53712-6

LOINC Code


LOINC code53712-6
name
descriptionAntineuronal Nuclear Antibody (ANNA) Type 2 Cerebrospinal Fluid (CSF) Titer. This antibody recognizes a set of protein antigens of 55 and 80 kD found in neuronal cell nuclei. Patients usually present with signs of midbrain, brain stem, cerebellar and/or spinal cord dysfunction. Ocular opsoclonus-myoclonus may be a symptom. Para neoplastic opsoclonus, which is characterized by involuntary rapid movement of the eyes in both vertical and horizontal planes, is most often associated with breast cancer and SCLC (small lung cell carcinoma). The autoantibody has also been detected in patients with bladder and cervical cancer. Paraneoplastic syndromes are autoantibody-mediated neurologic disorders associated with underlying tumors. These syndromes arise when systemic tumors express antigens normally found only in neural tissues. Information from http://www.clinlabnavigator.com accessed 2008 14 02.
statusACTIVE

Fully-Specified Name

componentNeuronal nuclear type 2 Ab
propertyTitr  =  Dilution Factor (Titer)
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.
systemCSF  =  Cerebral spinal fluid
scaleSemiQn
method

Additional Names

short nameABS; Aby; ANNA 2; ANNA-2; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; Dilution factor; Dilution Factor (Titer); Hu; Hu2; II; Neuro; Neurology; Neuronal nuclear type II; Nuc; Paraneoplastic synd

Basic Attributes

classSERO
type1  Laboratory
order vs. observationHu2 Ab Titr CSF
example UCUM unitstiter
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)

Member of these Groups

LG8744-7Neuronal nuclear type 2 Ab|Titr|Pt|CSF

History/Usage

first released
last updated2.83
last change typeMIN  - change to field other than name
change reason{titer}

Related Names

N

Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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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