Every billing code / CPT 87391 / PeaceHealth St John Medical Center
CPT 87391 at PeaceHealth St John Medical Center
Immunoassay
PeaceHealth St John Medical Center, Longview
This name is the CMS category the code belongs to (CMS's Restructured BETOS Classification System), shared with similar codes. The official CPT description belongs to the American Medical Association and isn't shown.
What PeaceHealth St John Medical Center publishes for this code: as an outpatient
PeaceHealth St John Medical Center’s prices for CPT 87391, as an outpatient| Who pays | Hospital’s fee (lowest – highest) | Doctor’s fee the hospital lists |
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| Commercial insuranceInsurer rates | $8.76 – $1265 plans | — |
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| Medicare AdvantageInsurer rates | $17.08 – $24.0914 plans | — |
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| Medicaid managed careInsurer rates | $17.08 – $23.003 plans | — |
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| UnknownInsurer rates | $37.45 – $1563 plans | — |
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| Cash pricePaying yourself, without insurance | $68.25 | — |
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| List priceBefore any discount; few people pay it | $105 | — |
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Lowest and highest amounts PeaceHealth St John Medical Center lists for this code as an outpatient, including lines it lists for both settings or without saying which. This is one line of a bill; most care brings several.
Bills to expect
The hospital’s fee is the price above. Doctors usually send their own bills. Their amounts here are what original Medicare allows in the rest of Washington for 2026, and a private-plan estimate of 118% to 179% of that (the range found across studies of what insurers pay doctors). Those are estimates, not quotes.
Bills to expect for CPT 87391 at PeaceHealth St John Medical Center| Bill | What it’s for | Original Medicare allows | Private plan estimate |
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| Hospital's feeThe hospital | The lab test, including drawing the sample | — | The price above |
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A lab test usually comes as one bill from the lab that runs it.
Original Medicare amounts are only for people on original Medicare. Your share depends on your plan’s deductible, copay and coinsurance.
Compare CPT 87391 at every Washington hospital, with Medicare’s reference amounts.