LOINCActiveBoth

LOINC Code 20763-9: C. novyii Ag IF Ql (Tiss)

20763-9 is a LOINC code used to identify C. novyii Ag IF Ql (Tiss) 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 novyii Ag. It is commonly used with the system or sample type Tiss.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 novyii Ag. It is commonly used with the system or sample type Tiss.

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: IF

What it does not mean

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

Key facts

  • Clostridium novyii Ag [Presence] in Tissue by Immunofluorescence
  • Clostridium novyii Ag
  • ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; C novyii; DFA; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Time Resolved Fluorescence; Tissue; Tissue, unspecified; 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

C. novyii Ag IF Ql (Tiss)Clostridium novyii Ag [Presence] in Tissue by ImmunofluorescenceC novyii Ag Tiss Ql IFClostridium novyii AgMICROClostridium novyii antigen, TissuePrThr

Frequently asked questions

Code details

Code20763-9
SystemLOINC
Display nameC. novyii Ag IF Ql (Tiss)
DescriptionClostridium novyii Ag
Short nameC novyii Ag Tiss Ql IF
ComponentClostridium novyii Ag
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.56

Consumer names

Clostridium novyii antigen, Tissue

Part names

Clostridium novyii AgPrThrPtTissOrdIFPresence or ThresholdPoint in time (spot)Tissue and SmearsImmunofluorescence (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.