LOINCActiveObservation

LOINC Code 42636-1: Urease 3 Hr post incubation Ql (Tiss)

42636-1 is a LOINC code used to identify Urease 3 Hr post incubation 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 Urease^3H post incubation. It is commonly used with the system or sample type Tiss.

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 Urease^3H post incubation. 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: Observation

What it does not mean

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

Key facts

  • Urease [Presence] in Tissue --3 hours post incubation
  • Urease^3H post incubation
  • 3h p Inc; After; CLO test; Clotest; Gastro; Gastroenterology; GI; Helicobacter pylori biopsy test; Microbiology; Ordinal; Point in time; PR; PST; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, unspecified

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

Urease 3 Hr post incubation Ql (Tiss)Urease [Presence] in Tissue --3 hours post incubationUrease 3h p Inc Tiss QlUrease^3H post incubationMICROUrease 3 hr after Incubation, TissuePrThr

Frequently asked questions

Code details

Code42636-1
SystemLOINC
Display nameUrease 3 Hr post incubation Ql (Tiss)
DescriptionUrease^3H post incubation
Short nameUrease 3h p Inc Tiss Ql
ComponentUrease^3H post incubation
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.56

Consumer names

Urease 3 hr after Incubation, Tissue

Part names

Urease^3H post incubationPrThrPtTissOrdPresence 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 42636-1 | HealthAssure