago-Naperville-Elgin, IL-IN HC PARTIAL THROMBOPLASTIN TIME (PTT)	$100.00	$100.00	Apr 1, 2026 source file
Elmhurst Memorial Hospital Elmhurst · Chicago-Naperville-Elgin, IL-IN HC PARTIAL THROMBOPLASTIN TIME (PTT)	$100.00	$100.00	Apr 1, 2026 source file
St Francis Hospital Sisters of the Third Order of St Francis Litchfield · Litchfield, IL HC PTT	$102.96	$143.00	— source file
Endeavor Health Clinical Operations Evanston · Chicago-Naperville-Elgin, IL-IN HB HEPARIN ABSORBED APTT*	$115.00	$115.00	Apr 1, 2026 source file
Endeavor Health Clinical Operations Highland Park · Chicago-Naperville-Elgin, IL-IN HB HEPARIN ABSORBED APTT*	$115.00	$115.00	Apr 1, 2026 source file
Swedish Covenant Health Chicago · Chicago-Naperville-Elgin, IL-IN HB HEPARIN ABSORBED APTT*	$115.00	$115.00	Apr 1, 2026 source file
Hshs Holy Family Hospital Inc Greenville · St. Louis, MO-IL THROMBOPLASTIN TIME PARTIAL	$120.96	$168.00	— source file
Northwest Community Hospital Arlington Heights · Chicago-Naperville-Elgin, IL-IN Hb Thromboplastin Time, Partial (Ptt) Plasma Or Whole Blood	$121.00	$121.00	Apr 1, 2026 source file
Ann & Robert H. Lurie Children's Hospital of Chicago Chicago · Chicago-Naperville-Elgin, IL-IN H THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD	$124.60	$178.00	— source file
St Marys Hospital Decatur of Hospital Sisters of the Third Order of St Francis Decatur · Decatur, IL HC PTT	$157.68	$219.00	— source file
St Josephs Hospital of the Hospital Sisters of the Third Order of St Francis Highland · St. Louis, MO-IL THROMBOPLASTIN TIME PARTIAL	$164.88	$229.00	— source file
Ingalls Memorial Hospital Harvey · Chicago-Naperville-Elgin, IL-IN Hc Partial Thromboplastin Time (Ptt)	$199.00	$199.00	Apr 1, 2026 source file
The University of Chicago Medical Center Chicago · Chicago-Naperville-Elgin, IL-IN Hc Partial Thromboplastin Time (Ptt) Hepcheck	$216.00	$216.00	Apr 1, 2026 source file

By metro area

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

Metro area	Hospitals	Lowest	Median
Chicago-Naperville-Elgin, IL-IN	47	$5.25	$47.50
St. Louis, MO-IL	5	$35.36	$79.20
Davenport-Moline-Rock Island, IA-IL	3	$15.20	$23.40
Anna, IL	1	$11.55	$11.55
Charleston-Mattoon, IL	1	$41.76	$41.76
Decatur, IL	1	$157.68	$157.68
Kankakee, IL	1	$21.83	$21.83
Litchfield, IL	1	$102.96	$102.96
Marion-Herrin, IL	1	$11.55	$11.55
Mount Vernon, IL	1	$11.55	$11.55
Shelbyville, IL	1	$99.36	$99.36
Springfield, IL	1	$77.04	$77.04

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.