Lab tests CPT 84681 Massachusetts Outpatient

C-peptide test cost in Massachusetts

In Massachusetts, 33 hospitals publish a cash price for C-peptide blood test: from $30.60 to $236.00, with a median of $117.34. The lowest price is at Boston Medical Center (Boston). The highest price is 7.7× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 84681. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 29, 2026. See them on a map

Lowest$30.60Boston Medical Center

Median$117.34half pay less

Highest$236.00in Massachusetts

Lowest saves$86.74vs the median

Hospitals in Massachusetts, cheapest first

Hospital	Cash price	List price	File date
Boston Medical Center lowest Boston · Boston-Cambridge-Newton, MA-NH HC Chg Assay of C-Peptide	$30.60	$68.00	— source file
Boston Medical Center South Brockton · Boston-Cambridge-Newton, MA-NH HC Chg Assay of C-Peptide	$34.91	$77.58	— source file
Boston Medical Center Brighton Boston · Boston-Cambridge-Newton, MA-NH HC Chg Assay of C-Peptide	$39.71	$88.24	— source file
Lowell General Hospital Lowell · Boston-Cambridge-Newton, MA-NH HC Assay of C-Peptide - C-Peptide	$51.10	$73.00	— source file
Melrosewakefield Healthcare Melrose · Boston-Cambridge-Newton, MA-NH HC Assay of C-Peptide - C-Peptide	$51.10	$73.00	— source file
Tufts Medical Center Boston · Boston-Cambridge-Newton, MA-NH HC Assay of C-Peptide - C-Peptide	$51.10	$73.00	— source file
The Mercy Hospital Springfield · Springfield, MA HC C-Peptide	$59.15	$91.00	Mar 31, 2026 source file
Signature Healthcare Brockton Hospital Brockton · Boston-Cambridge-Newton, MA-NH C-PEPTIDE	$60.20	$86.00	Jan 28, 2026 source file
Cambridge Health Alliance Cambridge · Boston-Cambridge-Newton, MA-NH HC C-Peptide So	$65.00	$65.00	— source file
Emerson Hospital Concord · Boston-Cambridge-Newton, MA-NH ASSAY OF C-PEPTIDE	$66.75	$89.00	May 18, 2026 source file
Holyoke Medical Center Holyoke · Springfield, MA Assay Of C-Peptide	$77.00	$77.00	— source file
Brown University Health Morton Hospital Taunton · Providence-Warwick, RI-MA HC URINE CPEPTIDE	$77.58	$77.58	— source file
Saint Anne's Hospital Fall River · Providence-Warwick, RI-MA HC URINE CPEPTIDE	$100.71	$100.71	— source file
Winchester Hospital Winchester · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$102.00	$102.00	Apr 1, 2026 source file
Berkshire Medical Center Pittsfield · Pittsfield, MA C-Peptide	$117.34	$123.52	Mar 25, 2026 source file
Fairview Hospital Great Barrington · Pittsfield, MA C-Peptide	$117.34	$123.52	Mar 25, 2026 source file
North Adams Regional Hospital North Adams · Pittsfield, MA C-Peptide	$117.34	$123.52	Mar 25, 2026 source file
UMass Memorial Health - Harrington Hospital Southbridge · Worcester, MA HC C-Peptide	$121.00	$121.00	Apr 3, 2026 source file
Beth Israel Deaconess Hospital-Milton Milton · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$123.00	$123.00	Apr 1, 2026 source file
Southcoast Hospitals Group Fall River · Providence-Warwick, RI-MA HC Assay of C-Peptide	$124.00	$248.00	— source file
Southcoast Hospitals Group - St. Luke's Hospital St. New Bedford · Providence-Warwick, RI-MA HC Assay of C-Peptide	$124.00	$248.00	— source file
Southcoast Hospitals Group - Tobey Hospital Campus Wareham · Boston-Cambridge-Newton, MA-NH HC Assay of C-Peptide	$124.00	$248.00	— source file
Beth Israel Deaconess Medical Center Boston · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$126.00	$126.00	Apr 1, 2026 source file
UMass Memorial Medical Center Worcester · Worcester, MA HC C-Peptide	$130.00	$130.00	Mar 26, 2026 source file
Beth Israel Deaconess Hospital - Plymouth Plymouth · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$134.00	$134.00	Apr 1, 2026 source file
Lahey Hospital & Medical Center, Burlington Burlington · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$137.00	$137.00	Apr 1, 2026 source file
Beth Israel Deaconess Hospital - Needham Needham · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$153.00	$153.00	Apr 1, 2026 source file
Shriners Childrens - Boston Boston · Boston-Cambridge-Newton, MA-NH ASSAY OF C-PEPTIDE	$170.30	$170.30	— source file
HealthAlliance - Clinton Hospital Leominster · Worcester, MA HC C-Peptide	$175.00	$175.00	Mar 26, 2026 source file
New England Baptist Hospital Boston · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$177.00	$177.00	Apr 1, 2026 source file
Milford Regional Medical Center Milford · Worcester, MA Assay of c-peptide	$197.00	$197.00	— source file
Mount Auburn Hospital Cambridge · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$209.00	$209.00	Apr 1, 2026 source file
Anna Jaques Hospital Newburyport · Boston-Cambridge-Newton, MA-NH CHG ASSAY OF C-PEPTIDE	$236.00	$236.00	Apr 1, 2026 source file

By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro area	Hospitals	Lowest	Median
Boston-Cambridge-Newton, MA-NH	20	$30.60	$112.50
Providence-Warwick, RI-MA	4	$77.58	$112.36
Worcester, MA	4	$121.00	$152.50
Pittsfield, MA	3	$117.34	$117.34
Springfield, MA	2	$59.15	$68.08

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.

C-peptide blood test in other states

Median cash price across the state's hospitals.