LOINCActiveObservation

LOINC Code 88971-7: Mixed cellular casts (Urine sed) [#/Area]

88971-7 is a LOINC code used to identify Mixed cellular casts (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 Mixed cellular casts. 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 Mixed cellular casts. 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

What it does not mean

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

Key facts

  • Mixed cellular casts [#/area] in Urine sediment
  • Mixed cellular casts
  • #/area; Cast; Kidney; Mixed Cell Casts; 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

Mixed cellular casts (Urine sed) [#/Area]Mixed cellular casts [#/area] in Urine sedimentMixed Cell Casts #/area UrnSMixed cellular castsUAMixed cellular casts, Urine sedimentNaric

Frequently asked questions

Code details

Code88971-7
SystemLOINC
Display nameMixed cellular casts (Urine sed) [#/Area]
DescriptionMixed cellular casts
Short nameMixed Cell Casts #/area UrnS
ComponentMixed cellular casts
PropertyNaric
TimingPt
System (specimen)Urine sed
ScaleQn
ClassUA
Example units/LPF
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.64
Last changed2.64

Consumer names

Mixed cellular casts, Urine sediment

Part names

Mixed cellular castsNaricPtUrine 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.

LOINC Code 88971-7 | HealthAssure