LOINCActiveBoth

LOINC Code 8197-6: Cocaine Screen Ql (Unknown substance)

8197-6 is a LOINC code used to identify Cocaine Screen Ql (Unknown substance) 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 Cocaine. It is commonly used with the system or sample type Unk sub.

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 Cocaine. It is commonly used with the system or sample type Unk sub.

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

  • Cocaine [Presence] in Unknown substance by Screen method
  • Cocaine
  • Addiction; Benzoylmethylecgonine; Coke; Crack; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Ecgonine methyl ester benzoate; Illicit; Ordinal; Point in time; PotentialForAbuse; PR; QL; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn; Snow; Unknown substance; Usub

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

Cocaine Screen Ql (Unknown substance)Cocaine [Presence] in Unknown substance by Screen methodCocaine Usub Ql ScnCocaineDRUG/TOXCocaine, Unknown substancePrThr

Frequently asked questions

Code details

Code8197-6
SystemLOINC
Display nameCocaine Screen Ql (Unknown substance)
DescriptionCocaine
Short nameCocaine Usub Ql Scn
ComponentCocaine
PropertyPrThr
TimingPt
System (specimen)Unk sub
ScaleOrd
MethodScreen
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.73

Consumer names

Cocaine, Unknown substance

Part names

CocainePrThrPtUnk subOrdScreenPresence or ThresholdPoint in time (spot)Unknown substanceToxicology 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 8197-6 | HealthAssure