LOINCActiveBoth

LOINC Code 106999-6: Treponema pallidum Ab.IgM band 257 IB Ql (S)

106999-6 is a LOINC code used to identify Treponema pallidum Ab.IgM band 257 IB 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.IgM band 257. 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.IgM band 257. 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: Both
  • Method: IB

What it does not mean

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

Key facts

  • Treponema pallidum Ab.IgM band 257 [Presence] in Serum by Immunoblot
  • Treponema pallidum Ab.IgM band 257
  • Bands; Blt; bnd; Immune blot; Immune globulin M; Immunobl; Immunoblot; Immunoglobulin M; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RIBA; Screen; Serum; SR; Syphilis; T palldm; T pallidum; T.pallidum Ab.IgM 257; Treponemal; WB; WBLOT; West blot; West blt; Western blot

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

Treponema pallidum Ab.IgM band 257 IB Ql (S)Treponema pallidum Ab.IgM band 257 [Presence] in Serum by ImmunoblotT.pallidum Ab.IgM 257 Ser Ql IBTreponema pallidum Ab.IgM band 257MICROTreponema pallidum Ab.IgM band 257, BloodPrThr

Frequently asked questions

Code details

Code106999-6
SystemLOINC
Display nameTreponema pallidum Ab.IgM band 257 IB Ql (S)
DescriptionTreponema pallidum Ab.IgM band 257
Short nameT.pallidum Ab.IgM 257 Ser Ql IB
ComponentTreponema pallidum Ab.IgM band 257
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIB
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Treponema pallidum Ab.IgM band 257, Blood

Part names

Treponema pallidum Ab.IgM band 257PrThrPtSerOrdIBPresence or ThresholdPoint in time (spot)SerumImmunoblot

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.