What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 19618-8: N-desalkylflurazepam cutoff Screen (U) [Mass/Vol]

Name: LOINC Code 19618-8: N-desalkylflurazepam cutoff Screen (U) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:28.198Z

19618-8 is a LOINC code used to identify N-desalkylflurazepam cutoff Screen (U) [Mass/Vol] 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 N-desalkylflurazepam cutoff. 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 N-desalkylflurazepam cutoff. 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: Observation
Method: Screen

What it does not mean

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

Key facts

N-desalkylflurazepam cutoff [Mass/volume] in Urine for Screen method
N-desalkylflurazepam cutoff
CtO; Desalkyfluraz; Desalkylfluraz; Desalkylflurazepam; DRUG/TOXICOLOGY; Drugs; Flurazepam metabolite; Level; Mass concentration; norfludiazepam; Point in time; QNT; Quan; Quant; Quantitative; Random; Scn; Scr; Scrn; UA; UR; 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

N-desalkylflurazepam cutoff Screen (U) [Mass/Vol]N-desalkylflurazepam cutoff [Mass/volume] in Urine for Screen methodDesalkylfluraz CtO Ur Scn-mCncN-desalkylflurazepam cutoffDRUG/TOXN-desalkylflurazepam cutoff, UrineMCnc

Frequently asked questions

Code details

Code19618-8

SystemLOINC

Display nameN-desalkylflurazepam cutoff Screen (U) [Mass/Vol]

DescriptionN-desalkylflurazepam cutoff

Short nameDesalkylfluraz CtO Ur Scn-mCnc

ComponentN-desalkylflurazepam cutoff

PropertyMCnc

TimingPt

System (specimen)Urine

ScaleQn

MethodScreen

ClassDRUG/TOX

Example unitsng/mL

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.44

Consumer names

N-desalkylflurazepam cutoff, Urine

Part names

N-desalkylflurazepam cutoffMCncPtUrineQnScreenMass ConcentrationPoint in time (spot)Toxicology screen

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.