LOINCActiveBoth

LOINC Code 22110-1: B. henselae IgG (S) [Titer]

22110-1 is a LOINC code used to identify B. henselae IgG (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 Bartonella henselae Ab.IgG. 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 Bartonella henselae Ab.IgG. 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

What it does not mean

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

Key facts

  • Bartonella henselae IgG Ab [Titer] in Serum
  • Bartonella henselae Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B henselae; Bacillary angiomaosis; Bacillary pelliosis; Cat Scratch Disease; Cat Scratch Fever; CSD; Dilution factor; Dilution Factor (Titer); ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; Point in time; R henselae; Random; Rochalimaea henselae; 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

B. henselae IgG (S) [Titer]Bartonella henselae IgG Ab [Titer] in SerumB henselae IgG Titr SerBartonella henselae Ab.IgGMICROBartonella henselae IgG antibody, BloodTitr

Frequently asked questions

Code details

Code22110-1
SystemLOINC
Display nameB. henselae IgG (S) [Titer]
DescriptionBartonella henselae Ab.IgG
Short nameB henselae IgG Titr Ser
ComponentBartonella henselae Ab.IgG
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Bartonella henselae IgG antibody, Blood

Part names

Bartonella henselae Ab.IgGTitrPtSerSemiQnBartonella henselae IgGTiterPoint in time (spot)Serum

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 22110-1 | HealthAssure