Presumptive ABO group [Type] in Saliva (oral fluid) by Molecular genetics method   85504-9

LOINC Code


LOINC code85504-9
namePresumptive ABO group [Type] in Saliva (oral fluid) by Molecular genetics method
descriptionThe presumptive (predicted) ABO phenotype based on genetic analysis of the ABO gene. Hematopoietic stem cell transplant donor registries often collect samples from potential donors using buccal swabs or saliva as part of enrolling them in the registry. Because these samples do not contain fresh intact red blood cells (RBCs) and traditional serological ABO typing cannot be done, molecular typing is performed as part of the screening process to find an appropriate hematopoietic stem cell donor. Prior to transfusion or transplantation, the presumptive ABO result based on molecular typing must be confirmed using traditional serologic typing. This term was created for, but not limited in use to, the submitter's lab that performs sequence analysis of exons 6 and 7, at a minimum, in the ABO gene and predicts the ABO phenotype from the resulting DNA sequence.
statusACTIVE

Fully-Specified Name

componentABO group.presumptive
propertyType  =  Type:  The Property Type is used for assays that identify the specific analyte in cases when the baseline presence of the analyte is known.
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.
systemSaliva
scaleNom  =  Nominal:  Nominal or categorical responses that do not have a natural ordering. (e.g., names of bacteria, reported as answers, categories of appearance that do not have a natural ordering, such as, yellow, clear, bloody.
methodMolgen  =  Molecular Genetics:  General class of methods used to detect genetic attributes on a molecular basis including RFL, PCR and other methods.

Additional Names

short nameABO.presumptive Sal by Molgen

Basic Attributes

classBLDBK
type1  Laboratory
order vs. observationBoth

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 updated2.72
last change typeMIN  - change to field other than name

Related Names

ABO.presumptive
BLOOD BANK
Hematology
Heme
Molecular genetics
Nominal
Oral fluid
PCR
Point in time
Random
Sal
Typ

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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