LOINC

LOINC Code 10550-2: Temazepam [Mass/Vol]

10550-2 is a LOINC code used to identify Temazepam [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 Temazepam. 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 Temazepam. 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 Temazepam [Mass/volume] in Serum or Plasma
  • Temazepam
  • DRUG/TOXICOLOGY; Drugs; Level; Mass concentration; Normison; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Restoril; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

Temazepam [Mass/Vol]Deprecated Temazepam [Mass/volume] in Serum or PlasmaDeprecated Temazepam SerPl-mCncTemazepamDRUG/TOXTemazepam, BloodMCnc

Frequently asked questions

Code details

Code10550-2
SystemLOINC
Display nameTemazepam [Mass/Vol]
DescriptionTemazepam
Short nameDeprecated Temazepam SerPl-mCnc
ComponentTemazepam
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassDRUG/TOX
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Temazepam, Blood

Part names

TemazepamMCncPtSer/PlasQnMass 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 10550-2 | HealthAssure