LOINCActiveBoth

LOINC Code 105105-1: WBC Ql (Urine sed)

105105-1 is a LOINC code used to identify WBC Ql (Urine sed) 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 Leukocytes. 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 Leukocytes. 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: Both

What it does not mean

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

Key facts

  • Leukocytes [Presence] in Urine sediment
  • Leukocytes
  • Leuc; Leuk; Leukocyte; Lkcs; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; UA; UR; URINALYSIS; Urine sediment; Urn; UrnS; WBC; 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 Ql (Urine sed)Leukocytes [Presence] in Urine sedimentWBC UrnS QlLeukocytesUAWhite blood cell (WBC) count, Urine sedimentPrThr

Frequently asked questions

Code details

Code105105-1
SystemLOINC
Display nameWBC Ql (Urine sed)
DescriptionLeukocytes
Short nameWBC UrnS Ql
ComponentLeukocytes
PropertyPrThr
TimingPt
System (specimen)Urine sed
ScaleOrd
ClassUA
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.78

Consumer names

White blood cell (WBC) count, Urine sediment

Part names

LeukocytesPrThrPtUrine sedOrdPresence or ThresholdPoint 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 105105-1 | HealthAssure