Trichomoniasis test cost in Riverside, CA — inpatient
In Riverside-San Bernardino-Ontario, CA, 5 hospitals list a cash price for trichomonas test (NAAT) as an inpatient: from $21.92 to $281.32, with a median of $281.32. The lowest listed price is at St Mary Medical Center — $259.40 less than the median here. Across California, the median is $99.68 at 74 hospitals.
Cash prices at 5 facilities across 4 cities for code 87661, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 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 |
|---|---|---|---|---|---|
| St Mary Medical Center lowest Apple Valley, CA · (760) 242-2311 HC IADNA TRICHOMONAS VAGINALIS AMPLIFIED PROBE TECH CDM | $21.92 | $45.66 | — | 52% | Apr 1, 2026 source file |
| Riverside University Medical Center Moreno Valley, CA · (951) 486-4000 HC Trichomonas Vaginalis Pcr | $31.58 | $31.58 | $23.69–$43.33 | — | — source file |
| Riverside University Medical Center Moreno Valley, CA · (951) 486-4000 HC Trichomonas Vaginalis Pcr | $31.58 | $31.58 | $23.69–$43.33 | — | — source file |
| Riverside University Medical Center Moreno Valley, CA · (951) 486-4000 Qu Trichomonas Vag Rna Q | $167.73 | $167.73 | $30.54–$167.73 | — | — source file |
| Riverside University Medical Center Moreno Valley, CA · (951) 486-4000 Qu Trichomonas Vag Rna Q | $167.73 | $167.73 | $30.54–$167.73 | — | — source file |
| Kaiser Foundation Hospital - Fontana Fontana, CA · (909) 427-5000 IADNA TRICHOMONAS VAGINALIS AMPLIFIED PROBE TECH | $281.32 | $541.00 | $24.00–$70.00 | 48% | — source file |
| Kaiser Foundation Hospital - Moreno Valley Moreno Valley, CA · (951) 251-6530 IADNA TRICHOMONAS VAGINALIS AMPLIFIED PROBE TECH | $281.32 | $541.00 | $24.00–$70.00 | 48% | — source file |
| Kaiser Foundation Hospital - Riverside Riverside, CA · (951) 353-2000 IADNA TRICHOMONAS VAGINALIS AMPLIFIED PROBE TECH | $281.32 | $541.00 | $24.00–$70.00 | 48% | — source file |
Inpatient: lowest $21.92, median $281.32, highest $281.32 — a 12.8× difference within the same market.
As an outpatient, the same code is billed by 8 facilities here, median $110.00 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 1 of 4 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
This test detects Trichomonas vaginalis, a common and curable sexually transmitted parasite, in a swab or urine sample.
What the price covers
The price usually covers running the test on a swab or urine sample.
2 rows held back from this comparison
They are priced below $1 or below a tenth of the national median for code 87661 ($98.50). 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 Mary Medical Center Apple Valley, CAHC IADNA TRICHOMONAS VAGINALIS AMPLIFIED PROBE TECH | $6.00 | file |
| St Mary Medical Center Apple Valley, CAHC IADNA TRICHOMONAS VAGINALIS AMPLIFIED PROBE TECH LAB | $9.00 | file |