Lab tests CPT 84075 Inpatient — admitted to hospital

Alkaline phosphatase test cost in Napa, CA — inpatient

In Napa, CA, 1 hospital lists a cash price for alkaline phosphatase (ALP) blood test as an inpatient: from $8.93 to $8.93, with a median of $8.93. Across California, the median is $36.96 at 207 hospitals.

Cash prices at 1 facility for code 84075, 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$8.93Providence Queen of the Valley Medical Center

Median$8.93half of hospitals charge less

Highest$8.93in 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 Napa, CA.

median

Lowest $8.93Highest $18.47

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 ALKALINE PHOS File of Apr 1, 2026 · source file	$8.93	$17.50	—	49%
Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC ASSAY OF PHOSPHATASE ALKALINE LAB File of Apr 1, 2026 · source file	$18.47	$36.22	—	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 $8.93, median $8.93, highest $8.93.

As an outpatient, the same code is billed by 1 facility here, median $8.93 — that is the price to compare if you are not being admitted.

What it is

An alkaline phosphatase test measures an enzyme from the liver, bile ducts and bones. High levels suggest a blocked bile duct, liver disease or bone disease.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.