Lab tests CPT 85730 Inpatient — admitted to hospital

Partial thromboplastin time (PTT) clotting test in Charlotte-Concord-Gastonia, NC-SC — inpatient

In Charlotte-Concord-Gastonia, NC-SC, 10 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $22.00 to $225.00, with a median of $79.75. The lowest listed price is at Gaston Memorial Hospital.

Cash prices at 10 facilities across 9 cities for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Dec 5, 2025 and Sep 1, 2026.

Lowest$22.00Gaston Memorial Hospital
Median$79.75half pay less
Highest$225.00in this market
Difference10.2×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 Charlotte-Concord-Gastonia, NC-SC.

median
Lowest $22.00Highest $225.00

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Gaston Memorial Hospital lowest Gastonia, NC CHG LC PART THROMBO (PTT) $22.00 $22.00 May 11, 2026
source file
Gaston Memorial Hospital Belmont, NC CHG LC PART THROMBO (PTT) $22.00 $22.00 May 11, 2026
source file
Gaston Memorial Hospital Mount Holly, NC CHG LC PART THROMBO (PTT) $22.00 $22.00 May 11, 2026
source file
MUSC Chester Regional Medical Center Chester, SC HB ACTIVATED PARTIAL THROMBOPLASTIN TIME/PTT $40.50 $81.00 50% Apr 1, 2026
source file
MUSC Lancaster Medical Center Lancaster, SC HB FLUPV PTT (SEND OUT) $60.00 $120.00 50% Apr 1, 2026
source file
MUSC Chester Regional Medical Center Chester, SC HB FLUPV PTT (SEND OUT) $61.50 $123.00 50% Apr 1, 2026
source file
Carolinas Rehabilitation Belmont, NC HC THROMBOPLAS TIME PARTIAL $69.85 $139.70 50% Dec 5, 2025
source file
Carolinas Rehabilitation Charlotte, NC HC THROMBOPLAS TIME PARTIAL $69.85 $139.70 50% Dec 5, 2025
source file
DUKE HEALTH LAKE NORMAN REGIONAL MEDICAL CENTER, INC. Doing Business As: DUKE HEALTH LAKE NORMAN HOSPITAL Mooresville, NC Thromboplastin Time (Aptt) $89.64 $332.00 73%
source file
DUKE HEALTH LAKE NORMAN REGIONAL MEDICAL CENTER, INC. Doing Business As: DUKE HEALTH LAKE NORMAN HOSPITAL Mooresville, NC Thromboplastin Time (Aptt) $89.64 $332.00 73%
source file
Gaston Memorial Hospital Belmont, NC CHG PART THROMBO (PTT) $121.00 $121.00 May 11, 2026
source file
Gaston Memorial Hospital Gastonia, NC CHG PART THROMBO (PTT) $121.00 $121.00 May 11, 2026
source file
Gaston Memorial Hospital Mount Holly, NC CHG PART THROMBO (PTT) $121.00 $121.00 May 11, 2026
source file
MUSC Lancaster Medical Center Lancaster, SC HB ACTIVATED PARTIAL THROMBOPLASTIN TIME/PTT $184.50 $369.00 50% Apr 1, 2026
source file
Amisub of South Carolina, Inc. Rock Hill, SC PTT $225.00 $300.00 25% Sep 1, 2026
source file
Amisub of South Carolina, Inc. Fort Mill, SC PTT $225.00 $300.00 25% Apr 15, 2026
source file

Inpatient: lowest $22.00, median $79.75, highest $225.00 — a 10.2× difference within the same market.

As an outpatient, the same code is billed by 10 facilities here, median $89.64 — 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.