Lab tests CPT 84681 Outpatient

C-peptide test cost in Wapakoneta, OH

In Wapakoneta, OH, 1 hospital lists a cash price for C-peptide blood test: from $154.80 to $154.80, with a median of $154.80. Across Ohio, the median is $76.91 at 132 hospitals.

Cash prices at 1 facility for code 84681, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 28, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$154.80Grand Lake Health System
Median$154.80half pay less
Highest$154.80in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Grand Lake Health System Saint Marys, OH · (419) 394-3335 C - PEPTIDE SERUM $154.80 $172.00 — 10% Apr 1, 2026
source file

Outpatient: lowest $154.80, median $154.80, highest $154.80.

As an inpatient, the same code is billed by 1 facility here, median $154.80. 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.