LOINCActiveOrder

LOINC Code 91055-4: Drugs of abuse panel (Tiss)

91055-4 is a LOINC code used to identify Drugs of abuse panel (Tiss) 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 panel. It is commonly used with the system or sample type Tiss.

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 panel. It is commonly used with the system or sample type Tiss.

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

  • Drugs of abuse panel - Tissue
  • Drugs of abuse panel
  • DAU; Drug; DRUG/TOXICOLOGY; Drugs; Drugs of abuse Pnl; Pan; PANEL.DRUG & TOXICOLOGY; Panl; Pnl; Point in time; Random; Tissue; Tissue, unspecified

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 panel (Tiss)Drugs of abuse panel - TissueDrugs of abuse Pnl TissDrugs of abuse panelPANEL.DRUG/TOXDrugs of Abuse panel, Tissue-

Frequently asked questions

Code details

Code91055-4
SystemLOINC
Display nameDrugs of abuse panel (Tiss)
DescriptionDrugs of abuse panel
Short nameDrugs of abuse Pnl Tiss
ComponentDrugs of abuse panel
Property-
TimingPt
System (specimen)Tiss
Scale-
ClassPANEL.DRUG/TOX
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.65

Consumer names

Drugs of Abuse panel, Tissue

Part names

Drugs of abuse panel-PtTissPoint in time (spot)Tissue and Smears

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 91055-4 | HealthAssure