LOINCActiveBoth

LOINC Code 22865-0: B. anthracis Ab Immune diff (S) [Titer]

22865-0 is a LOINC code used to identify B. anthracis Ab Immune diff (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 Bacillus anthracis 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 Bacillus anthracis 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: Immune diffusion

What it does not mean

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

Key facts

  • Bacillus anthracis Ab [Titer] in Serum by Immune diffusion (ID)
  • Bacillus anthracis Ab
  • ABS; Aby; Antby; Anthrax; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B anthracis; Charbon; Dilution factor; Dilution Factor (Titer); ID; Imm; Immunodiff; Immunodiffusion; Imun; Imune; Infectious Disease; InfectiousDisease; Malignant carbuncle; Malignant pustule; Microbiology; Milzbrand; Point in time; Random; Serum; SmQn; Splenic fever; SR; Titer; Titered; Titre; Ttr; 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

B. anthracis Ab Immune diff (S) [Titer]Bacillus anthracis Ab [Titer] in Serum by Immune diffusion (ID)B anthracis Ab Titr Ser IDBacillus anthracis AbMICROBacillus anthracis antibody, BloodTitr

Frequently asked questions

Code details

Code22865-0
SystemLOINC
Display nameB. anthracis Ab Immune diff (S) [Titer]
DescriptionBacillus anthracis Ab
Short nameB anthracis Ab Titr Ser ID
ComponentBacillus anthracis Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodImmune diffusion
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Bacillus anthracis antibody, Blood

Part names

Bacillus anthracis AbTitrPtSerSemiQnImmune diffusionTiterPoint in time (spot)SerumImmune diffusion (ID)

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 22865-0 | HealthAssure