LOINCActiveBoth

LOINC Code 46206-9: T. pallidum Ab Ql (S donor)

46206-9 is a LOINC code used to identify T. pallidum Ab Ql (S donor) 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. It is commonly used with the system or sample type Ser^Donor.

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. It is commonly used with the system or sample type Ser^Donor.

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

  • Treponema pallidum Ab [Presence] in Serum from Donor
  • Treponema pallidum Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Donr; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; Syphilis; T palldm; T pallidum; Treponemal

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 Ab Ql (S donor)Treponema pallidum Ab [Presence] in Serum from DonorT palldm Ab Ser Donr QlTreponema pallidum AbMICROTreponema pallidum antibody, Donor BloodPrThr

Frequently asked questions

Code details

Code46206-9
SystemLOINC
Display nameT. pallidum Ab Ql (S donor)
DescriptionTreponema pallidum Ab
Short nameT palldm Ab Ser Donr Ql
ComponentTreponema pallidum Ab
PropertyPrThr
TimingPt
System (specimen)Ser^Donor
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.82

Consumer names

Treponema pallidum antibody, Donor Blood

Part names

Treponema pallidum AbPrThrPtSer^DonorOrdPresence or ThresholdPoint in time (spot)

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 46206-9 | HealthAssure