Partial thromboplastin time (PTT) clotting test in San Diego-Chula Vista-Carlsbad, CA
In San Diego-Chula Vista-Carlsbad, CA, 10 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $6.00 to $150.00, with a median of $88.50. The lowest listed price is at Paradise Valley Hospital.
Cash prices at 10 facilities across 7 cities for code 85730, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Sep 1, 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 San Diego-Chula Vista-Carlsbad, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Paradise Valley Hospital lowest National City, CA PN LUP ANT PROF, PTT LC1 | $6.00 | $34.71 | 83% | Sep 1, 2026 source file |
| Paradise Valley Hospital National City, CA PTT, SMH | $6.00 | $48.00 | 88% | Sep 1, 2026 source file |
| Paradise Valley Hospital National City, CA PTT - 85730 - 1703594 | $6.00 | $15.00 | 60% | Sep 1, 2026 source file |
| Paradise Valley Hospital National City, CA PTT - 85730 - 1350974 | $6.00 | $144.38 | 96% | Sep 1, 2026 source file |
| Grossmont Hospital Corporation La Mesa, CA HC PARTIAL THROMBOPLASTIN TIME | $8.53 | $11.37 | 25% | — source file |
| Sharp Memorial Hospital San Diego, CA HC PARTIAL THROMBOPLASTIN TIME | $8.53 | $11.37 | 25% | — source file |
| Sharp Chula Vista Medical Center Chula Vista, CA HC PARTIAL THROMBOPLASTIN TIME | $8.53 | $11.37 | 25% | — source file |
| Sharp Coronado Hospital and Healthcare Center Coronado, CA HC PARTIAL THROMBOPLASTIN TIME | $8.53 | $11.37 | 25% | — source file |
| Rady Children's Hospital - San Diego San Diego, CA Scripps Nicu-Aptt | $39.00 | $52.00 | 25% | Apr 1, 2026 source file |
| Rady Children's Hospital - San Diego San Diego, CA Rch Scrmer Hc-Lupus Anticoagulant.Ptt-A | $88.50 | $118.00 | 25% | Apr 1, 2026 source file |
| Rady Children's Hospital - San Diego San Diego, CA Scripps Nicu-Lupus Anticoagulant.Ptt-A | $88.50 | $118.00 | 25% | Apr 1, 2026 source file |
| Rady Children's Hospital - San Diego San Diego, CA Rch Scrmer Cv-Lupus Anticoagulant.Ptt-A | $88.50 | $118.00 | 25% | Apr 1, 2026 source file |
| Rady Children's Hospital - San Diego San Diego, CA Rch Ptt | $88.50 | $118.00 | 25% | Apr 1, 2026 source file |
| Rady Children's Hospital - San Diego San Diego, CA Rsp Ptt Thromboplastin Time | $88.50 | $118.00 | 25% | Apr 1, 2026 source file |
| Rady Children's Hospital - San Diego San Diego, CA Rsp Ptt Mixed Partl Thrombo Time | $88.50 | $118.00 | 25% | Apr 1, 2026 source file |
| Rady Children's Hospital - San Diego San Diego, CA Rsp Aptt-Activated Partial | $88.50 | $118.00 | 25% | Apr 1, 2026 source file |
| Sharp Coronado Hospital and Healthcare Center Coronado, CA HC PTT | $96.75 | $129.00 | 25% | — source file |
| Sharp Memorial Hospital San Diego, CA HC PTT | $96.75 | $129.00 | 25% | — source file |
| Sharp Chula Vista Medical Center Chula Vista, CA HC PTT | $96.75 | $129.00 | 25% | — source file |
| Grossmont Hospital Corporation La Mesa, CA HC PTT | $96.75 | $129.00 | 25% | — source file |
| Kaiser Foundation Hospital - San Marcos San Marcos, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - San Diego - Zion San Diego, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Kaiser Foundation Hospital - San Diego - Clairemont Mesa San Diego, CA THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD | $111.28 | $214.00 | 48% | — source file |
| Tri-City Medical Center Oceanside, CA Partial Thromboplastin Time | $126.68 | $211.14 | 40% | May 29, 2026 source file |
| Tri-City Medical Center Oceanside, CA Activated PTT | $126.68 | $211.14 | 40% | May 29, 2026 source file |
| Rady Children's Hospital - San Diego San Diego, CA Rch Lab-Activated Ptt | $150.00 | $200.00 | 25% | Apr 1, 2026 source file |
Outpatient: lowest $6.00, median $88.50, highest $150.00 — a 25.0× difference within the same market.
As an inpatient, the same code is billed by 9 facilities here, median $88.50. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
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.
1 row held back from this comparison
It is 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.
| Tri-City Medical Center Oceanside, CAPTT LC | $2.48 | file |