LOINCActiveBoth

LOINC Code 8212-3: Opiates Screen Ql (Gast fld)

8212-3 is a LOINC code used to identify Opiates Screen Ql (Gast fld) 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 Opiates. It is commonly used with the system or sample type Gast fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Opiates. It is commonly used with the system or sample type Gast fld.

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: Both
  • Method: Screen

What it does not mean

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

Key facts

  • Opiates [Presence] in Gastric fluid by Screen method
  • Opiates
  • Addiction; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; GAST; Gastric contents; Gastric fluid; Heroin; Illicit; OP; Opi; Opiate; Ordinal; Point in time; PotentialForAbuse; PR; QL; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn

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

Opiates Screen Ql (Gast fld)Opiates [Presence] in Gastric fluid by Screen methodOpiates Gast Ql ScnOpiatesDRUG/TOXOpiates, Stomach fluidPrThr

Frequently asked questions

Code details

Code8212-3
SystemLOINC
Display nameOpiates Screen Ql (Gast fld)
DescriptionOpiates
Short nameOpiates Gast Ql Scn
ComponentOpiates
PropertyPrThr
TimingPt
System (specimen)Gast fld
ScaleOrd
MethodScreen
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.56

Consumer names

Opiates, Stomach fluid

Part names

OpiatesPrThrPtGast fldOrdScreenPresence or ThresholdPoint in time (spot)Gastric fluidToxicology 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.

LOINC Code 8212-3 | HealthAssure