Potassium serum/plasma/whole blood at NORTHCREST MEDICAL CENTER

100 NORTHCREST DRIVE, SPRINGFIELD, TN · Tristarhealth · · NPI 1093397184

Source: hospital's published price file ↗ · Published Mar 1, 2026 · Ingested Sep 16, 2026

$208.22

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.

$208.22

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.

$2.14 with Wellpoint vs $170.74 with Multiplan — 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
Wellpoint MGMCD $2.14 ↓ -99%
Aetna NewBusiness $3.78 ↓ -98%
Aetna COMM $3.78 ↓ -98%
Devoted Health Plan MCR $4.76 ↓ -98%
Healthspring MCRPPO $4.76 ↓ -98%
Humana ChoicecareMGMCR $4.76 ↓ -98%
Healthspring MCRPOS $4.76 ↓ -98%
Healthspring MCRHMO $4.76 ↓ -98%
Healthspring DualEligible $4.76 ↓ -98%
Bright Health HIX $4.76 ↓ -98%
Wellcare MCR $4.76 ↓ -98%
Alive Hospice MCR $4.76 ↓ -98%
Molina MCD $4.76 ↓ -98%
United AllPayerAppendix $4.76 ↓ -98%
United CorePayer $4.76 ↓ -98%
United HeritageSelect $4.76 ↓ -98%
United MASNP $4.76 ↓ -98%
Amerigroup MGMCR $4.76 ↓ -98%
Bright Health SmallGroup $4.76 ↓ -98%
Aetna MGMCRPPO $4.81 ↓ -98%
Aetna MGMCRSNP $4.81 ↓ -98%
Aetna MGMCRHMO $4.81 ↓ -98%
United MGMCR $4.86 ↓ -98%
Zing MGMCR $4.90 ↓ -98%
Ambetter Select $4.95 ↓ -98%
BCBS MCR $4.95 ↓ -98%
American Health Advantage MCRPPO $5.00 ↓ -98%
American Health Advantage MCRPOS $5.00 ↓ -98%
American Health Advantage MCRHMO $5.00 ↓ -98%
Evergreen HMO MCR $5.00 ↓ -98%
American Health Advantage MCRPFFS $5.00 ↓ -98%
American Health Advantage MCRSNP $5.00 ↓ -98%
Ambetter CORE $5.14 ↓ -98%
ATRIO Golden Times MCR $5.24 ↓ -97%
Bright Health MCRNarrow $5.47 ↓ -97%
BCBS NetworkP $6.27 ↓ -97%
Wellcare MGMCD $6.28 ↓ -97%
Wellcare CHIP $6.28 ↓ -97%
Prime Health WORKERSCOMP $6.85 ↓ -97%
NovaNET WORKERSCOMP $7.00 ↓ -97%
Cigna NewBusiness $8.66 ↓ -96%
Cigna OAP $9.83 ↓ -95%
Oscar HIX $14.28 ↓ -93%
Humana NarrowExchangeNetwork $19.04 ↓ -91%
Humana HumanaChoice $19.04 ↓ -91%
Humana HumanaChoiceCare $19.04 ↓ -91%
Humana BroadNetwork $19.04 ↓ -91%
NHC Advantage, Inc. MCRHMO $39.56 ↓ -81%
United OptionsPPO $46.02 ↓ -78%
Cigna PPO $61.01 ↓ -71%
United GlobalBenefitPlan $93.70 ↓ -55%
Aetna NAP $104.11 ↓ -50%
City of Springfield COMM $135.34 ↓ -35%
Multiplan ComplementaryNetwork $162.41 ↓ -22%
Multiplan PrimaryNetwork $170.74 ↓ -18%

Visitor-reported prices

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Potassium serum/plasma/whole blood at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $64.82 $1.71 – $18.06
CHI Memorial Hospital Hixson Hixson $13.03 $4.09 – $30.80
62-1166050 BMH Carroll County Huntingdon $51.06 $4.14 – $9.52
CHI Memorial Hospital Chattanooga Chattanooga $18.62 $4.09 – $30.80
Johnson City Medical Center JOHNSON CITY $8.10 $2.31 – $10.38
Ascension Saint Thomas DeKalb Smithville $42.81 $3.23 – $18.06
Ascension Saint Thomas Highlands Sparta $42.81 $3.23 – $18.06
Ascension Saint Thomas River Park McMinnville $42.81 $3.23 – $18.06

All Tennessee hospitals for this procedure →