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 40973-0: S. pneumoniae Danish type 15B IgG (S) [Mass/Vol]

Name: LOINC Code 40973-0: S. pneumoniae Danish type 15B IgG (S) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:27.679Z

40973-0 is a LOINC code used to identify S. pneumoniae Danish type 15B IgG (S) [Mass/Vol] 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 15B 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 15B 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

What it does not mean

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

Key facts

Streptococcus pneumoniae Danish serotype 15B IgG Ab [Mass/volume] in Serum
Streptococcus pneumoniae Danish serotype 15B Ab.IgG
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Level; Mass concentration; Microbiology; Pneu; pneum; Pneumo; Pneumococ; Pneumococcal; Pneumococcal pneumonia; Pneumococcus; Pneumon; Pneumonia; Point in time; PPSV23; QNT; Quan; Quant; Quantitative; Random; S pneum Da 15 IgG; S pneum Da 15B; S pneum Da 15B Ab; S pneum Da type; S pneumo; S pneumoniae; Serum; Spn; SR; Strep; Strept; U.S. serotype 54

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 15B IgG (S) [Mass/Vol]Streptococcus pneumoniae Danish serotype 15B IgG Ab [Mass/volume] in SerumS pneum Da 15B IgG Ser-mCncStreptococcus pneumoniae Danish serotype 15B Ab.IgGMICROStreptococcus pneumoniae Danish serotype 15B IgG antibody, BloodMCnc

Frequently asked questions

Code details

Code40973-0

SystemLOINC

Display nameS. pneumoniae Danish type 15B IgG (S) [Mass/Vol]

DescriptionStreptococcus pneumoniae Danish serotype 15B Ab.IgG

Short nameS pneum Da 15B IgG Ser-mCnc

ComponentStreptococcus pneumoniae Danish serotype 15B Ab.IgG

PropertyMCnc

TimingPt

System (specimen)Ser

ScaleQn

ClassMICRO

Example unitsug/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.73

Consumer names

Streptococcus pneumoniae Danish serotype 15B IgG antibody, Blood

Part names

Streptococcus pneumoniae Danish serotype 15B Ab.IgGMCncPtSerQnStreptococcus pneumoniae Danish serotype 15B IgGMass ConcentrationPoint in time (spot)Serum

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.