Lab tests CPT 82140 North Carolina Outpatient

Ammonia test cost in North Carolina

In North Carolina, 62 hospitals publish a cash price for ammonia blood test: from $15.37 to $214.90, with a median of $73.85. The lowest price is at ECU Health Beaufort Hospital (Washington) and 1 other hospital. The highest price is 14.0× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 82140. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 29, 2026. See them on a map

Lowest$15.37ECU Health Beaufort Hospital + 1 more

Median$73.85half pay less

Highest$214.90in North Carolina

Lowest saves$58.48vs the median

Hospitals in North Carolina, cheapest first

Hospital	Cash price	List price	File date
ECU Health Beaufort Hospital lowest Washington · Washington, NC 442 Assay of Ammonia-Ref-Qu	$15.37	$29.00	Apr 1, 2026 source file
ECU Health Medical Center lowest Greenville · Greenville, NC 442 Assay of Ammonia-Ref-Qu	$15.37	$29.00	Apr 1, 2026 source file
ECU Health Bertie Hospital Windsor · Windsor, NC 442 Assay of Ammonia-Ref-Qu	$16.24	$29.00	Apr 1, 2026 source file
ECU Health Chowan Hospital Edenton · Edenton, NC 442 Assay of Ammonia-Ref-Qu	$16.24	$29.00	Apr 1, 2026 source file
ECU Health Duplin Hospital Kenansville · Kenansville, NC 442 Assay of Ammonia-Ref-Qu	$16.24	$29.00	Apr 1, 2026 source file
ECU Health Edgecombe Hospital Tarboro · Rocky Mount, NC 442 Assay of Ammonia-Ref-Qu	$16.24	$29.00	Apr 1, 2026 source file
ECU Health North Hospital Roanoke Rapids · Roanoke Rapids, NC 442 Assay of Ammonia-Ref-Qu	$16.24	$29.00	Apr 1, 2026 source file
East Carolina Health Ahoskie · Ahoskie, NC 442 Assay of Ammonia-Ref-Qu	$16.24	$29.00	Apr 1, 2026 source file
The Outer Banks Hospital Nags Head · Kill Devil Hills, NC 442 Assay of Ammonia-Ref-Qu	$16.24	$29.00	Apr 1, 2026 source file
WakeMed Cary Hospital Cary · Raleigh-Cary, NC HC Assay of Ammonia - Lc	$19.00	$50.00	— source file
WakeMed Mental Health & Well-Being Hospital - WakeBrook Raleigh · Raleigh-Cary, NC HC Assay of Ammonia - Lc	$19.00	$50.00	— source file
WakeMed Raleigh Campus Raleigh · Raleigh-Cary, NC HC Assay of Ammonia - Lc	$19.00	$50.00	— source file
Betsy Johnson Hospital Dunn · Anderson Creek, NC ASSAY OF AMMONIA	$24.29	$40.48	— source file
Cape Fear Valley - Bladen County Hospital Elizabethtown · Elizabethtown, NC ASSAY OF AMMONIA	$24.29	$40.48	— source file
Cape Fear Valley - Hoke Hospital Raeford · Fayetteville, NC ASSAY OF AMMONIA	$24.29	$40.48	— source file
Cape Fear Valley Medical Center Fayetteville · Fayetteville, NC ASSAY OF AMMONIA	$24.29	$40.48	— source file
Highsmith-Rainey Specialty Hospital Fayetteville · Fayetteville, NC ASSAY OF AMMONIA	$24.29	$40.48	— source file
Northern Regional Hospital Mount Airy · Mount Airy, NC Ammonia, Assay	$42.16	$62.00	— source file
Hugh Chatham Memorial Hospital Elkin · Mount Airy, NC HC ASSAY OF AMMONIA	$58.50	$117.00	Jul 16, 2026 source file
Wilkes Regional Medical Center North Wilkesboro · North Wilkesboro, NC HC ASSAY OF AMMONIA	$58.50	$117.00	Oct 8, 2025 source file
North Carolina Baptist Hospital Bermuda Run · Winston-Salem, NC HC ASSAY OF AMMONIA	$62.00	$124.00	Oct 21, 2025 source file
Rutherford Regional Medical Center Rutherfordton · Forest City, NC Ammonia	$64.19	$160.48	— source file
Duke University Hospital Durham · Durham, NC Ammonia	$64.80	$240.00	— source file
Duke Health Raleigh Hospital Raleigh · Raleigh-Cary, NC Ammonia	$64.80	$240.00	— source file
Duke Regional Hospital Durham · Durham-Chapel Hill, NC Ammonia	$64.80	$240.00	— source file
North Carolina Baptist Hospital Winston Salem · Winston-Salem, NC HC ASSAY OF AMMONIA	$65.50	$131.00	Oct 8, 2025 source file
Frye Regional Medical Center Hickory · Hickory-Lenoir-Morganton, NC ASSAY OF AMMONIA	$66.98	$167.45	— source file
Lexington Medical Center Lexington · Winston-Salem, NC HC ASSAY OF AMMONIA	$67.50	$135.00	Oct 8, 2025 source file
Erlanger Murphy Medical Center Murphy · Murphy, NC HC Ammonia,Plasma	$69.30	$99.00	Jan 25, 2026 source file
Alleghany County Memorial Hospital Sparta · Sparta, NC HC ASSAY OF AMMONIA	$70.00	$140.00	Aug 12, 2025 source file
Wilson Medical Center Wilson · Wilson, NC Ammonia	$70.40	$176.00	— source file
Harris Regional Hospital Sylva · Sylva, NC Ammonia	$77.30	$193.26	— source file
Randolph Health Asheboro · Asheboro, NC AMMONIA	$80.40	$402.00	— source file
Iredell Memorial Hospital Statesville · Charlotte-Concord-Gastonia, NC-SC Ammonia Level	$82.89	$307.00	Dec 31, 2025 source file
Duke Health Lake Norman Hospital Mooresville · Charlotte-Concord-Gastonia, NC-SC Ammonia	$87.75	$325.00	— source file
High Point Regional Health High Point · Greensboro-High Point, NC HC ASSAY OF AMMONIA	$90.00	$180.00	Oct 8, 2025 source file
Sampson Regional Medical Center Clinton · Clinton, NC Ammonia level	$91.00	$130.00	May 7, 2026 source file
Atrium Health Anson Wadesboro · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 1, 2025 source file
Atrium Health Behavioral Health Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 4, 2025 source file
Atrium Health Cleveland Shelby · Shelby-Kings Mountain, NC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 1, 2025 source file
Atrium Health Lincoln Lincolnton · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 1, 2025 source file
Atrium Health Mercy, a facility of Carolinas Medical Center Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 4, 2025 source file
Atrium Health Pineville Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 5, 2025 source file
Atrium Health Union Monroe · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 4, 2025 source file
Atrium Health University City Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 5, 2025 source file
Carolinas Medical Center Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 4, 2025 source file
Carolinas Medical Center-Northeast Concord · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 1, 2025 source file
Carolinas Rehabilitation Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 5, 2025 source file
Carolinas Rehabilitation Belmont · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 5, 2025 source file
Carolinas Rehabilitation Concord · Concord, NC HC ASSAY OF AMMONIA	$96.53	$193.05	Dec 5, 2025 source file
Stanly Regional Medical Center Albermarle · Albemarle, NC HC ASSAY OF AMMONIA	$101.00	$202.00	Sep 15, 2026 source file
AdventHealth Hendersonville Hendersonville · Asheville, NC HC AMMONIA LEVEL	$107.00	$107.00	Apr 1, 2026 source file
Columbus Regional Healthcare System Whiteville · Whiteville, NC Ammonia Level	$108.34	$154.76	Sep 1, 2025 source file
Sentara Albemarle Regional Medical Center Elizabeth City · Elizabeth City, NC Chgl Ammonia Stat	$113.00	$226.00	Apr 1, 2026 source file
Carepartners Rehabilitation Hospital Asheville · Asheville, NC AMMONIA	$124.89	$124.89	Sep 1, 2026 source file
AdventHealth Polk Columbus · Columbus, NC HC AMMONIA LEVEL	$136.40	$136.40	Apr 1, 2026 source file
Scotland Memorial Hospital Laurinburg · Laurinburg, NC HC ASSAY OF AMMONIA	$143.50	$287.00	— source file
Person Memorial Hospital Roxboro · Durham-Chapel Hill, NC Ammonia	$155.60	$389.00	— source file
CaroMont Regional Medical Center - Gastonia Gastonia · Charlotte-Concord-Gastonia, NC-SC CHG AMMONIA	$187.00	$187.00	May 11, 2026 source file
Gaston Memorial Hospital Mount Holly · Charlotte-Concord-Gastonia, NC-SC CHG AMMONIA	$187.00	$187.00	May 11, 2026 source file
Gaston Memorial Hospital Belmont · Charlotte-Concord-Gastonia, NC-SC CHG AMMONIA	$187.00	$187.00	May 11, 2026 source file
Iredell Davis Behavioral Health Hospital Statesville · Statesville, NC Ammonia Level	$214.90	$307.00	Dec 31, 2025 source file

By metro area

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

Metro area	Hospitals	Lowest	Median
Charlotte-Concord-Gastonia, NC-SC	16	$82.89	$96.53
Raleigh-Cary, NC	4	$19.00	$19.00
Fayetteville, NC	3	$24.29	$24.29
Winston-Salem, NC	3	$62.00	$65.50
Asheville, NC	2	$107.00	$115.94
Durham-Chapel Hill, NC	2	$64.80	$110.20
Mount Airy, NC	2	$42.16	$50.33
Ahoskie, NC	1	$16.24	$16.24
Asheboro, NC	1	$80.40	$80.40
Albemarle, NC	1	$101.00	$101.00
Anderson Creek, NC	1	$24.29	$24.29
Clinton, NC	1	$91.00	$91.00
Columbus, NC	1	$136.40	$136.40
Concord, NC	1	$96.53	$96.53
Durham, NC	1	$64.80	$64.80
Edenton, NC	1	$16.24	$16.24
Elizabethtown, NC	1	$24.29	$24.29
Elizabeth City, NC	1	$113.00	$113.00
Forest City, NC	1	$64.19	$64.19
Greensboro-High Point, NC	1	$90.00	$90.00
Greenville, NC	1	$15.37	$15.37
Hickory-Lenoir-Morganton, NC	1	$66.98	$66.98
Kenansville, NC	1	$16.24	$16.24
Kill Devil Hills, NC	1	$16.24	$16.24
Laurinburg, NC	1	$143.50	$143.50
Murphy, NC	1	$69.30	$69.30
North Wilkesboro, NC	1	$58.50	$58.50
Roanoke Rapids, NC	1	$16.24	$16.24
Rocky Mount, NC	1	$16.24	$16.24
Sparta, NC	1	$70.00	$70.00
Statesville, NC	1	$214.90	$214.90
Sylva, NC	1	$77.30	$77.30
Shelby-Kings Mountain, NC	1	$96.53	$96.53
Whiteville, NC	1	$108.34	$108.34
Windsor, NC	1	$16.24	$16.24
Washington, NC	1	$15.37	$15.37
Wilson, NC	1	$70.40	$70.40

What it is

An ammonia test measures ammonia in the blood. It is used for confusion or drowsiness in people with liver disease and for some rare inherited disorders in newborns.

What the price covers

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

Ammonia blood test in other states

Median cash price across the state's hospitals.