LOINC

LOINC Code 16743-7: Nordiazepam Ql

16743-7 is a LOINC code used to identify Nordiazepam Ql 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 Nordiazepam. It is commonly used with the system or sample type Ser/Plas.

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 Nordiazepam. It is commonly used with the system or sample type Ser/Plas.

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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated Nordiazepam [Presence] in Serum or Plasma
  • Nordiazepam
  • Arbitrary concentration; Calmday; Chlordiazepoxide metabolite; Desmethyldiazepam; Diazepam metabolite; Dimethyldiazepam; DRUG/TOXICOLOGY; Drugs; Madar; n-dimethyldiazepam; Nordaz; Nordazepam; Nordiaze; Ordinal; Pl; Plasma; Plsm; Point in time; Praxadium; Prazepam metabolite; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Stilny; Tranxilium N; Vegesan

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

Nordiazepam QlDeprecated Nordiazepam [Presence] in Serum or PlasmaDeprecated Nordiazepam SerPl QlNordiazepamDRUG/TOXNordiazepam, BloodACnc

Frequently asked questions

Code details

Code16743-7
SystemLOINC
Display nameNordiazepam Ql
DescriptionNordiazepam
Short nameDeprecated Nordiazepam SerPl Ql
ComponentNordiazepam
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleOrd
ClassDRUG/TOX
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.36

Consumer names

Nordiazepam, Blood

Part names

NordiazepamACncPtSer/PlasOrdArbitrary ConcentrationPoint in time (spot)Serum or Plasma

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 16743-7 | HealthAssure