LOINCActiveObservation

LOINC Code 53289-5: Mixed cellular casts Computer assisted (U) [#/Area]

53289-5 is a LOINC code used to identify Mixed cellular casts Computer assisted (U) [#/Area] 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 Mixed cellular 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 Mixed cellular 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

  • Mixed cellular casts [#/area] in Urine by Computer assisted method
  • Mixed cellular casts
  • #/area; Artificial Intelligence; Automated detection; Cast; Comp Assist; Kidney; Mixed Cell Casts; Nephrology; Number areic; Point in time; QNT; Quan; Quant; Quantitative; Random; Renal; 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

Mixed cellular casts Computer assisted (U) [#/Area]Mixed cellular casts [#/area] in Urine by Computer assisted methodMixed Cell Casts #/area Ur Comp AssistMixed cellular castsUAMixed cellular casts, UrineNaric

Frequently asked questions

Code details

Code53289-5
SystemLOINC
Display nameMixed cellular casts Computer assisted (U) [#/Area]
DescriptionMixed cellular casts
Short nameMixed Cell Casts #/area Ur Comp Assist
ComponentMixed cellular casts
PropertyNaric
TimingPt
System (specimen)Urine
ScaleQn
MethodComputer assisted
ClassUA
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.73

Consumer names

Mixed cellular casts, Urine

Part names

Mixed cellular castsNaricPtUrineQnComputer assistedNumber Areic (per area)Point 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 53289-5 | HealthAssure