LOINCActiveBoth

LOINC Code 35143-7: PCA-2 Ab (CSF) [Titer]

35143-7 is a LOINC code used to identify PCA-2 Ab (CSF) [Titer] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Purkinje cell cytoplasmic type 2 Ab. It is commonly used with the system or sample type CSF.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Purkinje cell cytoplasmic type 2 Ab. It is commonly used with the system or sample type CSF.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • PCA-2 Ab [Titer] in Cerebral spinal fluid
  • Purkinje cell cytoplasmic type 2 Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; Cytopl; Cytoplas; Dilution factor; Dilution Factor (Titer); II; Paraneoplastic syndrome; PCA-2; PCA-2 Ab; PCCA-2; Point in time; Purkinje cell cytoplasmic antibody; Purkinje cells; Random; Serology; SmQn; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Titer; Titered; Titre; Ttr

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

PCA-2 Ab (CSF) [Titer]PCA-2 Ab [Titer] in Cerebral spinal fluidPCA-2 Ab Titr CSFPurkinje cell cytoplasmic type 2 AbSEROPCA-2 antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code35143-7
SystemLOINC
Display namePCA-2 Ab (CSF) [Titer]
DescriptionPurkinje cell cytoplasmic type 2 Ab
Short namePCA-2 Ab Titr CSF
ComponentPurkinje cell cytoplasmic type 2 Ab
PropertyTitr
TimingPt
System (specimen)CSF
ScaleSemiQn
ClassSERO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.11
Last changed2.75

Consumer names

PCA-2 antibody, Spinal fluid

Part names

Purkinje cell cytoplasmic type 2 AbTitrPtCSFSemiQnPCA-2 AbTiterPoint in time (spot)Cerebral spinal fluid

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 35143-7 | HealthAssure