LOINCActiveBoth

LOINC Code 17333-6: N. meningitidis w135 Ag LA Ql

17333-6 is a LOINC code used to identify N. meningitidis w135 Ag LA Ql 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 Neisseria meningitidis serogroup w135 Ag. It is commonly used with the system or sample type Ser/Plas.

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 Neisseria meningitidis serogroup w135 Ag. It is commonly used with the system or sample type Ser/Plas.

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: LA

What it does not mean

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

Key facts

  • Neisseria meningitidis serogroup w135 Ag [Presence] in Serum or Plasma by Latex agglutination
  • Neisseria meningitidis serogroup w135 Ag
  • Antigen; Antigens; ID; Infectious Disease; InfectiousDisease; LAT; Latex agglutination; Mening; Meningid; Meningitis; Meningo; Meningococcal meningitis; Meningococcus; Microbiology; N men; N men serogroup; N men sg W135; N men sg w135 Ag; N menigitidis; N meningitidis; Neisseria meningitidis group w135; Neisseria meningitidis type w135; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

N. meningitidis w135 Ag LA QlNeisseria meningitidis serogroup w135 Ag [Presence] in Serum or Plasma by Latex agglutinationN men sg W135 Ag SerPl Ql LANeisseria meningitidis serogroup w135 AgMICRONeisseria meningitidis serogroup w135 antigen, BloodPrThr

Frequently asked questions

Code details

Code17333-6
SystemLOINC
Display nameN. meningitidis w135 Ag LA Ql
DescriptionNeisseria meningitidis serogroup w135 Ag
Short nameN men sg W135 Ag SerPl Ql LA
ComponentNeisseria meningitidis serogroup w135 Ag
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
MethodLA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.64

Consumer names

Neisseria meningitidis serogroup w135 antigen, Blood

Part names

Neisseria meningitidis serogroup w135 AgPrThrPtSer/PlasOrdLAPresence or ThresholdPoint in time (spot)Serum or PlasmaLatex agglutination

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 17333-6 | HealthAssure