LOINCActiveBoth

LOINC Code 94351-4: PCA-2 IgG IF (S) [Titer]

94351-4 is a LOINC code used to identify PCA-2 IgG IF (S) [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.IgG. It is commonly used with the system or sample type Ser.

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.IgG. It is commonly used with the system or sample type Ser.

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
  • Method: IF

What it does not mean

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

Key facts

  • PCA-2 IgG Ab [Titer] in Serum by Immunofluorescence
  • Purkinje cell cytoplasmic type 2 Ab.IgG
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Cytopl; Cytoplas; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; IFA; II; Immune fluorescence; Immune globulin G; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; Neuro; Neurology; Oncology; Paraneoplastic syndrome; PCA-2; PCA-2 Ab; PCCA-2; Point in time; Purkinje cell cytoplasmic antibody; Purkinje cells; Random; Serology; Serum; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; 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 IgG IF (S) [Titer]PCA-2 IgG Ab [Titer] in Serum by ImmunofluorescencePCA-2 IgG Titr Ser IFPurkinje cell cytoplasmic type 2 Ab.IgGSEROPCA-2 IgG antibody, BloodTitr

Frequently asked questions

Code details

Code94351-4
SystemLOINC
Display namePCA-2 IgG IF (S) [Titer]
DescriptionPurkinje cell cytoplasmic type 2 Ab.IgG
Short namePCA-2 IgG Titr Ser IF
ComponentPurkinje cell cytoplasmic type 2 Ab.IgG
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIF
ClassSERO
Example unitsTiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.68
Last changed2.75

Consumer names

PCA-2 IgG antibody, Blood

Part names

Purkinje cell cytoplasmic type 2 Ab.IgGTitrPtSerSemiQnIFTiterPoint in time (spot)SerumImmunofluorescence (IF)

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 94351-4 | HealthAssure