LOINCActiveBoth

LOINC Code 30500-3: Phosphatidylserine IgA Ql (S)

30500-3 is a LOINC code used to identify Phosphatidylserine IgA 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 Phosphatidylserine Ab.IgA. 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 Phosphatidylserine 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

What it does not mean

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

Key facts

  • Phosphatidylserine IgA Ab [Presence] in Serum
  • Phosphatidylserine Ab.IgA
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; aPS; Autoantibodies; Autoantibody; COAGULATION; Hematology; Heme; Immune globulin A; Immunoglobulin A; Ordinal; Phosphatidyl serine; Point in time; PR; PS; Ql; Qual; Qualitative; Random; Screen; 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

Phosphatidylserine IgA Ql (S)Phosphatidylserine IgA Ab [Presence] in SerumPS IgA Ser QlPhosphatidylserine Ab.IgACOAGPhosphatidylserine IgA antibody, BloodPrThr

Frequently asked questions

Code details

Code30500-3
SystemLOINC
Display namePhosphatidylserine IgA Ql (S)
DescriptionPhosphatidylserine Ab.IgA
Short namePS IgA Ser Ql
ComponentPhosphatidylserine Ab.IgA
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassCOAG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.73

Consumer names

Phosphatidylserine IgA antibody, Blood

Part names

Phosphatidylserine Ab.IgAPrThrPtSerOrdPhosphatidylserine IgAPresence 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 30500-3 | HealthAssure