Mayo fibrinogen antigen at SONORA COMMUNITY HOSPITAL

1000 Greenley Rd, Sonora, CA · Adventisthealth · · NPI 1780673376

Source: hospital's published price file ↗ · Published May 23, 2026 · Ingested Sep 16, 2026

$15.47

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.

$91.00

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.

$4.63 with KAISER - ALL PLANS vs $102.42 with BC MCS — 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
KAISER - ALL PLANS KAISER - ALL PLANS $4.63 ↓ -70%
UHC SELECT UHC SELECT $4.75 ↓ -69%
WESTERN GROWERS/PINNACLE - ALL PLANS WESTERN GROWERS/PINNACLE - ALL PLANS $4.90 ↓ -68%
UHC JLL BP UHC JLL BP $5.13 ↓ -67%
UHC - ALL OTHER PLANS UHC - ALL OTHER PLANS $5.40 ↓ -65%
BLUE SHIELD EPN BLUE SHIELD EPN $7.01 ↓ -55%
BLUE SHIELD - ALL OTHER PLANS BLUE SHIELD - ALL OTHER PLANS $7.03 ↓ -55%
TRPN - THREE RIVERS PPO - ALL PLANS TRPN - THREE RIVERS PPO - ALL PLANS $7.40 ↓ -52%
GREATWEST OA/POS/HMO GREATWEST OA/POS/HMO $7.86 ↓ -49%
BEECH STREET- ALL PLANS BEECH STREET- ALL PLANS $7.86 ↓ -49%
UHC PPO UHC PPO $7.95 ↓ -49%
HEALTHNET - ALL OTHER PLANS HEALTHNET - ALL OTHER PLANS $8.10 ↓ -48%
MULTIPLAN - ALL PLANS MULTIPLAN - ALL PLANS $8.33 ↓ -46%
PHCS PPO - ALL PLANS PHCS PPO - ALL PLANS $8.33 ↓ -46%
AFFORDABLE HEALTH - ALL PLANS AFFORDABLE HEALTH - ALL PLANS $8.33 ↓ -46%
GREATWEST PPO - ALL OTHER PLANS GREATWEST PPO - ALL OTHER PLANS $8.33 ↓ -46%
INTERPLAN - ALL PLANS INTERPLAN - ALL PLANS $8.33 ↓ -46%
STANILAUS FOUNDATION - ALL PLANS STANILAUS FOUNDATION - ALL PLANS $8.79 ↓ -43%
CIGNA PPO - ALL PLANS CIGNA PPO - ALL PLANS $8.79 ↓ -43%
MEDI-CAL MEDI-CAL $9.25 ↓ -40%
CELTIC CA HLTH WELL MCAL - ALL PLANS CELTIC CA HLTH WELL MCAL - ALL PLANS $9.25 ↓ -40%
CENTRAL CA ALLIANCE CCS MCAL CENTRAL CA ALLIANCE CCS MCAL $9.25 ↓ -40%
CENTRAL CA ALLIANCE CHDP MCAL CENTRAL CA ALLIANCE CHDP MCAL $9.25 ↓ -40%
CENTRAL CA ALLIANCE MCAL CENTRAL CA ALLIANCE MCAL $9.25 ↓ -40%
HEALTHNET MCAL HEALTHNET MCAL $9.25 ↓ -40%
UHC MCR ADV UHC MCR ADV $14.46 ↓ -7%
HEALTHNET MCR ADV HEALTHNET MCR ADV $14.46 ↓ -7%
TRICARE BLUE SHIELD - ALL PLANS TRICARE BLUE SHIELD - ALL PLANS $14.46 ↓ -7%
AETNA MCR ADV AETNA MCR ADV $14.46 ↓ -7%
PHS PRIME HEALTH SRVCS-ALL PLANS PHS PRIME HEALTH SRVCS-ALL PLANS $14.46 ↓ -7%
BLUE SHIELD MCARE BLUE SHIELD MCARE $14.46 ↓ -7%
AH EMPLOYEE HEALTH PLAN - ALL PLANS AH EMPLOYEE HEALTH PLAN - ALL PLANS $26.03 ↑ +68%
BC EXCHANGE BC EXCHANGE $76.82 ↑ +397%
BC NON-MCS - ALL OTHER PLANS BC NON-MCS - ALL OTHER PLANS $85.35 ↑ +452%
AETNA - ALL OTHER PLANS AETNA - ALL OTHER PLANS $86.22 ↑ +457%
BC MCS BC MCS $102.42 ↑ +562%

Visitor-reported prices

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Mayo fibrinogen antigen at other California hospitals

Hospital City Cash price Negotiated range
Fresno Medical Center FRESNO $87.92 $13.00 – $13.00
Antioch Medical Center ANTIOCH $87.92 $13.00 – $13.00
Redwood City Medical Center Redwood City $87.92 $13.00 – $13.00
Santa Clara Medical Center SANTA CLARA $87.92 $13.00 – $13.00
Baldwin Park Medical Center BALDWIN PARK $76.44 $10.00 – $10.00
Riverside Medical Center RIVERSIDE $76.44 $10.00 – $10.00
Fremont Medical Center FREMONT $87.92 $13.00 – $13.00
Banner Lassen Medical Center Susanville $15.50 $2.89 – $25.22

All California hospitals for this procedure →