LOINCActiveObservation

LOINC Code 16269-3: Urate crystals Infrared spectroscopy Ql (Stone)

16269-3 is a LOINC code used to identify Urate crystals Infrared spectroscopy Ql (Stone) 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 Calculus.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Calculus.

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: Infrared spectroscopy

What it does not mean

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

Key facts

  • Urate crystals [Presence] in Stone by Infrared spectroscopy
  • Urate crystals
  • Calc; Calculi; Chemistry; Crys; Cryst; Crystal; Gastro; Gastroenterology; GI; Infared spectoscopy; IR; Kidney; Nephrology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Renal; Screen; Stn; Stone; Stones; UA; Urates; Uric acid

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 Infrared spectroscopy Ql (Stone)Urate crystals [Presence] in Stone by Infrared spectroscopyUrate Cry Stone Ql IRUrate crystalsCHEMUrate crystals, StonePrThr

Frequently asked questions

Code details

Code16269-3
SystemLOINC
Display nameUrate crystals Infrared spectroscopy Ql (Stone)
DescriptionUrate crystals
Short nameUrate Cry Stone Ql IR
ComponentUrate crystals
PropertyPrThr
TimingPt
System (specimen)Calculus
ScaleOrd
MethodInfrared spectroscopy
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Urate crystals, Stone

Part names

Urate crystalsPrThrPtCalculusOrdInfrared spectroscopyPresence or ThresholdPoint in time (spot)Calculus (stone)

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 16269-3 | HealthAssure