Lab tests CPT 84681 Inpatient — admitted to hospital

C-peptide test cost in St. Marys, PA — inpatient

In St. Marys, PA, 1 hospital lists a cash price for C-peptide blood test as an inpatient: from $245.00 to $245.00, with a median of $245.00. Across Pennsylvania, the median is $105.00 at 94 hospitals.

Cash prices at 1 facility 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$245.00Penn Highlands Elk
Median$245.00half pay less
Highest$245.00in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Penn Highlands Elk Saint Marys, PA · (814) 788-8000 C-Peptide-Quest $245.00 $245.00 — — Apr 1, 2026
source file

Inpatient: lowest $245.00, median $245.00, highest $245.00.

As an outpatient, the same code is billed by 1 facility here, median $245.00 — 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.