LOINCActiveObservation

LOINC Code 106743-8: Bacillus anthracis lethal factor Ab IA Ql (S)

106743-8 is a LOINC code used to identify Bacillus anthracis lethal factor Ab IA Ql (S) 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 Bacillus anthracis lethal factor Ab. It is commonly used with the system or sample type Ser.

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 Bacillus anthracis lethal factor 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: Observation
  • Method: IA

What it does not mean

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

Key facts

Bacillus anthracis lethal factor Ab [Presence] in Serum by Immunoassay
Bacillus anthracis lethal factor Ab
This term represents the assay which detects antibodies against the lethal factor component of the anthrax toxin produced by Bacillus anthracis. This assay is crucial for understanding immune responses to anthrax exposure, aiding in diagnosis of anthrax infection, and evaluating vaccine efficacy. It can be performed on serum and venous whole blood samples (using dipotassium EDTA, sodium citrate, or sodium heparin as anticoagulants) from individuals with signs and symptoms consistent with inhalation anthrax and a likelihood of exposure. [PMID30776143]
ABS; Aby; Antby; Anthrax; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B anthracis; B. anthracis LF; Charbon; EIA; ELFA; ELISA; Enzyme immunoassay; Fac; Fact; IAA; Malignant carbuncle; Malignant pustule; MEIA; Microbiology; Milzbrand; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; Splenic fever; SR; SUDS; Woolsorters disease

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

Bacillus anthracis lethal factor Ab IA Ql (S)Bacillus anthracis lethal factor Ab [Presence] in Serum by ImmunoassayB. anthracis LF Ab Ser Ql IABacillus anthracis lethal factor AbMICROBacillus anthracis lethal factor antibody, BloodPrThr

Frequently asked questions

Code details

Code106743-8
SystemLOINC
Display nameBacillus anthracis lethal factor Ab IA Ql (S)
DescriptionBacillus anthracis lethal factor Ab
Short nameB. anthracis LF Ab Ser Ql IA
ComponentBacillus anthracis lethal factor Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.79
Last changed2.79

Consumer names

Bacillus anthracis lethal factor antibody, Blood

Part names

Bacillus anthracis lethal factor AbPrThrPtSerOrdIAPresence or ThresholdPoint in time (spot)SerumImmunoassay

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 106743-8 | HealthAssure