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.

LOINCActiveBoth

LOINC Code 5976-6: Plasminogen activator inhibitor 1 Chromogenic method (PPP) [Mass/Vol]

Name: LOINC Code 5976-6: Plasminogen activator inhibitor 1 Chromogenic method (PPP) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

5976-6 is a LOINC code used to identify Plasminogen activator inhibitor 1 Chromogenic method (PPP) [Mass/Vol] 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 Plasminogen activator inhibitor 1. It is commonly used with the system or sample type PPP.

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 Plasminogen activator inhibitor 1. It is commonly used with the system or sample type PPP.

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
Method: Chromo

What it does not mean

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

Key facts

Plasminogen activator inhibitor 1 [Mass/volume] in Platelet poor plasma by Chromogenic method
Plasminogen activator inhibitor 1
Chromogenic assay; COAGULATION; Endothelial cell type PA-I; ENZY; Enzymatic assay; Fast acting PAI; Hematology; Heme; i; Inhib; Inhibit; Level; Mass concentration; PAI; PAI 1; PAI1; PAI-1; PA-inhibitor; Plas; Platelet PAI; Platelet poor plasma; PLG; PLGN; Point in time; Profibrinolysin; QNT; Quan; Quant; Quantitative; Random; t-PA inhibitor

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Plasminogen activator inhibitor 1 Chromogenic method (PPP) [Mass/Vol] (5976-6)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Plasminogen activator inhibitor 1 Chromogenic method (PPP) [Mass/Vol]Plasminogen activator inhibitor 1 [Mass/volume] in Platelet poor plasma by Chromogenic methodPAI1 PPP Chro-mCncPlasminogen activator inhibitor 1COAGPlasminogen activator inhibitor 1, BloodMCnc

Frequently asked questions

Code details

Code5976-6

SystemLOINC

Display namePlasminogen activator inhibitor 1 Chromogenic method (PPP) [Mass/Vol]

DescriptionPlasminogen activator inhibitor 1

Short namePAI1 PPP Chro-mCnc

ComponentPlasminogen activator inhibitor 1

PropertyMCnc

TimingPt

System (specimen)PPP

ScaleQn

MethodChromo

ClassCOAG

Example unitsug/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0d

Last changed2.73

Consumer names

Plasminogen activator inhibitor 1, Blood

Part names

Plasminogen activator inhibitor 1MCncPtPPPQnChromoMass ConcentrationPoint in time (spot)Platelet poor plasmaChromogenic (Enzyme)

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.