LOINC Home

{component}   LP432695-7

Laboratory   LP29693-6

Chemistry and Chemistry - challenge   LP343631-0

Chemistry - non-challenge   LP7786-9

Enzymes (see also Inborn errors metabolism lysosomal)   LP31392-1

Hypoxanthine phosphoribosyltransferase   LP15652-8

Hypoxanthine phosphoribosyltransferase | Red Blood Cells | Chemistry - non-challenge   LP383059-5

Hypoxanthine phosphoribosyltransferase/Adenine phosphoribosyltransferase [Enzymatic activity ratio] in Red Blood Cells   55893-2

LOINC Code


LOINC code55893-2
nameHypoxanthine phosphoribosyltransferase/Adenine phosphoribosyltransferase [Enzymatic activity ratio] in Red Blood Cells
statusACTIVE

Fully-Specified Name

componentHypoxanthine phosphoribosyltransferase/Adenine phosphoribosyltransferase
propertyCRto  =  Catalytic Ratio
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.
systemRBC  =  Erythrocytes
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
method

Additional Names

short nameHPRT/APRT RBC-cRto

Basic Attributes

classCHEM
type1  Laboratory
order vs. observationObservation

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 updated2.42
last change typeMIN  - change to field other than name

Related Names

Adenine transaminase
APRT
B4 Hemosan
Catalytic Concentration Ratio
Catalytic Ratio
CCrto
Chemistry
Enzymatic activity ratio
Erythrocytes
HGPRT
HPRT
hypoxanthine-guanine phosphoribosyltransferase
 Leuco-4
Point in time
QNT
Quan
Quant
Quantitative
Random
Red blood cells
Red blood corpusles
Vit B4
Vitamin B4

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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