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LOINC Code 5241-5: Lymphocytic choriomeningitis virus Ab CF (S) [Titer]

5241-5 is a LOINC code used to identify Lymphocytic choriomeningitis virus Ab CF (S) [Titer] 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 Lymphocytic choriomeningitis virus Ab. It is commonly used with the system or sample type Ser.

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 Lymphocytic choriomeningitis virus Ab. It is commonly used with the system or sample type Ser.

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: Comp fix

What it does not mean

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

Key facts

  • Lymphocytic choriomeningitis virus Ab [Titer] in Serum by Complement fixation
  • Lymphocytic choriomeningitis virus Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CF; Comp fixation; Compfix; Complement fixation; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; LCMV; Microbiology; Point in time; Random; Serum; SmQn; SR; Titer; Titered; Titre; Ttr

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

Lymphocytic choriomeningitis virus Ab CF (S) [Titer]Lymphocytic choriomeningitis virus Ab [Titer] in Serum by Complement fixationLCMV Ab Titr Ser CFLymphocytic choriomeningitis virus AbMICROLymphocytic Choriomeningitis virus antibody, BloodTitr

Frequently asked questions

Code details

Code5241-5
SystemLOINC
Display nameLymphocytic choriomeningitis virus Ab CF (S) [Titer]
DescriptionLymphocytic choriomeningitis virus Ab
Short nameLCMV Ab Titr Ser CF
ComponentLymphocytic choriomeningitis virus Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodComp fix
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.75

Consumer names

Lymphocytic Choriomeningitis virus antibody, Blood

Part names

Lymphocytic choriomeningitis virus AbTitrPtSerSemiQnComp fixTiterPoint in time (spot)SerumComplement fixation

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.