LOINCActiveBoth

LOINC Code 29842-2: Powassan virus IgG Ql (CSF)

29842-2 is a LOINC code used to identify Powassan virus IgG 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 Powassan virus Ab.IgG. It is commonly used with the system or sample type CSF.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Powassan virus 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

What it does not mean

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

Key facts

  • Powassan virus IgG Ab [Presence] in Cerebral spinal fluid
  • Powassan virus Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Ordinal; Point in time; POWV; PR; QL; Qual; Qualitative; Random; Screen; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid

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

Powassan virus IgG Ql (CSF)Powassan virus IgG Ab [Presence] in Cerebral spinal fluidPOWV IgG CSF QlPowassan virus Ab.IgGMICROPowassan virus IgG antibody, Spinal fluidPrThr

Frequently asked questions

Code details

Code29842-2
SystemLOINC
Display namePowassan virus IgG Ql (CSF)
DescriptionPowassan virus Ab.IgG
Short namePOWV IgG CSF Ql
ComponentPowassan virus Ab.IgG
PropertyPrThr
TimingPt
System (specimen)CSF
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.56

Consumer names

Powassan virus IgG antibody, Spinal fluid

Part names

Powassan virus Ab.IgGPrThrPtCSFOrdPowassan virus 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.

LOINC Code 29842-2 | HealthAssure