Thromboplastin time partial (ptt) substitution fractions each at St. Elizabeth Community Hospital

2550 Sister Mary Columba Dr, Red Bluff, CA · CommonSpirit Health · · NPI 1083732853

Source: hospital's published price file ↗ · Published Feb 28, 2026 · Ingested Sep 10, 2026

$8.25

Cash price

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Discounted cash price

What a hospital charges a self-pay patient who pays directly, without going through insurance — usually well below the gross charge.

Example: A CT scan has a $3,200 gross charge but an $850 discounted cash price. Ask for it by name when scheduling — hospitals don't always advertise it up front.

Full explanation →

What you pay up front if you don't use insurance.

$14.12

Gross charge

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Gross charge (chargemaster price)

The hospital's full, undiscounted list price — pulled from its internal "chargemaster" price list. Almost no one actually pays this.

Example: A chest X-ray has a gross charge of $1,450. The same hospital's discounted cash price for the same X-ray is $180 — the gross charge mostly anchors negotiations, not what patients pay.

Full explanation →

The hospital's undiscounted list price — almost no one pays this.

$4.76 with BCBS - Anthem vs $9.70 with BCBS - Anthem — same scan, same building. Share

Negotiated rates by payer
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Negotiated rate

The price a specific insurance plan agreed to pay the hospital for a service — it varies by insurer, and even by plan within the same insurer.

Example: The same knee MRI has a negotiated rate of $904 with one insurer's PPO plan and $1,509 with another's — identical hospital, identical scan.

Full explanation →

Payer
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Payer

The insurance company footing the bill — Aetna, UnitedHealthcare, Medicare, and so on.

Example: "Blue Cross Blue Shield" is the payer. Its negotiated rate for an MRI might be $904, while a different payer's negotiated rate for the same scan is $1,509.

Full explanation →
Plan
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Plan

The specific product an insurer sells — e.g. "Blue Cross PPO 500" — which sets your deductible, coinsurance and negotiated rates.

Example: Two people both insured by Aetna can owe very different amounts for the same MRI: $50 with an HMO plan's flat copay, or the full $1,200 toward a high-deductible PPO plan's unmet deductible.

Full explanation →
Negotiated rate vs. cash
BCBS - Anthem Commercial|Exchange $4.76 ↓ -42%
Blue Shield CA Commercial|Exchange $5.44 ↓ -34%
Partnership Health Plan Medicaid|All Plans $5.75 ↓ -30%
BCBS - Anthem Commercial|All Other Plans $5.82 ↓ -29%
Blue Shield CA Medicare|All Plans $6.47 ↓ -22%
Aetna Medicare|All Plans $6.47 ↓ -22%
BCBS - Anthem Medicare|All Plans $6.47 ↓ -22%
Health Net Medicare|All Plans $6.47 ↓ -22%
Humana Medicare|All Plans $6.47 ↓ -22%
Kaiser Medicare|All Plans $6.47 ↓ -22%
United Medicare|All Plans $6.47 ↓ -22%
Aetna Commercial|HMO $6.79 ↓ -18%
Aetna Commercial|PPO $6.79 ↓ -18%
Aetna Commercial|All Other Plans $6.79 ↓ -18%
Cigna Commercial|All Other Plans $7.09 ↓ -14%
Cigna Commercial|PPO $7.09 ↓ -14%
Blue Shield CA Commercial|All Other Plans $7.09 ↓ -14%
United Commercial|All Other Plans $8.73 ↑ +6%
United Commercial|HMO $9.03 ↑ +9%
Health Net Commercial|All Plans $9.51 ↑ +15%
Coventry Commercial|All Plans $9.51 ↑ +15%
MultiPlan Commercial|All Plans $9.51 ↑ +15%
California Health & Wellness Medicaid|All Plans $9.70 ↑ +18%
BCBS - Anthem Medicaid|All Plans $9.70 ↑ +18%

Visitor-reported prices

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Thromboplastin time partial (ptt) substitution fractions each at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $8.50 $3.82 – $17.19
Petaluma Valley Hospital Petaluma $35.02 $6.34 – $52.81
Arroyo Grande Hospital Santa Maria $77.79 $4.85 – $16.69
Mark Twain Medical Center San Andreas $57.95 $5.26 – $9.51
French Hospital San Luis Obispo $71.25 $2.62 – $19.62
Mercy Hospitals – Bakersfield Bakersfield $132.82 $4.00 – $18.61
Bakersfield Memorial Hospital Bakersfield $131.39 $4.00 – $18.61
Queen of The Valley Medical Center Napa $35.02 $6.47 – $66.74

All California hospitals for this procedure →