Assay of interleukin-6 (il-6) at RESEARCH MEDICAL CENTER

2316 E Meyer Blvd, Kansas City, MO · Hcamidwest · · NPI 1134187842

Source: hospital's published price file ↗ · Published Mar 1, 2026 · Ingested Sep 17, 2026

$671.84

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.

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

$671.84

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.

$8.76 with Cigna vs $671.84 with Optum 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
Cigna SureFit/LocalPlus $8.76 ↓ -99%
Cigna LocalKC $10.56 ↓ -98%
Cigna Comm $13.14 ↓ -98%
Aetna Coventry FamilyHealthPlanMCD $16.32 ↓ -98%
TriWest Health Alliance TRICARE $16.61 ↓ -98%
BCBS TRICARE $16.61 ↓ -98%
BCBS MCRHMO $17.10 ↓ -97%
BCBS MCRPPO $17.10 ↓ -97%
Coventry MedicareAdvantage $17.10 ↓ -97%
United AllPayerAppendix $17.27 ↓ -97%
Humana MCRHMO $17.27 ↓ -97%
Optum Health MCR $17.27 ↓ -97%
Devoted Health MGMCR $17.27 ↓ -97%
United CommunityCareNetwork $17.27 ↓ -97%
Optum Transplants OONMCR $17.27 ↓ -97%
Humana MCRPPO $17.27 ↓ -97%
Humana PFFS $17.27 ↓ -97%
Cigna HealthspringMGMCR $17.62 ↓ -97%
Wellcare MCR $17.62 ↓ -97%
Celtic MCR $17.62 ↓ -97%
United MGMCR $17.62 ↓ -97%
Pyramid Life MCR $18.48 ↓ -97%
Aetna IVLHIX $23.31 ↓ -97%
Aetna KCCarePlus $24.35 ↓ -96%
Oscar HIX $26.25 ↓ -96%
Aetna Local $32.64 ↓ -95%
Aetna National $40.07 ↓ -94%
Anthem MissouriCare MissouriCareMGMCD $87.34 ↓ -87%
Ambetter Commercial-Exchange $124.96 ↓ -81%
NHC Advantage MGMCR $127.65 ↓ -81%
NHC Advantage MGMCD $127.65 ↓ -81%
WPPA ProviDrs Care Network UnifiedHealthPlan $134.37 ↓ -80%
HealthyBlue MGMCD $134.37 ↓ -80%
Humana ASO $141.76 ↓ -79%
Humana EPO $141.76 ↓ -79%
Humana HMO $141.76 ↓ -79%
BCBS FreedomNetworkSelect $161.24 ↓ -76%
United OptionsPPO $168.63 ↓ -75%
Humana PPO $178.04 ↓ -73%
Humana POS $178.04 ↓ -73%
Aetna Better Health MCD $201.55 ↓ -70%
BCBS Preferred-CareBlue(PPO) $201.55 ↓ -70%
BCBS Blue-Care(HMO) $201.55 ↓ -70%
BCBS BlueAccess $201.55 ↓ -70%
Universal Healthcare MCR $235.14 ↓ -65%
BCBS Traditional $248.58 ↓ -63%
BCBS Participating $248.58 ↓ -63%
BCBS FreedomNetwork $262.02 ↓ -61%
BCBS PC $262.02 ↓ -61%
Aetna FHMedicalRental $270.08 ↓ -60%
Coventry WCOMP $270.08 ↓ -60%
Coventry KC MO WCOMP $275.45 ↓ -59%
College Park Family Care Center COMM $288.89 ↓ -57%
United GlobalBenefitPlan $302.33 ↓ -55%
Emerging Therapy Solutions MCD $322.48 ↓ -52%
Cigna LifeSource COMM $335.92 ↓ -50%
Emerging Therapy Solutions MGMCR $335.92 ↓ -50%
OHA Network MissouriWCOMP $335.92 ↓ -50%
Aetna NATIONALNAP $342.64 ↓ -49%
Multiplan PrimaryNetwork $356.08 ↓ -47%
Humana National Transplant Network COMM $403.10 ↓ -40%
Humana National Transplant Network MCRHMO $436.70 ↓ -35%
Humana National Transplant Network MCD $436.70 ↓ -35%
CorVel Corporation MOWC $436.70 ↓ -35%
Humana National Transplant Network PPO $436.70 ↓ -35%
Multiplan ComplimentaryNetwork $497.16 ↓ -26%
FOCUS Healthcare Mgmt, Inc WORKERSCOMP $503.88 ↓ -25%
Multiplan WCOMPMissouri $537.47 ↓ -20%
Evernorth Behavioral Health COMMBH $537.47 ↓ -20%
CCO, Inc. COMM $537.47 ↓ -20%
CCO, Inc. WORKERSCOMPPPO $537.47 ↓ -20%
Optum Health COMM $597.94 ↓ -11%
Optum Transplant COMM $618.09 ↓ -8%
Optum Health MCD $671.84 ↑ +0%

Visitor-reported prices

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Assay of interleukin-6 (il-6) at other Missouri hospitals

Hospital City Cash price Negotiated range
RESEARCH PSYCHIATRIC CENTER Kansas City not published $8.76 – $26.25
SSM Health St. Joseph Hospital - Lake Saint Louis Lake Saint Louis $168.30 $17.27 – $29.16
SSM Health DePaul Hospital - St. Louis Bridgeton $168.30 $17.27 – $29.16
SSM Health Saint Louis University Hospital Saint Louis $24.75 $16.92 – $29.16
SSM Health St. Joseph Hospital- Wentzville Wentzville $168.30 $17.27 – $29.16
SSM Health St. Joseph Hospital - St. Charles Saint Charles $168.30 $17.27 – $29.16
SSM Health St. Mary's Hospital - St. Louis Richmond Heights $168.30 $17.27 – $29.16
SSM Health St. Mary's Hospital - Jefferson City Jefferson City $104.50 $15.54 – $31.09

All Missouri hospitals for this procedure →