LOINCActiveObservation

LOINC Code 53286-1: WBC casts Computer assisted (U) [#/Vol]

53286-1 is a LOINC code used to identify WBC casts Computer assisted (U) [#/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 Leukocyte 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 Leukocyte 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

  • WBC casts [#/volume] in Urine by Computer assisted method
  • Leukocyte casts
  • #; ABS; absolute; absolutes; Artificial Intelligence; Automated detection; Cast; Cnt; Comp Assist; Count; Count/volume; CT; Kidney; Leuc; Leuk; Leukocytes; Lkcs; Nephrology; Number concentration; Number Concentration (count/vol); Point in time; QNT; Quan; Quant; Quantitative; Random; Renal; UA; UR; URINALYSIS; Urn; WBC; WBC Casts; WBCs; White blood cell; White blood cells

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

WBC casts Computer assisted (U) [#/Vol]WBC casts [#/volume] in Urine by Computer assisted methodWBC Casts # Ur Comp AssistLeukocyte castsUAWhite blood cell casts, UrineNCnc

Frequently asked questions

Code details

Code53286-1
SystemLOINC
Display nameWBC casts Computer assisted (U) [#/Vol]
DescriptionLeukocyte casts
Short nameWBC Casts # Ur Comp Assist
ComponentLeukocyte casts
PropertyNCnc
TimingPt
System (specimen)Urine
ScaleQn
MethodComputer assisted
ClassUA
Example units/uL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.42

Consumer names

White blood cell casts, Urine

Part names

Leukocyte castsNCncPtUrineQnComputer assistedWBC castsNumber ConcentrationPoint 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 53286-1 | HealthAssure