LOINCActiveBoth

LOINC Code 105896-5: Calcium oxalate crystals (Urine sed) [#/Area]

105896-5 is a LOINC code used to identify Calcium oxalate crystals (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 Calcium oxalate crystals. 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 Calcium oxalate crystals. 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

  • Calcium oxalate crystals [#/area] in Urine sediment
  • Calcium oxalate crystals
  • #/area; Ca; CaC2O4; Cal; CaOx; CaOx Cry; Crys; Cryst; Crystal; Ethanedioate; Ethanedioic acid; Number areic; Oxal; Oxalic acid; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Calcium oxalate crystals (Urine sed) [#/Area]Calcium oxalate crystals [#/area] in Urine sedimentCaOx Cry #/area UrnSCalcium oxalate crystalsUACalcium oxalate crystals, Urine sedimentNaric

Frequently asked questions

Code details

Code105896-5
SystemLOINC
Display nameCalcium oxalate crystals (Urine sed) [#/Area]
DescriptionCalcium oxalate crystals
Short nameCaOx Cry #/area UrnS
ComponentCalcium oxalate crystals
PropertyNaric
TimingPt
System (specimen)Urine sed
ScaleQn
ClassUA
Example units/[LPF]
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Calcium oxalate crystals, Urine sediment

Part names

Calcium oxalate crystalsNaricPtUrine sedQnNumber 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.