LOINCActiveBoth

LOINC Code 29967-7: Neutrophil cytoplasmic IgG IF (S) [Titer]

29967-7 is a LOINC code used to identify Neutrophil cytoplasmic IgG IF (S) [Titer] 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 Neutrophil cytoplasmic Ab.IgG. It is commonly used with the system or sample type Ser.

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 Neutrophil cytoplasmic Ab.IgG. 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: IF

What it does not mean

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

Key facts

  • Neutrophil cytoplasmic IgG Ab [Titer] in Serum by Immunofluorescence
  • Neutrophil cytoplasmic Ab.IgG
  • ABS; Aby; ACIF; ACNA; ACPA; ANCA; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Cytopl; Cytoplas; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; Granulocyte ab; Granulocyte nucleus ab; IFA; Immune fluorescence; Immune globulin G; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; Neut; Neutr; Neutrophils; PMN; PNM; Point in time; Random; Serology; Serum; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; Ttr; Vasculitis

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

Neutrophil cytoplasmic IgG IF (S) [Titer]Neutrophil cytoplasmic IgG Ab [Titer] in Serum by ImmunofluorescenceANCA IgG Titr Ser IFNeutrophil cytoplasmic Ab.IgGSERONeutrophil cytoplasmic IgG antibody, BloodTitr

Frequently asked questions

Code details

Code29967-7
SystemLOINC
Display nameNeutrophil cytoplasmic IgG IF (S) [Titer]
DescriptionNeutrophil cytoplasmic Ab.IgG
Short nameANCA IgG Titr Ser IF
ComponentNeutrophil cytoplasmic Ab.IgG
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIF
ClassSERO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.75

Consumer names

Neutrophil cytoplasmic IgG antibody, Blood

Part names

Neutrophil cytoplasmic Ab.IgGTitrPtSerSemiQnIFNeutrophil cytoplasmic IgGTiterPoint 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.