What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveOrder

LOINC Code 55728-0: Yersinia sp IgG and IgM panel (S)

Name: LOINC Code 55728-0: Yersinia sp IgG and IgM panel (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:37.766Z

55728-0 is a LOINC code used to identify Yersinia sp IgG and IgM panel (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 Yersinia sp Ab.IgG & IgM 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 Yersinia sp Ab.IgG & IgM 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

What it does not mean

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

Key facts

Yersinia sp IgG and IgM panel - Serum
Yersinia sp Ab.IgG & IgM panel
ID; Immune globulin G; Immune globulin M; Immunoglobulin G; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Pan; PANEL.MICROBIOLOGY; Panl; Pnl; Point in time; Random; Serum; species; spp; SR; Yersinia sp IgG+IgM Pnl

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

Yersinia sp IgG and IgM panel (S)Yersinia sp IgG and IgM panel - SerumYersinia sp IgG+IgM Pnl SerYersinia sp Ab.IgG & IgM panelPANEL.MICROYersinia species IgG and IgM panel, Blood-

Frequently asked questions

Code details

Code55728-0

SystemLOINC

Display nameYersinia sp IgG and IgM panel (S)

DescriptionYersinia sp Ab.IgG & IgM panel

Short nameYersinia sp IgG+IgM Pnl Ser

ComponentYersinia sp Ab.IgG & IgM panel

Property-

TimingPt

System (specimen)Ser

Scale-

ClassPANEL.MICRO

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.27

Last changed2.44

Consumer names

Yersinia species IgG and IgM panel, Blood

Part names

Yersinia sp Ab.IgG & IgM panel-PtSerYersinia sp IgG and IgM panelPoint 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.