What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 94384-5: Amphiphysin IgG Line blot Ql (CSF)

Name: LOINC Code 94384-5: Amphiphysin IgG Line blot Ql (CSF)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:24.120Z

94384-5 is a LOINC code used to identify Amphiphysin IgG Line blot Ql (CSF) 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 Amphiphysin Ab.IgG. 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 Amphiphysin Ab.IgG. 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
Method: Line blot

What it does not mean

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

Key facts

Amphiphysin IgG Ab [Presence] in Cerebral spinal fluid by Line blot
Amphiphysin Ab.IgG
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; breast cancer; Cerebral spinal fluid; Cerebrospinal Fl; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Oncology; Ordinal; Paraneoplastic syndrome; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Stiff Man Syndrome

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

Amphiphysin IgG Line blot Ql (CSF)Amphiphysin IgG Ab [Presence] in Cerebral spinal fluid by Line blotAmphiphysin IgG CSF Ql Line blotAmphiphysin Ab.IgGSEROAmphiphysin IgG antibody, Spinal fluidPrThr

Frequently asked questions

Code details

Code94384-5

SystemLOINC

Display nameAmphiphysin IgG Line blot Ql (CSF)

DescriptionAmphiphysin Ab.IgG

Short nameAmphiphysin IgG CSF Ql Line blot

ComponentAmphiphysin Ab.IgG

PropertyPrThr

TimingPt

System (specimen)CSF

ScaleOrd

MethodLine blot

ClassSERO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.68

Last changed2.68

Consumer names

Amphiphysin IgG antibody, Spinal fluid

Part names

Amphiphysin Ab.IgGPrThrPtCSFOrdLine blotAmphiphysin IgGPresence or ThresholdPoint 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.