LOINCActiveObservation

LOINC Code 58738-6: Drugs of abuse (Mec) [Interp]

58738-6 is a LOINC code used to identify Drugs of abuse (Mec) [Interp] 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 Drugs of abuse. It is commonly used with the system or sample type Meconium.

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 Drugs of abuse. It is commonly used with the system or sample type Meconium.

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: Observation

What it does not mean

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

Key facts

  • Drugs of abuse [Interpretation] in Meconium
  • Drugs of abuse
  • Addiction; DAU; Drug; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Illicit; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Mec; Nominal; Point in time; PotentialForAbuse; Random

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

Drugs of abuse (Mec) [Interp]Drugs of abuse [Interpretation] in MeconiumDrugs of abuse Mec-ImpDrugs of abuseDRUG/TOXDrugs of Abuse, MeconiumImp

Frequently asked questions

Code details

Code58738-6
SystemLOINC
Display nameDrugs of abuse (Mec) [Interp]
DescriptionDrugs of abuse
Short nameDrugs of abuse Mec-Imp
ComponentDrugs of abuse
PropertyImp
TimingPt
System (specimen)Meconium
ScaleNom
ClassDRUG/TOX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.32
Last changed2.73

Consumer names

Drugs of Abuse, Meconium

Part names

Drugs of abuseImpPtMeconiumNomImpression/interpretation of studyPoint 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 58738-6 | HealthAssure