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.

LOINCActiveBoth

LOINC Code 104180-5: C. tetani toxin Ql

Name: LOINC Code 104180-5: C. tetani toxin Ql
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:18.503Z

104180-5 is a LOINC code used to identify C. tetani toxin Ql 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 Clostridium tetani toxin. It is commonly used with the system or sample type Ser/Plas.

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 Clostridium tetani toxin. It is commonly used with the system or sample type Ser/Plas.

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: Endopeptidase Assay

What it does not mean

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

Key facts

Clostridium tetani toxin [Presence] in Serum or Plasma by Endopeptidase Assay
Clostridium tetani toxin
C tetani; C tetani Tox; c12; EA; Microbiology; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tet; Tetanus

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

C. tetani toxin QlClostridium tetani toxin [Presence] in Serum or Plasma by Endopeptidase AssayC tetani Tox SerPl Ql EAClostridium tetani toxinMICROClostridium tetani toxin, BloodPrThr

Frequently asked questions

Code details

Code104180-5

SystemLOINC

Display nameC. tetani toxin Ql

DescriptionClostridium tetani toxin

Short nameC tetani Tox SerPl Ql EA

ComponentClostridium tetani toxin

PropertyPrThr

TimingPt

System (specimen)Ser/Plas

ScaleOrd

MethodEndopeptidase Assay

ClassMICRO

Example unitsPrThr

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.77

Last changed2.77

Consumer names

Clostridium tetani toxin, Blood

Part names

Clostridium tetani toxinPrThrPtSer/PlasOrdEndopeptidase AssayPresence or ThresholdPoint in time (spot)Serum or Plasma

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.