LOINCOrder

LOINC Code 58433-4: Crystals panel (Urine sed)

58433-4 is a LOINC code used to identify Crystals panel (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 Crystals panel. 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 Crystals panel. 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: DISCOURAGED
  • Order vs observation: Order
  • Panel type: Panel

What it does not mean

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

Key facts

  • Crystals panel - Urine sediment
  • Crystals panel
  • Crys; Cryst; Crystal; Crystals Pnl; Pan; PANEL.URINALYSIS; Panl; Pnl; 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

Crystals panel (Urine sed)Crystals panel - Urine sedimentCrystals Pnl UrnSCrystals panelPANEL.UACrystals panel, Urine sediment-

Frequently asked questions

Code details

Code58433-4
SystemLOINC
Display nameCrystals panel (Urine sed)
DescriptionCrystals panel
Short nameCrystals Pnl UrnS
ComponentCrystals panel
Property-
TimingPt
System (specimen)Urine sed
ScaleQn
ClassPANEL.UA
StatusDISCOURAGED
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.30
Last changed2.61

Consumer names

Crystals panel, Urine sediment

Part names

Crystals panel-PtUrine sedQnPoint 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 58433-4 | HealthAssure