LOINCActiveOrder

LOINC Code 68502-4: T. pallidum IgG and IgM panel IF Ql (S)

68502-4 is a LOINC code used to identify T. pallidum IgG and IgM panel IF Ql (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 Treponema pallidum 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 Treponema pallidum 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
  • Method: IF

What it does not mean

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

Key facts

  • Treponema pallidum IgG and IgM panel - Serum Qualitative by Immunofluorescence
  • Treponema pallidum Ab.IgG & IgM panel
  • ACIF; Anticomplement Immunofluorescence; FA; Fluorescent antibody; Fluorescent treponemal antibody; Fluoresent; FTA-ABS; ID; IFA; Immune fluorescence; Immune globulin G; Immune globulin M; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Pan; PANEL.MICROBIOLOGY; Panl; Pnl; Point in time; QL; Qual; Qualitative; Random; Screen; Serum; SR; Syphilis; T palldm; T pallidum; T pallidum IgG+IgM Pnl; Time Resolved Fluorescence; Treponemal; TRF

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

T. pallidum IgG and IgM panel IF Ql (S)Treponema pallidum IgG and IgM panel - Serum Qualitative by ImmunofluorescenceT pallidum IgG+IgM Pnl Ser IFTreponema pallidum Ab.IgG & IgM panelPANEL.MICROTreponema pallidum Ab.IgG & IgM panel, Blood-

Frequently asked questions

Code details

Code68502-4
SystemLOINC
Display nameT. pallidum IgG and IgM panel IF Ql (S)
DescriptionTreponema pallidum Ab.IgG & IgM panel
Short nameT pallidum IgG+IgM Pnl Ser IF
ComponentTreponema pallidum Ab.IgG & IgM panel
Property-
TimingPt
System (specimen)Ser
ScaleOrd
MethodIF
ClassPANEL.MICRO
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.63

Consumer names

Treponema pallidum Ab.IgG & IgM panel, Blood

Part names

Treponema pallidum Ab.IgG & IgM panel-PtSerOrdIFTreponema pallidum IgG and IgM panelPoint in time (spot)SerumImmunofluorescence (IF)

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 68502-4 | HealthAssure