Chlamydia test cost in Napa, CA — inpatient
In Napa, CA, 1 hospital lists a cash price for chlamydia test by nucleic acid amplification (NAAT, PCR-type) as an inpatient: from $12.75 to $12.75, with a median of $12.75. Across California, the median is $54.60 at 96 hospitals.
Cash prices at 1 facility for code 87491, 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 Napa, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence Queen of the Valley Medical Center lowest Napa, CA · (707) 252-4411 HC CHLAMYDIA TRACHOMATIS PCR | $12.75 | $25.00 | — | 49% | Apr 1, 2026 source file |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC CHLAMYDIA TRACHOMATIS AMPLIFIED DNA | $30.60 | $60.00 | — | 49% | Apr 1, 2026 source file |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC IADNA CHLAMYDIA TRACHOMATIS AMPLIFIED PROBE TQ LAB | $30.60 | $60.00 | — | 49% | Apr 1, 2026 source file |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC IADNA CHLAMYDIA TRACHOMATIS AMPLIFIED PROBE TQ | $30.60 | $60.00 | — | 49% | Apr 1, 2026 source file |
Inpatient: lowest $12.75, median $12.75, highest $12.75.
As an outpatient, the same code is billed by 1 facility here, median $12.75 — that is the price to compare if you are not being admitted.
What it is
This test looks for the genetic material of Chlamydia trachomatis using a nucleic acid amplification test (NAAT), the most accurate type of chlamydia test. It is run on a urine sample or a swab and is used for routine screening and when there are symptoms.
What the price covers
The price usually covers the chlamydia test only. The visit, the sample collection and a gonorrhea test on the same sample (87591) are usually billed separately.
1 row held back from this comparison
It is priced below $1 or below a tenth of the national median for code 87491 ($114.40). 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.
| Providence Queen of the Valley Medical Center Napa, CAHC CHLAMYDIA TRACHOMATIS AMPLIFIED PROBE | $6.38 | file |