LOINCActiveBoth

LOINC Code 29645-9: Echovirus+Coxsackievirus IgA IA Ql (S)

29645-9 is a LOINC code used to identify Echovirus+Coxsackievirus IgA 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 Echovirus+Coxsackievirus Ab.IgA. 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 Echovirus+Coxsackievirus Ab.IgA. 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

  • Echovirus+Coxsackievirus IgA Ab [Presence] in Serum by Immunoassay
  • Echovirus+Coxsackievirus Ab.IgA
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CAV; Coxsackie; Coxsackie virus; CV; CV Ab.IgA; Echo; Echo virus; ECV; ECV+CV; EIA; ELFA; ELISA; Enzyme immunoassay; EV; IAA; ID; Immune globulin A; Immunoglobulin A; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; SUDS

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

Echovirus+Coxsackievirus IgA IA Ql (S)Echovirus+Coxsackievirus IgA Ab [Presence] in Serum by ImmunoassayECV+CV IgA Ser Ql IAEchovirus+Coxsackievirus Ab.IgAMICROEchovirus+Coxsackievirus IgA antibody, BloodPrThr

Frequently asked questions

Code details

Code29645-9
SystemLOINC
Display nameEchovirus+Coxsackievirus IgA IA Ql (S)
DescriptionEchovirus+Coxsackievirus Ab.IgA
Short nameECV+CV IgA Ser Ql IA
ComponentEchovirus+Coxsackievirus Ab.IgA
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.56

Consumer names

Echovirus+Coxsackievirus IgA antibody, Blood

Part names

Echovirus+Coxsackievirus Ab.IgAPrThrPtSerOrdIAEchovirus+Coxsackievirus IgAPresence 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.