Albumin in CSF/Albumin in Serum or Plasma   1756-6

LOINC Code


LOINC code1756-6
nameAlbumin in CSF/Albumin in Serum or Plasma
descriptionThe albumin quotient (AQ; CSF albumin/serum or plasma albumin x 100) is an important measurement to quantify the blood-brain barrier function. Normal function of the AQ barrier depends on the age of the patient; in newborns, a higher permeability may be observed.
statusACTIVE

Fully-Specified Name

componentAlbumin.CSF/Albumin.SerPl
propertyRelRto  =  Relative 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.
systemSer/Plas+CSF
    Ser  =  Serum
    Plas  =  Plasma
    CSF  =  Cerebral spinal fluid
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 nameAlb CSF/SerPl

Basic Attributes

classCHEM
type1  Laboratory
order vs. observationBoth
formula (readable)([CSF albumin]/[serum or plasma albumin]) x 100
example UCUM units{ratio}
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 unitRatio

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.

Member of these Panels

72264-5Bilirubin excess and oxyhemoglobin and methemoglobin and xanthochromia and albumin quotient panel - Serum and CSF
55121-8Multiple sclerosis panel - Serum and CSF

History/Usage

test rank2790 of 2000 most commonly performed tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name
change reasonAdded specimen of serum to existing term since the albumin quotient (AQ) of csf/serum is comparable to AQ of csf/plasma.

Related Names

Alb
Alb CSF
Albumin CSF:SerPl
Albumin quotient
AQ
Cerebral spinal fluid
Cerebrospinal Fl
Chemistry
Pl
Plasma
Plsm
Point in time
Protein.albumin
Qalb
QNT
Quan
Quant
Quantitative
Random
Relative ratio
SerP
SerPl
SerPl+CSF
SerPlas
Serum
Serum or plasma
Spinal Fl
Spinal Fld
Spinal Flu
Spinal Fluid
SR

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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