LOINCActiveBoth

LOINC Code 33989-5: quiNINE induced platelet Ab Ql (S)

33989-5 is a LOINC code used to identify quiNINE induced platelet Ab 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 quiNINE induced platelet Ab. 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 quiNINE induced platelet 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

  • quiNINE induced platelet Ab [Presence] in Serum
  • quiNINE induced platelet Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Circulating platelet ab; ind plt Ab; Ordinal; Pl; Platelet ab.free; Platelet auto-antibodies; Platelets; Platelt; Plt; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; Serum; SR; Thrombocyte; Thrombocytes

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

quiNINE induced platelet Ab Ql (S)quiNINE induced platelet Ab [Presence] in SerumquiNINE ind plt Ab Ser QlquiNINE induced platelet AbSEROquiNINE induced platelet antibody, BloodPrThr

Frequently asked questions

Code details

Code33989-5
SystemLOINC
Display namequiNINE induced platelet Ab Ql (S)
DescriptionquiNINE induced platelet Ab
Short namequiNINE ind plt Ab Ser Ql
ComponentquiNINE induced platelet Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.70

Consumer names

quiNINE induced platelet antibody, Blood

Part names

quiNINE induced platelet AbPrThrPtSerOrdPresence or ThresholdPoint 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.

LOINC Code 33989-5 | HealthAssure