LOINCActiveObservation

LOINC Code 88976-6: WBC casts (Urine sed) [#/Area]

88976-6 is a LOINC code used to identify WBC casts (Urine sed) [#/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 Leukocyte casts. It is commonly used with the system or sample type Urine sed.

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 sed.

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

  • WBC casts [#/area] in Urine sediment
  • Leukocyte casts
  • #/area; Cast; Kidney; Leuc; Leuk; Leukocytes; Lkcs; Nephrology; Number areic; Point in time; QNT; Quan; Quant; Quantitative; Random; Renal; UA; UR; URINALYSIS; Urine sediment; Urn; UrnS; 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 (Urine sed) [#/Area]WBC casts [#/area] in Urine sedimentWBC Casts #/area UrnSLeukocyte castsUAWhite blood cell casts, Urine sedimentNaric

Frequently asked questions

Code details

Code88976-6
SystemLOINC
Display nameWBC casts (Urine sed) [#/Area]
DescriptionLeukocyte casts
Short nameWBC Casts #/area UrnS
ComponentLeukocyte casts
PropertyNaric
TimingPt
System (specimen)Urine sed
ScaleQn
ClassUA
Example units/LPF
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.64
Last changed2.64

Consumer names

White blood cell casts, Urine sediment

Part names

Leukocyte castsNaricPtUrine sedQnWBC castsNumber Areic (per area)Point in time (spot)Urine sediment

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 88976-6 | HealthAssure