Lab tests CPT 86141 Inpatient — admitted to hospital

hs-CRP test cost in San Francisco, CA — inpatient

In San Francisco-Oakland-Fremont, CA, 11 hospitals list a cash price for high-sensitivity CRP (hs-CRP) test as an inpatient: from $8.16 to $142.24, with a median of $142.24. The lowest listed price is at Stanford Health Care Tri-Valley — $134.08 less than the median here. Across California, the median is $63.58 at 98 hospitals.

Cash prices at 11 facilities across 11 cities for code 86141, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Feb 23, 2026 and Apr 1, 2026.

Lowest$8.16Stanford Health Care Tri-Valley
Median$142.24half pay less
Highest$142.24in this market
Difference17.4×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in San Francisco-Oakland-Fremont, CA.

median
Lowest $8.16Highest $142.24

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Stanford Health Care Tri-Valley lowest Pleasanton, CA · (925) 847-3000 C-Reactive Protein, High $8.16 $20.40 — 60% Apr 1, 2026
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Hayward Sisters Hospital Hayward, CA · (510) 782-6200 CREACTIVEPROTHISENS(CRP) $66.15 $220.50 $154.35–$169.78 70% Feb 23, 2026
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Stanford Health Care Tri-Valley Pleasanton, CA · (925) 847-3000 HC High Sensitive Crp $123.60 $309.00 — 60% Apr 1, 2026
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Kaiser Foundation Hospital - Walnut Creek Walnut Creek, CA · (925) 295-4000 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Kaiser Foundation Hospital - Fremont Fremont, CA · (510) 784-4000 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Kaiser Foundation Hospital - Redwood City Redwood City, CA · (650) 299-2000 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Kaiser Foundation Hospital - San Rafael San Rafael, CA · (415) 444-2000 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Kaiser Foundation Hospital - Antioch Antioch, CA · (925) 813-6500 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Kaiser Foundation Hospital - San Leandro San Leandro, CA · (510) 454-1000 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Kaiser Foundation Hospital - South San Francisco South San Francisco, CA · (650) 742-3200 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Kaiser Foundation Hospital - San Francisco San Francisco, CA · (415) 833-2646 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Kaiser Foundation Hospital - Oakland/Richmond Oakland, CA · (510) 752-1000 C-REACTIVE PROTEIN HIGH SENSITIVITY $142.24 $254.00 $13.00–$40.00 44% —
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Inpatient: lowest $8.16, median $142.24, highest $142.24 — a 17.4× difference within the same market.

As an outpatient, the same code is billed by 12 facilities here, median $142.24 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 1 of 10 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.

What it is

The high-sensitivity CRP test measures low levels of inflammation. It is used, along with cholesterol, to estimate heart disease risk.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.