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LOINC Code 16263-6: Calcium oxalate dihydrate crystals Infrared spectroscopy Ql (Stone)

16263-6 is a LOINC code used to identify Calcium oxalate dihydrate 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 Calcium oxalate dihydrate 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 Calcium oxalate dihydrate 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

  • Calcium oxalate dihydrate crystals [Presence] in Stone by Infrared spectroscopy
  • Calcium oxalate dihydrate crystals
  • Ca; CaC2O4; CaC2O4.2H2O; Cal; Calc; Calculi; CaOx; Chemistry; COD Cry; Crys; Cryst; Crystal; Ethanedioate; Ethanedioic acid; Gastro; Gastroenterology; GI; Infared spectoscopy; IR; Kidney; Nephrology; Ordinal; Oxal; Oxalic acid; Point in time; PR; QL; Qual; Qualitative; Random; Renal; Screen; Stn; Stone; Stones; Weddellite

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

Calcium oxalate dihydrate crystals Infrared spectroscopy Ql (Stone)Calcium oxalate dihydrate crystals [Presence] in Stone by Infrared spectroscopyCOD Cry Stone Ql IRCalcium oxalate dihydrate crystalsCHEMCalcium oxalate dihydrate crystals, StonePrThr

Frequently asked questions

Code details

Code16263-6
SystemLOINC
Display nameCalcium oxalate dihydrate crystals Infrared spectroscopy Ql (Stone)
DescriptionCalcium oxalate dihydrate crystals
Short nameCOD Cry Stone Ql IR
ComponentCalcium oxalate dihydrate 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

Calcium oxalate dihydrate crystals, Stone

Part names

Calcium oxalate dihydrate 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 16263-6 | HealthAssure