Lab tests CPT 84681 Inpatient — admitted to hospital

C-peptide test cost in Providence, RI — inpatient

In Providence-Warwick, RI-MA, 5 hospitals list a cash price for C-peptide blood test as an inpatient: from $77.58 to $165.60, with a median of $165.60. The lowest listed price is at Brown University Health Morton Hospital — $88.02 less than the median here. Across Rhode Island, the median is $165.60 at 7 hospitals.

Cash prices at 5 facilities across 4 cities for code 84681, 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$77.58Brown University Health Morton Hospital

Median$165.60half of hospitals charge less

Highest$165.60in this market

Difference2.1×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 Providence-Warwick, RI-MA.

median

Lowest $77.58Highest $165.60

Hospitals, cheapest first

Hospital	Cash price	List price	Insurers pay	Off list
Brown University Health Morton Hospital lowest Taunton, MA · (508) 828-7000 HC URINE CPEPTIDE File of Apr 1, 2026 · source file	$77.58	$77.58	—	—
Saint Anne's Hospital Fall River, MA · (508) 674-5600 HC URINE CPEPTIDE File of Apr 1, 2026 · source file	$100.71	$100.71	—	—
Rhode Island Hospital Providence, RI · (401) 444-4000 HC C PEPTIDE SERUM+1 more line at this price File of Apr 1, 2026 · source file	$165.60	$165.60	—	—
The Miriam Hospital Providence, RI · (401) 793-2500 HC URINE CPEPTIDE+1 more line at this price File of Apr 1, 2026 · source file	$165.60	$165.60	—	—
Newport Hospital Newport, RI · (401) 846-6400 HC URINE CPEPTIDE+1 more line at this price File of Apr 1, 2026 · source file	$165.60	$165.60	—	—

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.

No cash discount This line's cash price equals the hospital's full list price. Many hospitals still reduce bills for uninsured patients: ask the billing office for its self-pay discount in writing. More

Inpatient: lowest $77.58, median $165.60, highest $165.60 — a 2.1× difference within the same market.

As an outpatient, the same code is billed by 11 facilities here, median $124.00 — that is the price to compare if you are not being admitted.

What it is

A C-peptide test shows how much insulin the pancreas is making. It helps tell type 1 from type 2 diabetes and find the cause of low blood sugar.

What the price covers

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