GGT test cost in Napa, CA
In Napa, CA, 1 hospital lists a cash price for gamma-glutamyl transferase (GGT) blood test: from $15.68 to $15.68, with a median of $15.68. Across California, the median is $44.52 at 208 hospitals.
Cash prices at 1 facility for code 82977, as an outpatient — the setting a self-pay patient normally buys. 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 |
|---|---|---|---|---|
| Providence Queen of the Valley Medical Center lowest Napa, CA · (707) 252-4411 HC GAMMA GT TOTAL File of Apr 1, 2026 · source file | $15.68 | $30.75 | — | 49% |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC GAMMA GT TOTAL File of Apr 1, 2026 · source file | $65.79 | $129.00 | — | 49% |
Outpatient: lowest $15.68, median $15.68, highest $15.68.
As an inpatient, the same code is billed by 1 facility here, median $15.68. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
A GGT test measures a liver enzyme that rises with bile duct problems and heavy alcohol use. It helps tell whether a high alkaline phosphatase comes from the liver or bone.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.