Calprotectin test cost in Riverside, CA — inpatient
In Riverside-San Bernardino-Ontario, CA, 8 hospitals list a cash price for Fecal calprotectin (stool inflammation test) as an inpatient: from $56.22 to $187.72, with a median of $60.00. The lowest listed price is at Riverside University Medical Center — $3.78 less than the median here. Across California, the median is $76.95 at 86 hospitals.
Cash prices at 8 facilities across 7 cities for code 83993, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Sep 2, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Riverside-San Bernardino-Ontario, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Riverside University Medical Center lowest Moreno Valley, CA HC Lab Ref Calprotectin Fecal | $56.22 | $56.22 | $13.96–$56.22 | — | — source file |
| Riverside University Medical Center lowest Moreno Valley, CA HC Lab Ref Calprotectin Fecal | $56.22 | $56.22 | $13.96–$56.22 | — | — source file |
| Loma Linda University Childrens Hospital Loma Linda, CA HC SOM CALPROTECTIN | $60.00 | $60.00 | $12.00–$51.00 | — | Sep 2, 2026 source file |
| Loma Linda University Medical Center Loma Linda, CA HC SOM CALPROTECTIN | $60.00 | $60.00 | $12.00–$54.00 | — | Sep 2, 2026 source file |
| Loma Linda University Medical Center - Murrieta Murrieta, CA HC SOM CALPROTECTIN | $60.00 | $60.00 | $10.86–$45.00 | — | Sep 2, 2026 source file |
| Loma Linda University Behavioral Medicine Center Redlands, CA HC SOM CALPROTECTIN | $60.00 | $60.00 | $33.00–$48.00 | — | Aug 31, 2026 source file |
| St Mary Medical Center Apple Valley, CA HC ASSAY OF CALPROTECTIN FECAL CDM | $84.00 | $175.00 | — | 52% | Apr 1, 2026 source file |
| Riverside University Medical Center Moreno Valley, CA HC Qu Calprotectin Stool | $186.13 | $186.13 | $13.96–$186.13 | — | — source file |
| Riverside University Medical Center Moreno Valley, CA HC Qu Calprotectin Stool | $186.13 | $186.13 | $13.96–$186.13 | — | — source file |
| Kaiser Foundation Hospital - Fontana Fontana, CA ASSAY OF CALPROTECTIN FECAL | $187.72 | $361.00 | $13.00–$40.00 | 48% | — source file |
| Kaiser Foundation Hospital - Riverside Riverside, CA ASSAY OF CALPROTECTIN FECAL | $187.72 | $361.00 | $13.00–$40.00 | 48% | — source file |
Inpatient: lowest $56.22, median $60.00, highest $187.72 — a 3.3× difference within the same market.
As an outpatient, the same code is billed by 12 facilities here, median $60.00 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 0 of 7 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
Fecal calprotectin measures a protein released by inflamed bowel. It helps tell inflammatory bowel disease from irritable bowel syndrome.
What the price covers
The price usually covers running the stool test; the collection kit is often included.