Lab tests CPT 82378 Inpatient — admitted to hospital

CEA test cost in Oxnard, CA — inpatient

In Oxnard-Thousand Oaks-Ventura, CA, 2 hospitals list a cash price for carcinoembryonic antigen (CEA) test as an inpatient: from $31.48 to $33.22, with a median of $32.35. The lowest listed price is at St. John's Pleasant Valley Hospital — $0.87 less than the median here. Across California, the median is $106.38 at 189 hospitals.

Cash prices at 2 facilities across 2 cities for code 82378, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Feb 28, 2026 and Feb 28, 2026.

Lowest$31.48St. John's Pleasant Valley Hospital
Median$32.35half pay less
Highest$33.22in this market
Difference1.1×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 Oxnard-Thousand Oaks-Ventura, CA.

median
Lowest $31.48Highest $33.22

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
St. John's Pleasant Valley Hospital lowest Camarillo, CA · (805) 988-2500 CARCINOEMBRYONIC AG $31.48 $75.84 $20.48–$60.68 58% Feb 28, 2026
source file
St Johns Regional Medical Center Oxnard, CA · (805) 988-2500 CARCINOEMBRYONIC AG $33.22 $75.84 $20.48–$59.16 56% Feb 28, 2026
source file

Inpatient: lowest $31.48, median $32.35, highest $33.22 — a 1.1× difference within the same market.

As an outpatient, the same code is billed by 3 facilities here, median $31.48 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it 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

A CEA test measures a protein that can be high in colorectal and some other cancers. It is used to follow treatment and watch for recurrence, not to screen healthy people.

What the price covers

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

4 rows held back from this comparison

They are priced below $1 or below a tenth of the national median for code 82378 ($110.25). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.

St. John's Pleasant Valley Hospital Camarillo, CARL-A-CEA 80080 $2.49 file
St Johns Regional Medical Center Oxnard, CARL-A-CEA 80080 $2.63 file
St. John's Pleasant Valley Hospital Camarillo, CARL-A-CEA FL 20742 $4.15 file
St Johns Regional Medical Center Oxnard, CARL-A-CEA FL 20742 $4.38 file