Antithrombin in Platelet poor plasma by Chromo.no addition of heparin   91120-6

LOINC Code


LOINC code91120-6
nameAntithrombin in Platelet poor plasma by Chromo.no addition of heparin
descriptionThis term represents an antithrombin (AT) assay which, in contrast to typical AT assays, is performed in the ABSENCE of heparin. This assay is also known as "Progressive antithrombin assay." It is used to identify type IIb AT deficiency, which is caused by a mutation in the AT heparin binding site (HBS). In type IIb AT deficiency, AT activity is reduced in the presence of heparin but is normal in the absence of heparin.[PMID: 19141163] This term was created for, but is not limited in use to, the Biophen Antithrombin 5 assay's VARIANT Method, which is performed without heparin. In patients with type IIb AT deficiency, AT activity is expected to be normal in patients with an HBS mutation.
statusACTIVE

Fully-Specified Name

componentAntithrombin
propertyRelCCnc  =  Relative Catalytic Concentration
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemPPP  =  Platelet poor plasma
scaleQn  =  Quantitative:  The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256
methodChromo.no addition of heparin

Additional Names

short nameAT III PPP Chromo.no added heparin

Basic Attributes

classCOAG
type1  Laboratory
order vs. observationObservation
example UCUM units%
The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org)
example unit%

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

History/Usage

first released
last updated2.65
last change typeADD  - added

Related Names

Anti thrombin
Antithrm
Antithrombin III
Antithrombn
Anti-Xa
AT
AT III
ATIII
Chromo.no added heparin
Chromogenic assay
COAGULATION
ENZY
Enzymatic assay
Hematology
Heme
Heparin cofactor I
Plas
Platelet poor plasma
Point in time
QNT
Quan
Quant
Quantitative
Random
RlCCnc
Thrombin inhibitor I

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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