LOINCActiveBoth

LOINC Code 105108-5: RBC (Urine sed) [#/Vol]

105108-5 is a LOINC code used to identify RBC (Urine sed) [#/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 Erythrocytes. 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 Erythrocytes. 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

  • Erythrocytes [#/volume] in Urine sediment
  • Erythrocytes
  • #; ABS; absolute; absolutes; Cnt; Count; Count/volume; CT; Discocytes; Erthrocyte; Erythrocyte; Number concentration; Number Concentration (count/vol); Point in time; QNT; Quan; Quant; Quantitative; Random; RBC; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; UA; UR; URINALYSIS; Urine sediment; Urn; UrnS

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

RBC (Urine sed) [#/Vol]Erythrocytes [#/volume] in Urine sedimentRBC # UrnSErythrocytesUARed Blood Cell (RBC) Count, Urine sedimentNCnc

Frequently asked questions

Code details

Code105108-5
SystemLOINC
Display nameRBC (Urine sed) [#/Vol]
DescriptionErythrocytes
Short nameRBC # UrnS
ComponentErythrocytes
PropertyNCnc
TimingPt
System (specimen)Urine sed
ScaleQn
ClassUA
Example units10*6/uL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Red Blood Cell (RBC) Count, Urine sediment

Part names

ErythrocytesNCncPtUrine sedQnNumber ConcentrationPoint 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 105108-5 | HealthAssure