LOINCActiveObservation

LOINC Code 14982-3: A variant subtype Ab Ql

14982-3 is a LOINC code used to identify A variant subtype Ab Ql 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 A variant subtype Ab. It is commonly used with the system or sample type Ser/Plas.

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 A variant subtype Ab. It is commonly used with the system or sample type Ser/Plas.

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: Observation

What it does not mean

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

Key facts

  • A variant subtype Ab [Presence] in Serum or Plasma
  • A variant subtype Ab
  • Group of A variant subtypes defined on basis of absorption and elution studies and production or absence of anti-A. There is no A variant Ag; classic A Ag is present in varying strengths and amounts resulting in variant behavior
  • A Var Subtyp; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; BLOOD BANK; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

A variant subtype Ab QlA variant subtype Ab [Presence] in Serum or PlasmaA Var Subtyp Ab SerPl QlA variant subtype AbBLDBKA variant subtype antibody, BloodPrThr

Frequently asked questions

Code details

Code14982-3
SystemLOINC
Display nameA variant subtype Ab Ql
DescriptionA variant subtype Ab
Short nameA Var Subtyp Ab SerPl Ql
ComponentA variant subtype Ab
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
ClassBLDBK
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.56

Consumer names

A variant subtype antibody, Blood

Part names

A variant subtype AbPrThrPtSer/PlasOrdPresence or ThresholdPoint in time (spot)Serum or Plasma

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.

LOINC Code 14982-3 | HealthAssure