80892-3

Heparin unfractionated [Units/volume] in Blood by Heparin protamine titration

Active

Term Description

The heparin assay measures the patient's actual circulating concentration of unfractionated heparin in a sample of fresh whole blood by using titration with known quantities of protamine in individual assay channels. The channel whose quantity of protamine neutralizes the heparin in the test sample will have the shortest clotting time, and the concentration of heparin is calculated based on the known amount of protamine in that channel. The heparin concentration is used along with the activated clotting time in the cardiac OR to give a more complete picture of the patient's heparin anti-coagulation status. Using this test, the clinician/perfusionist knows how much heparin is present, and how much additional heparin is needed during the procedure, and the amount of protamine sulfate that is required to reverse the remaining heparin in the patient at the end of the procedure. This term was created for, but not limited in use to, the submitter's Medtronic HMS Heparin Assay test kit.

Part Descriptions

LP16002-5   Heparin.unfractionated
Heparin is a highly sulfated glycosaminoglycan widely used as an injectable anticoagulant. It is also used to form an inner anticoagulant surface on various experimental and medical devices such as test tubes and renal dialysis machines. Pharmaceutical grade heparin is commonly derived from mucosal tissues of slaughtered meat animals such as porcine intestine or bovine lung. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See http://creativecommons.org/licenses/by-sa/3.0/ for details. Source: Wikipedia , Heparin (Wikipedia)

LP16002-5   Heparin.unfractionated
A highly acidic mucopolysaccharide formed of equal parts of sulfated D-glucosamine and D-glucuronic acid with sulfaminic bridges. The molecular weight ranges from six to twenty thousand. Heparin occurs in and is obtained from liver, lung, mast cells, etc., of vertebrates. Its function is unknown, but it is used to prevent blood clotting in vivo and vitro, in the form of many different salts. Source: National Library of Medicine, MeSH 2006

Fully-Specified Name

Component

Heparin.unfractionated

Property

ACnc

Time

Pt

System

Bld

Scale

Qn

Method

Heparin protamine titration

Additional Names

Long Common Name

Heparin unfractionated [Units/volume] in Blood by Heparin protamine titration

Short Name

UFH Bld HPT-aCnc

Display Name

Heparin unfractionated Heparin protamine titration Qn (Bld)

Consumer Name Alpha Get Info

Heparin unfractionated, Blood

Basic Attributes

Class

COAG

Type

Laboratory

First Released

Version 2.56

Last Updated

Version 2.68 (MIN)

Order vs. Observation

Both

Language Variants Get Info

Related Names

• Arbitrary concentration
• Blood
• COAGULATION
• Hematology
• Heme
• Hep
• Hepar
• Heparn
• HPT
• Point in time
• QNT
• Quan
• Quant
• Quantitative
• Random
• UFH
• WB
• Whole blood

Example Units

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CodeSystem lookup

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