LOINCActiveOrder

LOINC Code 34955-5: WEEV IgG and IgM panel (CSF)

34955-5 is a LOINC code used to identify WEEV IgG and IgM panel (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 Western equine encephalitis virus Ab.IgG & IgM panel. 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 Western equine encephalitis virus Ab.IgG & IgM panel. 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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

  • Western equine encephalitis virus IgG and IgM panel - Cerebral spinal fluid
  • Western equine encephalitis virus Ab.IgG & IgM panel
  • Cerebral spinal fluid; Cerebrospinal Fl; Enc; Enceph; Encephalomyelitis; Equin; ID; Immune globulin G; Immune globulin M; Immunoglobulin G; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Pan; PANEL.MICROBIOLOGY; Panl; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Togavirus; WEE virus; WEEV; WEEV IgG+IgM Pnl; West

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

WEEV IgG and IgM panel (CSF)Western equine encephalitis virus IgG and IgM panel - Cerebral spinal fluidWEEV IgG+IgM Pnl CSFWestern equine encephalitis virus Ab.IgG & IgM panelPANEL.MICROWEEV IgG and IgM panel, Spinal fluid-

Frequently asked questions

Code details

Code34955-5
SystemLOINC
Display nameWEEV IgG and IgM panel (CSF)
DescriptionWestern equine encephalitis virus Ab.IgG & IgM panel
Short nameWEEV IgG+IgM Pnl CSF
ComponentWestern equine encephalitis virus Ab.IgG & IgM panel
Property-
TimingPt
System (specimen)CSF
ScaleQn
ClassPANEL.MICRO
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.11
Last changed2.42

Consumer names

WEEV IgG and IgM panel, Spinal fluid

Part names

Western equine encephalitis virus Ab.IgG & IgM panel-PtCSFQnWestern equine encephalitis virus IgG and IgM panelPoint 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 34955-5 | HealthAssure