LOINCActiveObservation

LOINC Code 50224-5: Epithelial casts Computer assisted Ql (U)

50224-5 is a LOINC code used to identify Epithelial casts Computer assisted Ql (U) 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 Epithelial casts. It is commonly used with the system or sample type Urine.

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 Epithelial casts. It is commonly used with the system or sample type Urine.

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
  • Method: Computer assisted

What it does not mean

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

Key facts

  • Epithelial casts [Presence] in Urine by Computer assisted method
  • Epithelial casts
  • Artificial Intelligence; Automated detection; Cast; Comp Assist; Epi; Epith; Epith Casts; Epithelia; Kidney; Nephrology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Renal; Screen; UA; UR; URINALYSIS; Urn

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

Epithelial casts Computer assisted Ql (U)Epithelial casts [Presence] in Urine by Computer assisted methodEpith Casts Ur Ql Comp AssistEpithelial castsUAEpithelial casts, UrinePrThr

Frequently asked questions

Code details

Code50224-5
SystemLOINC
Display nameEpithelial casts Computer assisted Ql (U)
DescriptionEpithelial casts
Short nameEpith Casts Ur Ql Comp Assist
ComponentEpithelial casts
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodComputer assisted
ClassUA
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.73

Consumer names

Epithelial casts, Urine

Part names

Epithelial castsPrThrPtUrineOrdComputer assistedPresence or ThresholdPoint in time (spot)Computer assisted method

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 50224-5 | HealthAssure