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LOINC Code 11599-8: Coxsackievirus A21 Ab Qn (S)

11599-8 is a LOINC code used to identify Coxsackievirus A21 Ab 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 Coxsackievirus A21 Ab. 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 Coxsackievirus A21 Ab. 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

  • Coxsackievirus A21 Ab [Units/volume] in Serum
  • Coxsackievirus A21 Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; CAV; Coxsackie; Coxsackie virus; CV; CV A21; ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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

Coxsackievirus A21 Ab Qn (S)Coxsackievirus A21 Ab [Units/volume] in SerumCV A21 Ab Ser-aCncCoxsackievirus A21 AbMICROCoxsackievirus A21 antibody, BloodACnc

Frequently asked questions

Code details

Code11599-8
SystemLOINC
Display nameCoxsackievirus A21 Ab Qn (S)
DescriptionCoxsackievirus A21 Ab
Short nameCV A21 Ab Ser-aCnc
ComponentCoxsackievirus A21 Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.69

Consumer names

Coxsackievirus A21 antibody, Blood

Part names

Coxsackievirus A21 AbACncPtSerQnArbitrary 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.