What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCOrder

LOINC Code 109513-2: Platelet associated IgG (Bld) [Measurement]

Name: LOINC Code 109513-2: Platelet associated IgG (Bld) [Measurement]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:21.042Z

109513-2 is a LOINC code used to identify Platelet associated IgG (Bld) [Measurement] 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 Platelet associated Ab.IgG. It is commonly used with the system or sample type Bld.

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 Platelet associated Ab.IgG. It is commonly used with the system or sample type Bld.

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: TRIAL
Order vs observation: Order

What it does not mean

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

Key facts

Platelet associated IgG Ab [Measurement] in Blood

Platelet associated Ab.IgG

This term is intended to collate similar measurements for the LOINC SNOMED CT Collaboration in an ontological view. Additionally, it can be used to communicate a laboratory order, either alone or in combination with specimen or other information in the order. It may NOT be used to report back the measured patient value. [https//lo.inc/ce2mb6]

ABS; Aby; Antby; Anti; Antibodies; Antibody; Assoc; Autoantibodies; Autoantibody; Blood; Direct platelet antibody; Immune globulin G; Immunoglobulin G; Lab orders; Msmt; PA; PAIgG; Pl; Platelet auto-antibodies; Platelets; Platelt; Plt; Thrombocyte; Thrombocytes; WB; Whole blood

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

Platelet associated IgG (Bld) [Measurement]Platelet associated IgG Ab [Measurement] in BloodPA IgG Msmt BldPlatelet associated Ab.IgGLABORDERS.ONTOLOGYPlatelet associated IgG antibody, Blood{Measurement}

Frequently asked questions

Code details

Code109513-2

SystemLOINC

Display namePlatelet associated IgG (Bld) [Measurement]

DescriptionPlatelet associated Ab.IgG

Short namePA IgG Msmt Bld

ComponentPlatelet associated Ab.IgG

Property{Measurement}

Timing-

System (specimen)Bld

Scale-

ClassLABORDERS.ONTOLOGY

StatusTRIAL

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.81

Last changed2.81

Consumer names

Platelet associated IgG antibody, Blood

Part names

Platelet associated Ab.IgG{Measurement}-BldPlatelet Associated IgGMeasurementBlood

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.