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 40710-6: C. trachomatis IgM IA Ql (S)

Name: LOINC Code 40710-6: C. trachomatis IgM IA Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:27.146Z

40710-6 is a LOINC code used to identify C. trachomatis IgM IA Ql (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 Chlamydia trachomatis Ab.IgM. 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 Chlamydia trachomatis Ab.IgM. 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

Chlamydia trachomatis IgM Ab [Presence] in Serum by Immunoassay
Chlamydia trachomatis Ab.IgM
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; C trac; C trach; C tracho; C trachomatis; Chlam; Chlam trac; Chlamid; CT; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; LGV; Lymphogranuloma venereum; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; SUDS; Trachoma

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. trachomatis IgM IA Ql (S)Chlamydia trachomatis IgM Ab [Presence] in Serum by ImmunoassayC trach IgM Ser Ql IAChlamydia trachomatis Ab.IgMMICROChlamydia trachomatis IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code40710-6

SystemLOINC

Display nameC. trachomatis IgM IA Ql (S)

DescriptionChlamydia trachomatis Ab.IgM

Short nameC trach IgM Ser Ql IA

ComponentChlamydia trachomatis Ab.IgM

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodIA

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.56

Consumer names

Chlamydia trachomatis IgM antibody, Blood

Part names

Chlamydia trachomatis Ab.IgMPrThrPtSerOrdIAChlamydia trachomatis IgMPresence or ThresholdPoint 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.