Partial thromboplastin time (PTT) clotting test in Detroit-Warren-Dearborn, MI — inpatient
In Detroit-Warren-Dearborn, MI, 14 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $4.98 to $185.25, with a median of $12.88. The lowest listed price is at Henry Ford Health.
Cash prices at 14 facilities across 10 cities for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 6, 2026 and Sep 2, 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 Detroit-Warren-Dearborn, MI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Henry Ford Health lowest East China Township, MI PTT LUPUS PANEL | $4.98 | $8.90 | 44% | — source file |
| Henry Ford Health Detroit, MI PTT LUPUS PANEL | $4.98 | $8.90 | 44% | — source file |
| Henry Ford Health Warren, MI PTT LUPUS PANEL | $4.98 | $8.90 | 44% | — source file |
| Henry Ford Health East China Township, MI THROMBOPLSTN TIME, PAR(PTT)-LC | $7.28 | $13.00 | 44% | — source file |
| Henry Ford Health Detroit, MI THROMBOPLSTN TIME, PAR(PTT)-LC | $7.28 | $13.00 | 44% | — source file |
| Henry Ford Health Southfield, MI THROMBOPLSTN TIME, PAR(PTT)-LC | $7.84 | $14.00 | 44% | — source file |
| Henry Ford Health Southfield, MI THROMBOPLSTN TIME, PAR(PTT)-LC | $7.84 | $14.00 | 44% | — source file |
| Henry Ford Health Novi, MI THROMBOPLSTN TIME, PAR(PTT)-LC | $7.84 | $14.00 | 44% | — source file |
| Henry Ford Health Warren, MI THROMBOPLSTN TIME, PAR(PTT)-LC | $7.84 | $14.00 | 44% | — source file |
| Henry Ford Health Detroit, MI THROMBOPLASTIN TIME PARTIAL(PT | $12.32 | $22.00 | 44% | — source file |
| Henry Ford Health Detroit, MI THROMBOPLASTIN, PARTIAL(PTT) | $12.32 | $22.00 | 44% | — source file |
| Henry Ford Health Detroit, MI THROMBOPLASTIN TIME PARTL(PT) | $12.32 | $22.00 | 44% | — source file |
| Henry Ford Health Detroit, MI THROMBOPLASTIN,PARTIAL(PTT) | $12.32 | $22.00 | 44% | — source file |
| Henry Ford Health Novi, MI ANTICOAGULATED ACTIVATED PTT | $12.88 | $23.00 | 44% | — source file |
| Henry Ford Health Novi, MI THROMBOPLASTIN TIME; PARTIAL | $12.88 | $23.00 | 44% | — source file |
| Henry Ford Health Southfield, MI THROMBOPLASTIN TIME; PARTIAL | $12.88 | $23.00 | 44% | — source file |
| Henry Ford Health Southfield, MI ANTICOAGULATED ACTIVATED PTT | $12.88 | $23.00 | 44% | — source file |
| Henry Ford Health Southfield, MI THROMBOPLASTIN TIME; PARTIAL | $12.88 | $23.00 | 44% | — source file |
| Henry Ford Health Southfield, MI ANTICOAGULATED ACTIVATED PTT | $12.88 | $23.00 | 44% | — source file |
| Henry Ford Health Novi, MI THROMBOPLASTIN TIME; PARTIAL | $12.88 | $23.00 | 44% | — source file |
| Henry Ford Health Southfield, MI REF-FT 8 PTT | $13.44 | $24.00 | 44% | — source file |
| Henry Ford Health Novi, MI REF-FT 8 PTT | $13.44 | $24.00 | 44% | — source file |
| Henry Ford Health Novi, MI REF-FT 8 PTT | $13.44 | $24.00 | 44% | — source file |
| Henry Ford Health Southfield, MI REF-FT 8 PTT | $13.44 | $24.00 | 44% | — source file |
| Henry Ford Health East China Township, MI THROMBOPLASTIN TIME-MIXING | $14.17 | $25.31 | 44% | — source file |
| Henry Ford Health East China Township, MI THROMBOPLASTIN TIME,PARTIAL | $14.17 | $25.31 | 44% | — source file |
| Henry Ford Health Warren, MI THROMBOPLASTIN TIME-MIXING | $15.68 | $28.00 | 44% | — source file |
| Henry Ford Health Warren, MI THROMBOPLASTIN TIME,PARTIAL | $15.68 | $28.00 | 44% | — source file |
| Henry Ford Health Detroit, MI THROMBOPLASTIN TIME PARTIAL | $24.08 | $43.00 | 44% | — source file |
| William Beaumont Hospital Troy, MI Hc Ptt | $31.00 | $31.00 | — | — source file |
| Oakwood Healthcare Inc Wayne, MI Hc Ptt | $31.00 | $31.00 | — | — source file |
| Oakwood Healthcare Inc Taylor, MI Hc Ptt | $31.00 | $31.00 | — | — source file |
| Oakwood Healthcare Inc Trenton, MI Hc Ptt | $31.00 | $31.00 | — | — source file |
| William Beaumont Hospital Grosse Pointe, MI Hc Ptt | $31.00 | $31.00 | — | — source file |
| VHS Childrens Hospital of Michigan Inc Detroit, MI PTT | $69.00 | $92.00 | 25% | Apr 6, 2026 source file |
| VHS Rehabilitation Institute of Michigan Inc Detroit, MI PTT | $135.75 | $181.00 | 25% | Apr 8, 2026 source file |
| VHS Detroit Receiving Hospital Inc Detroit, MI PTT | $178.50 | $238.00 | 25% | Apr 7, 2026 source file |
| Vhs Harper-Hutzel Hospital INC Detroit, MI PTT | $185.25 | $247.00 | 25% | Aug 20, 2026 source file |
| Vhs Harper-Hutzel Hospital INC Detroit, MI PTT | $185.25 | $247.00 | 25% | Sep 2, 2026 source file |
Inpatient: lowest $4.98, median $12.88, highest $185.25 — a 37.2× difference within the same market.
As an outpatient, the same code is billed by 23 facilities here, median $13.44 — 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.
4 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.
| Henry Ford Health Detroit, MITHROMBOPLASTIN TIME,PARTIALPTT | $4.20 | file |
| Henry Ford Health Detroit, MIPTT HEPARIN NEUTRALIZATION | $4.65 | file |
| Henry Ford Health East China Township, MIPTT HEPARIN NEUTRALIZATION | $4.65 | file |
| Henry Ford Health Warren, MIPTT HEPARIN NEUTRALIZATION | $4.65 | file |