Lab tests CPT 82977 Inpatient — admitted to hospital

GGT test cost in Napa, CA — inpatient

In Napa, CA, 1 hospital lists a cash price for gamma-glutamyl transferase (GGT) blood test as an inpatient: 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 inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$15.68Providence Queen of the Valley Medical Center

Median$15.68half of hospitals charge less

Highest$15.68in this market

Difference1.0×highest vs lowest

Hospitals, cheapest first

Hospital	Cash price	List price	Insurers pay	Off list
Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC GAMMA GT TOTAL File of Apr 1, 2026 · source file	$15.68	$30.75	—	49%

Hospital The hospital that published the price, its city and the line exactly as written in its price file.

Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More

List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More

Insurers pay The lowest and highest rates this hospital has agreed with insurance plans for the same item, from its price file. If the cash price is below what your plan pays and you have not met your deductible, paying cash can cost you less. More

Off list How much lower the cash price is than the list price.

Inpatient: lowest $15.68, median $15.68, highest $15.68.

As an outpatient, the same code is billed by 1 facility here, median $15.68 — that is the price to compare if you are not being admitted.

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.