LOINCActiveOrder

LOINC Code 55161-4: B. pertussis IgA and IgG panel IA (S)

55161-4 is a LOINC code used to identify B. pertussis IgA and IgG panel IA (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 Bordetella pertussis Ab.IgA & IgG panel. 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 Ab.IgA & IgG panel. 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: Order
  • Panel type: Panel
  • Method: IA

What it does not mean

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

Key facts

  • Bordetella pertussis IgA and IgG panel - Serum by Immunoassay
  • Bordetella pertussis Ab.IgA & IgG panel
  • B pert; B pert IgA+IgG Pnl; B pertussis; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin A; Immune globulin G; Immunoglobulin A; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Pan; PANEL.MICROBIOLOGY; Panl; Pertussis; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; SUDS; 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 IgA and IgG panel IA (S)Bordetella pertussis IgA and IgG panel - Serum by ImmunoassayB pert IgA+IgG Pnl Ser IABordetella pertussis Ab.IgA & IgG panelPANEL.MICROBordetella pertussis IgA and IgG panel, Blood-

Frequently asked questions

Code details

Code55161-4
SystemLOINC
Display nameB. pertussis IgA and IgG panel IA (S)
DescriptionBordetella pertussis Ab.IgA & IgG panel
Short nameB pert IgA+IgG Pnl Ser IA
ComponentBordetella pertussis Ab.IgA & IgG panel
Property-
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassPANEL.MICRO
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.27
Last changed2.73

Consumer names

Bordetella pertussis IgA and IgG panel, Blood

Part names

Bordetella pertussis Ab.IgA & IgG panel-PtSerQnIABordetella pertussis IgA and IgG panelPoint 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 55161-4 | HealthAssure