LOINCOrder

LOINC Code 109254-3: B. pertussis filamentous hemagglutinin IgM (S) [Measurement]

109254-3 is a LOINC code used to identify B. pertussis filamentous hemagglutinin IgM (S) [Measurement] 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 Bordetella pertussis.filamentous hemagglutinin Ab.IgM. 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 Bordetella pertussis.filamentous hemagglutinin Ab.IgM. 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: TRIAL
  • Order vs observation: Order

What it does not mean

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

Key facts

Bordetella pertussis filamentous hemagglutinin IgM Ab [Measurement] in Serum
Bordetella pertussis.filamentous hemagglutinin Ab.IgM
This term is intended to collate similar measurements for the LOINC SNOMED CT Collaboration in an ontological view. Additionally, it can be used to communicate a laboratory order, either alone or in combination with specimen or other information in the order. It may NOT be used to report back the measured patient value. [https//lo.inc/ce2mb6]
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B pert; B pert FHA; B pertussis; FHA; Filament; HA; Immune globulin M; Immunoglobulin M; Lab orders; Msmt; Pertussis; Serum; SR; Whooping cough

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. pertussis filamentous hemagglutinin IgM (S) [Measurement]Bordetella pertussis filamentous hemagglutinin IgM Ab [Measurement] in SerumB pert FHA IgM Msmt SerBordetella pertussis.filamentous hemagglutinin Ab.IgMLABORDERS.ONTOLOGYBordetella pertussis.filamentous hemagglutinin IgM antibody, Blood{Measurement}

Frequently asked questions

Code details

Code109254-3
SystemLOINC
Display nameB. pertussis filamentous hemagglutinin IgM (S) [Measurement]
DescriptionBordetella pertussis.filamentous hemagglutinin Ab.IgM
Short nameB pert FHA IgM Msmt Ser
ComponentBordetella pertussis.filamentous hemagglutinin Ab.IgM
Property{Measurement}
Timing-
System (specimen)Ser
Scale-
ClassLABORDERS.ONTOLOGY
StatusTRIAL
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.81
Last changed2.81

Consumer names

Bordetella pertussis.filamentous hemagglutinin IgM antibody, Blood

Part names

Bordetella pertussis.filamentous hemagglutinin Ab.IgM{Measurement}-SerBordetella pertussis filamentous hemagglutinin IgMMeasurementSerum

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.