Infectious agent antigen immunoassay ql/sq multi step helicobacter pylori stool at Corewell Health Royal Oak

3601 W Thirteen Mile Rd, Royal Oak, MI · Corewell Health · · NPI 1689653305

Source: hospital's published price file ↗ · Published May 1, 2026 · Ingested Oct 1, 2026

$37.00

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.

$37.00

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.

$13.37 with Amerihealth vs $25.18 with Priority Health — 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
Amerihealth Three Rivers Medicare Managed Care Plan $13.37 ↓ -64%
Aetna All Commercial Plans $13.66 ↓ -63%
Aetna Medicare Managed Care Plan $14.38 ↓ -61%
BCBS All Commercial Plans $15.02 ↓ -59%
BCBS Exchange $15.02 ↓ -59%
Zing Medicare Managed Care Plan $15.67 ↓ -58%
Molina Healthcare Exchange $18.69 ↓ -49%
Longevity Health Plan of Michigan Medicare Managed Care Plan $19.41 ↓ -48%
Health Alliance Plan Exchange $23.99 ↓ -35%
Health Alliance Plan HMO $23.99 ↓ -35%
Health Alliance Plan AHLIC PPO $23.99 ↓ -35%
Priority Health Exchange $25.18 ↓ -32%
Priority Health HMO/PPO $25.18 ↓ -32%
Priority Health Cigna Other Commercial Plan $25.18 ↓ -32%

Visitor-reported prices

visitor-reported
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Infectious agent antigen immunoassay ql/sq multi step helicobacter pylori stool at other Michigan hospitals

Hospital City Cash price Negotiated range
Corewell Health Lakeland Watervliet Watervliet $73.00 $14.38 – $21.57
Corewell Health Lakeland St. Joseph St Joseph $73.00 $14.38 – $21.57
Henry Ford Hospital Detroit MI 48202 | 19401 Hubbard Dr. $19.84 $4.00 – $41.35
Henry Ford West Bloomfield Hospital West Bloomfield $19.84 $4.00 – $41.35
Henry Ford Wyandotte Hospital: Wyandotte $19.84 $4.00 – $23.44
Henry Ford Macomb Hospital Clinton Twp $19.84 $4.00 – $23.44
Henry Ford St John Hospital Detroit $16.80 $11.72 – $32.05
Henry Ford Rochester Hospital Rochester $20.56 $7.77 – $27.32

All Michigan hospitals for this procedure →