Lab tests CPT 84681 Outpatient

C-peptide test cost in Marietta, OH

In Marietta, OH, 2 hospitals list a cash price for C-peptide blood test: from $55.39 to $73.85, with a median of $64.62. The lowest listed price is at Selby General Hospital — $9.23 less than the median here. Across Ohio, the median is $76.91 at 132 hospitals.

Cash prices at 2 facilities for code 84681, as an outpatient — the setting a self-pay patient normally buys. Collected Oct 1, 2026; the hospital files themselves were last updated between Oct 1, 2026 and Oct 1, 2026.

Lowest$55.39Selby General Hospital

Median$64.62half of hospitals charge less

Highest$73.85in this market

Difference1.3×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 Marietta, OH.

median

Lowest $55.39Highest $73.85

Hospitals, cheapest first

Hospital	Cash price	List price	Insurers pay	Off list
Selby General Hospital lowest Marietta, OH · (740) 568-2000 C-Peptide,Serum File of Oct 1, 2026 · source file	$55.39	$92.31	—	40%
Marietta Memorial Hospital Marietta, OH · (740) 374-1400 C-Peptide,Serum File of Oct 1, 2026 · source file	$73.85	$123.08	—	40%

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.

Outpatient: lowest $55.39, median $64.62, highest $73.85 — a 1.3× difference within the same market.

As an inpatient, the same code is billed by 2 facilities here, median $64.62. 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 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.