LOINC Code 59421-8: N. meningitidis A+B+C+w135+Y Ag LA Ql (CSF)

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 serogroups A+B+C+w135+Y Ag. 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: LA

What it does not mean

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

Key facts

• Neisseria meningitidis serogroups A+B+C+w135+Y Ag [Presence] in Cerebral spinal fluid by Latex agglutination
• Neisseria meningitidis serogroups A+B+C+w135+Y Ag
• A,B; Antigen; Antigens; Cerebral spinal fluid; Cerebrospinal Fl; ID; Infectious Disease; InfectiousDisease; LAT; Latex agglutination; Mening; Meningid; Meningitis; Meningo; Meningococcal meningitis; Meningococcus; Microbiology; N men; N men sg A+B+C+W135+Y; N menigitidis; N meningitidis; Neuro; Neurology; Ordinal; Point in time; 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

Frequently asked questions