LOINCActiveObservation

LOINC Code 42192-5: Nidus Ql (Stone)

42192-5 is a LOINC code used to identify Nidus 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 Nidus. It is commonly used with the system or sample type Calculus.

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 Nidus. 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

What it does not mean

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

Key facts

  • Nidus [Presence] in Stone
  • Nidus
  • Calc; Calculi; Gastro; Gastroenterology; GI; Kidney; Nephrology; Ordinal; Pathology; Point in time; PR; QL; Qual; Qualitative; Random; Renal; Screen; Stn; Stone; Stones

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

Nidus Ql (Stone)Nidus [Presence] in StoneNidus Stone QlNidusPATHNidus, StonePrThr

Frequently asked questions

Code details

Code42192-5
SystemLOINC
Display nameNidus Ql (Stone)
DescriptionNidus
Short nameNidus Stone Ql
ComponentNidus
PropertyPrThr
TimingPt
System (specimen)Calculus
ScaleOrd
ClassPATH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.73

Consumer names

Nidus, Stone

Part names

NidusPrThrPtCalculusOrdPresence 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 42192-5 | HealthAssure