LOINCActiveOrder

LOINC Code 53746-4: Barbiturates panel (U)

53746-4 is a LOINC code used to identify Barbiturates panel (U) 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 Barbiturates panel. 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 Barbiturates panel. 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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

  • Barbiturates panel - Urine
  • Barbiturates panel
  • Barb; Barbiturate; Barbiturates Pnl; Barbs; DRUG/TOXICOLOGY; Drugs; Pan; PANEL.DRUG & TOXICOLOGY; Panl; Pnl; Point in time; Random; 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

Barbiturates panel (U)Barbiturates panel - UrineBarbiturates Pnl UrBarbiturates panelPANEL.DRUG/TOXBarbiturates panel, Urine-

Frequently asked questions

Code details

Code53746-4
SystemLOINC
Display nameBarbiturates panel (U)
DescriptionBarbiturates panel
Short nameBarbiturates Pnl Ur
ComponentBarbiturates panel
Property-
TimingPt
System (specimen)Urine
Scale-
ClassPANEL.DRUG/TOX
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.26
Last changed2.73

Consumer names

Barbiturates panel, Urine

Part names

Barbiturates panel-PtUrinePoint in time (spot)

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 53746-4 | HealthAssure