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 86110-4: S. pneumoniae Danish type 4 IgG IA Qn (S)

Name: LOINC Code 86110-4: S. pneumoniae Danish type 4 IgG IA Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:14.636Z

86110-4 is a LOINC code used to identify S. pneumoniae Danish type 4 IgG IA Qn (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 Streptococcus pneumoniae Danish serotype 4 Ab.IgG. 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 Streptococcus pneumoniae Danish serotype 4 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: IA

What it does not mean

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

Key facts

Streptococcus pneumoniae Danish serotype 4 IgG Ab [Units/volume] in Serum by Immunoassay
Streptococcus pneumoniae Danish serotype 4 Ab.IgG
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; PCV13; PCV7; Pneu; pneum; Pneumo; Pneumococ; Pneumococcal; Pneumococcal pneumonia; Pneumococcus; Pneumon; Pneumonia; Point in time; PPSV23; QNT; Quan; Quant; Quantitative; Random; S pneum Da 4; S pneum Da 4 Ab; S pneum Da 4 IgG; S pneum Da type; S pneumo; S pneumoniae; Serum; Spn; SR; Strep; Strept; SUDS; U.S. serotype 4

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

S. pneumoniae Danish type 4 IgG IA Qn (S)Streptococcus pneumoniae Danish serotype 4 IgG Ab [Units/volume] in Serum by ImmunoassayS pneum Da 4 IgG Ser IA-aCncStreptococcus pneumoniae Danish serotype 4 Ab.IgGMICROStreptococcus pneumoniae Danish serotype 4 IgG antibody, BloodACnc

Frequently asked questions

Code details

Code86110-4

SystemLOINC

Display nameS. pneumoniae Danish type 4 IgG IA Qn (S)

DescriptionStreptococcus pneumoniae Danish serotype 4 Ab.IgG

Short nameS pneum Da 4 IgG Ser IA-aCnc

ComponentStreptococcus pneumoniae Danish serotype 4 Ab.IgG

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

MethodIA

ClassMICRO

Example unitsIU/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.61

Last changed2.73

Consumer names

Streptococcus pneumoniae Danish serotype 4 IgG antibody, Blood

Part names

Streptococcus pneumoniae Danish serotype 4 Ab.IgGACncPtSerQnIAStreptococcus pneumoniae Danish serotype 4 IgGArbitrary ConcentrationPoint in time (spot)SerumImmunoassay

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.