How much does prothrombin time (PT/INR) cost in California?
CPT 85610 — the fair price, every hospital's price, and the Medicare benchmark for California.
Estimates only. Educational estimates from public Medicare
benchmarks and hospital-published prices — not a guarantee, and not legal, medical, or financial advice.
85610 Prothrombin time (PT/INR)
Ask to pay
$9
About 2.0× what Medicare pays — most hospitals accept a self-pay rate in this range.
Typical
$51
Medicare $4
Ask $9
$1 lowboxed = typical rangehigh $606
What Medicare paysⓘ
$4
Typical price near you
$51
Cash / self-pay price
$55
Prices near you — 92 facilities, lowest first
| Facility | Type | Price | vs Medicare | Quality |
|---|---|---|---|---|
| Adventist Health Glendale (Glendale) lowest ⚠ likely error | Hospital | $1cash | 0.1× | ★★★★★ |
| Adventist Health Bakersfield (Bakersfield) ⚠ likely error | Hospital | $1cash | 0.1× | — |
| Adventist Health Simi Valley (Simi Valley) ⚠ likely error | Hospital | $1cash | 0.1× | — |
| Adventist Health White Memorial (Los Angeles) ⚠ likely error | Hospital | $1cash | 0.1× | — |
| Tri-City Medical Center (Oceanside) | Hospital | $2cash | 0.4× | — |
| UCI Medical Center (Orange) | Hospital | $2cash | 0.5× | ★★★★★ |
| Eisenhower Medical Center (Rancho Mirage) | Hospital | $2cash | 0.5× | ★★★★★ |
| Dignity St. John's Regional Medical Center (Oxnard) | Hospital | $3cash | 0.7× | — |
| Centinela Hospital Medical Center (Inglewood) | Hospital | $4cash | 0.9× | — |
| UCLA Santa Monica Medical Center (Santa Monica) | Hospital | $5negotiated | 1.1× | ★★★★★ |
| Ronald Reagan UCLA Medical Center (Los Angeles) | Hospital | $5negotiated | 1.1× | ★★★★★ |
| Pomona Valley Hospital Medical Center (Pomona) | Hospital | $5cash | 1.1× | ★★★★★ |
| Harbor-UCLA Medical Center (Torrance) | Hospital | $6negotiated | 1.5× | — |
| Los Angeles General Medical Center (Los Angeles) | Hospital | $6negotiated | 1.5× | ★★★★★ |
| Providence Little Company of Mary Torrance (Torrance) | Hospital | $6cash | 1.5× | ★★★★★ |
| Sharp Chula Vista Medical Center (Chula Vista) | Hospital | $9cash | 2.0× | — |
| Sharp Memorial Hospital (San Diego) | Hospital | $9cash | 2.0× | ★★★★★ |
| Sharp Grossmont Hospital (La Mesa) | Hospital | $9cash | 2.0× | ★★★★★ |
| USC Arcadia Hospital (Arcadia) | Hospital | $15cash | 3.6× | — |
| MemorialCare Long Beach Medical Center (Long Beach) | Hospital | $18cash | 4.2× | ★★★★★ |
| MemorialCare Saddleback Medical Center (Laguna Hills) | Hospital | $18cash | 4.2× | ★★★★★ |
| MemorialCare Orange Coast Medical Center (Fountain Valley) | Hospital | $18cash | 4.2× | — |
| John Muir Health Walnut Creek Medical Center (Walnut Creek) | Hospital | $23cash | 5.4× | ★★★★★ |
| John Muir Health Concord Medical Center (Concord) | Hospital | $23cash | 5.4× | — |
| Scripps Memorial Hospital La Jolla (La Jolla) | Hospital | $26cash | 6.0× | ★★★★★ |
| Los Robles Health System (Thousand Oaks) | Hospital | $26cash | 6.0× | — |
| Scripps Memorial Hospital Encinitas (Encinitas) | Hospital | $26cash | 6.0× | ★★★★★ |
| Scripps Green Hospital (La Jolla) | Hospital | $26cash | 6.0× | ★★★★★ |
| Scripps Mercy Hospital San Diego (San Diego) | Hospital | $26cash | 6.0× | ★★★★★ |
| Scripps Mercy Hospital Chula Vista (Chula Vista) | Hospital | $26cash | 6.0× | — |
| UC Davis Medical Center (Sacramento) | Hospital | $27cash | 6.4× | ★★★★★ |
| UCI Health – Placentia Linda (Placentia) | Hospital | $29cash | 6.8× | — |
| UCI Health – Los Alamitos (Los Alamitos) | Hospital | $29cash | 6.8× | — |
| UCI Health – Fountain Valley (Fountain Valley) | Hospital | $29cash | 6.8× | — |
| Dignity Mercy General Hospital (Sacramento) | Hospital | $32cash | 7.5× | ★★★★★ |
| Providence St. Mary Medical Center (Apple Valley) | Hospital | $33cash | 7.8× | — |
| Providence St. Jude Medical Center (Fullerton) | Hospital | $33cash | 7.8× | ★★★★★ |
| Providence St. Joseph Hospital (Orange) | Hospital | $33cash | 7.8× | ★★★★★ |
| Providence Mission Hospital (Mission Viejo) | Hospital | $33cash | 7.8× | ★★★★★ |
| Providence Santa Rosa Memorial Hospital (Santa Rosa) | Hospital | $36cash | 8.3× | — |
| Providence Queen of the Valley Medical Center (Napa) | Hospital | $36cash | 8.3× | — |
| Good Samaritan Hospital (San Jose) | Hospital | $38cash | 8.9× | — |
| Dignity Mercy San Juan Medical Center (Carmichael) | Hospital | $40cash | 9.4× | — |
| UCSF Medical Center (San Francisco) | Hospital | $44cash | 10.3× | ★★★★★ |
| Dignity Dominican Hospital (Santa Cruz) | Hospital | $45cash | 10.5× | — |
| UC San Diego Health - Hillcrest & Jacobs Medical Center (San Diego) | Hospital | $51cash | 11.8× | — |
| Hoag Memorial Hospital Presbyterian (Newport Beach) | Hospital | $51cash | 11.9× | ★★★★★ |
| Loma Linda University Medical Center (Loma Linda) | Hospital | $55cash | 12.8× | ★★★★★ |
| Loma Linda University Medical Center – Murrieta (Murrieta) | Hospital | $55cash | 12.8× | — |
| Dignity St. Mary Medical Center (Long Beach) | Hospital | $55cash | 12.9× | — |
| Highland Hospital – Alameda Health System (Oakland) | Hospital | $62cash | 14.5× | — |
| Clovis Community Medical Center (Clovis) | Hospital | $72cash | 16.8× | — |
| Dignity Mercy Medical Center Redding (Redding) | Hospital | $76cash | 17.6× | — |
| Kaweah Health Medical Center (Visalia) | Hospital | $77cash | 17.9× | — |
| Dignity Glendale Memorial Hospital (Glendale) | Hospital | $85cash | 19.9× | — |
| Kaiser Permanente Sacramento Medical Center (Sacramento) | Hospital | $90cash | 20.9× | ★★★★★ |
| Kaiser Permanente Fresno Medical Center (Fresno) | Hospital | $90cash | 20.9× | — |
| Kaiser Permanente San Francisco Medical Center (San Francisco) | Hospital | $90cash | 20.9× | ★★★★★ |
| Providence Saint Joseph Medical Center (Burbank) | Hospital | $90cash | 21.0× | — |
| Community Regional Medical Center (Fresno) | Hospital | $92cash | 21.4× | — |
| Natividad Medical Center (Salinas) | Hospital | $92cash | 21.4× | — |
| Kaiser Permanente Fontana Medical Center (Fontana) | Hospital | $95cash | 22.2× | — |
| Kaiser Permanente San Diego Zion Medical Center (San Diego) | Hospital | $95cash | 22.2× | ★★★★★ |
| Kaiser Permanente Los Angeles Medical Center (Los Angeles) | Hospital | $95cash | 22.2× | ★★★★★ |
| Sharp Coronado Hospital (Coronado) | Hospital | $95cash | 22.2× | ★★★★★ |
| Providence Holy Cross Medical Center (Mission Hills) | Hospital | $99cash | 23.0× | — |
| Dignity Bakersfield Memorial Hospital (Bakersfield) | Hospital | $112cash | 26.2× | — |
| Dignity Northridge Hospital Medical Center (Northridge) | Hospital | $112cash | 26.2× | ★★★★★ |
| Dignity California Hospital Medical Center (Los Angeles) | Hospital | $113cash | 26.5× | — |
| Dignity St. Bernardine Medical Center (San Bernardino) | Hospital | $115cash | 26.8× | — |
| Rady Children's Hospital (San Diego) | Hospital | $124cash | 28.8× | — |
| Stanford Health Care Tri-Valley (Pleasanton) | Hospital | $142cash | 33.1× | — |
| Cedars-Sinai Medical Center (Los Angeles) | Hospital | $153cash | 35.6× | ★★★★★ |
| Sutter Mills-Peninsula Medical Center (Burlingame) | Hospital | $158cash | 36.8× | ★★★★★ |
| Sutter Medical Center Sacramento (Sacramento) | Hospital | $158cash | 36.8× | ★★★★★ |
| Sutter Memorial Medical Center (Modesto) | Hospital | $158cash | 36.8× | — |
| Sutter Santa Rosa Regional Hospital (Santa Rosa) | Hospital | $158cash | 36.8× | — |
| Sutter CPMC Van Ness Campus (San Francisco) | Hospital | $158cash | 36.8× | — |
| Sutter Eden Medical Center (Castro Valley) | Hospital | $158cash | 36.8× | — |
| Sutter Alta Bates Summit Medical Center (Oakland) | Hospital | $158cash | 36.8× | — |
| Sutter Roseville Medical Center (Roseville) | Hospital | $158cash | 36.8× | ★★★★★ |
| Dignity St. Joseph's Medical Center (Stockton) | Hospital | $161cash | 37.5× | — |
| Stanford Health Care (Stanford) | Hospital | $164cash | 38.2× | ★★★★★ |
| Dignity Sequoia Hospital (Redwood City) | Hospital | $166cash | 38.7× | ★★★★★ |
| Providence Cedars-Sinai Tarzana Medical Center (Tarzana) | Hospital | $179cash | 41.8× | ★★★★★ |
| Lucile Packard Children's Hospital Stanford (Palo Alto) | Hospital | $205cash | 47.8× | — |
| Keck Hospital of USC (Los Angeles) | Hospital | $215cash | 50.1× | ★★★★★ |
| UCI Health – Lakewood (Lakewood) gross charge | Hospital | $288cash | 67.0× | — |
| Riverside University Health System Medical Center (Moreno Valley) gross charge | Hospital | $298cash | 69.4× | — |
| Desert Regional Medical Center (Palm Springs) gross charge | Hospital | $448cash | 104.4× | — |
| JFK Memorial Hospital (Indio) gross charge | Hospital | $502cash | 117.1× | — |
| Riverside Community Hospital (Riverside) gross charge | Hospital | $606cash | 141.4× | — |
Prices from each hospital's public machine-readable file; imaging & surgery-center prices are published self-pay rates (often the cheapest option). vs Medicare is how many times the Medicare rate each facility charges. 9 unusually low/high prices excluded from the typical price as likely data errors.
💬 What to say — negotiation scripts
- For 85610 (Prothrombin time (PT/INR)), Medicare's benchmark rate is $4.29. A fair self-pay target for this line is $8.58. If I was charged more than that, please reduce it toward this benchmark.
- Your own published cash / self-pay price for 85610 is $54.90, and negotiated rates at nearby facilities run $23.15–$114.54. Please apply a rate in that range to my bill rather than the gross charge.
- Please send a fully itemized bill listing every CPT/HCPCS/DRG code and its individual charge, so I can review each line against published rates.
- Separately, what is your financial assistance / charity care policy, and am I eligible? Please send me the application and the income thresholds.
See prothrombin time (PT/INR) prices in another area
What should 85610 cost in California?
For prothrombin time (PT/INR) (CPT 85610) in California, a fair self-pay price is around $51, with hospitals ranging from $23 to $115 across 92 facilities. Medicare's benchmark rate is $4, the floor to negotiate toward. The card above lists each hospital's price, cheapest first, with CMS quality stars.
Frequently asked questions
How much does prothrombin time (PT/INR) cost in California?
A fair self-pay price for prothrombin time (PT/INR) (CPT 85610) in California is around $51, with hospital prices ranging from $23 to $115 across 92 facilities. These are estimates from hospital-published prices, not a guarantee.
What is the Medicare rate for CPT 85610?
Medicare pays about $4 for prothrombin time (PT/INR) (CPT 85610). That's the negotiation floor — a fair cash-pay target is roughly 1.5–2× it, well below typical gross charges.
Can I negotiate the price of prothrombin time (PT/INR)?
Yes. Under the federal Hospital Price Transparency rule hospitals must publish these rates, so you can ask to pay the cash or negotiated rate instead of the gross charge. Paste your bill on the home page for a ready-to-send appeal letter and the exact numbers to cite.
Got a bill for this?
If you were charged more than the fair price, you can usually negotiate it down. Paste your itemized bill to get a personalized appeal letter, the exact numbers to cite, an AI negotiation coach, and a charity-care eligibility check — free.
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Prices last refreshed September 2026 from each hospital's official CMS machine-readable file. Medicare rate: CY2025 OPPS/PFS/CLFS. Estimates only — not a guarantee.