LOINCActiveObservation

LOINC Code 33019-1: Pseudocasts LM.LPF (Urine sed) [#/Area]

33019-1 is a LOINC code used to identify Pseudocasts LM.LPF (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 Pseudocasts. 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 Pseudocasts. 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
  • Method: Microscopy.light.LPF

What it does not mean

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

Key facts

  • Pseudocasts [#/area] in Urine sediment by Microscopy low power field
  • Pseudocasts
  • #/area; Kidney; LM; Micro; Micros; Microscopic; Nephrology; Number areic; Point in time; QNT; Quan; Quant; Quantitative; Random; Renal; 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

Pseudocasts LM.LPF (Urine sed) [#/Area]Pseudocasts [#/area] in Urine sediment by Microscopy low power fieldPseudocasts #/area UrnS LPFPseudocastsUAPseudocasts, Urine sedimentNaric

Frequently asked questions

Code details

Code33019-1
SystemLOINC
Display namePseudocasts LM.LPF (Urine sed) [#/Area]
DescriptionPseudocasts
Short namePseudocasts #/area UrnS LPF
ComponentPseudocasts
PropertyNaric
TimingPt
System (specimen)Urine sed
ScaleQn
MethodMicroscopy.light.LPF
ClassUA
Example units/LPF
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.70

Consumer names

Pseudocasts, Urine sediment

Part names

PseudocastsNaricPtUrine sedQnMicroscopy.light.LPFNumber Areic (per area)Point in time (spot)Urine sedimentMicroscopy low power field

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 33019-1 | HealthAssure