Lab tests CPT 82977 Outpatient

GGT test cost in Walla Walla, WA

In Walla Walla, WA, 1 hospital lists a cash price for gamma-glutamyl transferase (GGT) blood test: from $17.50 to $17.50, with a median of $17.50. Across Washington, the median is $52.17 at 58 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.

Lowest$17.50Providence St Mary Medical Center
Median$17.50half pay less
Highest$17.50in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Walla Walla, WA.

median
Lowest $17.50Highest $106.40

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Providence St Mary Medical Center lowest Walla Walla, WA · (509) 522-5900 HC ASSAY OF GGT $17.50 $25.00 — 30% Apr 1, 2026
source file
Providence St Mary Medical Center Walla Walla, WA · (509) 522-5900 HC ASSAY OF GLUTAMYLTRASE GAMMA LAB $23.80 $34.00 — 30% Apr 1, 2026
source file
Providence St Mary Medical Center Walla Walla, WA · (509) 522-5900 HC V FIBROSURE GGT $56.00 $80.00 — 30% Apr 1, 2026
source file
Providence St Mary Medical Center Walla Walla, WA · (509) 522-5900 HC GAMMA GT TOTAL $106.40 $152.00 — 30% Apr 1, 2026
source file

Outpatient: lowest $17.50, median $17.50, highest $17.50.

As an inpatient, the same code is billed by 1 facility here, median $17.50. 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.