LOINCActiveBoth

LOINC Code 101827-4: Urate crystals (24H U) [Saturation fraction]

101827-4 is a LOINC code used to identify Urate crystals (24H U) [Saturation fraction] 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 Urate crystals. It is commonly used with the system or sample type Urine.

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 Urate crystals. It is commonly used with the system or sample type Urine.

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

  • Urate crystals [Saturation Fraction] in 24 hour Urine
  • Urate crystals
  • 1 day; 24 hours; 24HR; Chemistry; Crys; Cryst; Crystal; Percent; QNT; Quan; Quant; Quantitative; Relative Supersaturation; RS; Saturation Fraction; UA; UR; Urates; Uric acid; Urn

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

Urate crystals (24H U) [Saturation fraction]Urate crystals [Saturation Fraction] in 24 hour UrineUrate cry 24h SatFr UrUrate crystalsCHEMUrate crystals, UrineSatFr

Frequently asked questions

Code details

Code101827-4
SystemLOINC
Display nameUrate crystals (24H U) [Saturation fraction]
DescriptionUrate crystals
Short nameUrate cry 24h SatFr Ur
ComponentUrate crystals
PropertySatFr
Timing24H
System (specimen)Urine
ScaleQn
ClassCHEM
Example unitskJ/mol
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.75
Last changed2.76

Consumer names

Urate crystals, Urine

Part names

Urate crystalsSatFr24HUrineQnSaturation Fraction24 hours

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 101827-4 | HealthAssure