LOINCActiveBoth

LOINC Code 21464-3: Plasminogen activator urokinase type Ql (Tiss)

21464-3 is a LOINC code used to identify Plasminogen activator urokinase type Ql (Tiss) 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 urokinase type. It is commonly used with the system or sample type Tiss.

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 Plasminogen activator urokinase type. It is commonly used with the system or sample type Tiss.

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

  • Plasminogen activator urokinase type [Presence] in Tissue
  • Plasminogen activator urokinase type
  • COAGULATION; Hematology; Heme; Ordinal; PLG; PLGN; Point in time; PR; Profibrinolysin; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, unspecified; Tumor marker; uPA; U-PA; Urokinase

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

Plasminogen activator urokinase type Ql (Tiss)Plasminogen activator urokinase type [Presence] in TissueuPA Tiss QlPlasminogen activator urokinase typeCOAGPlasminogen activator urokinase type, TissuePrThr

Frequently asked questions

Code details

Code21464-3
SystemLOINC
Display namePlasminogen activator urokinase type Ql (Tiss)
DescriptionPlasminogen activator urokinase type
Short nameuPA Tiss Ql
ComponentPlasminogen activator urokinase type
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
ClassCOAG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Plasminogen activator urokinase type, Tissue

Part names

Plasminogen activator urokinase typePrThrPtTissOrdPresence or ThresholdPoint in time (spot)Tissue and Smears

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 21464-3 | HealthAssure