What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveOrder

LOINC Code 75814-4: Antihistamines panel Screen (S/P/U)

Name: LOINC Code 75814-4: Antihistamines panel Screen (S/P/U)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:56.383Z

75814-4 is a LOINC code used to identify Antihistamines panel Screen (S/P/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 Antihistamines panel. It is commonly used with the system or sample type Ser/Plas/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 Antihistamines panel. It is commonly used with the system or sample type Ser/Plas/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
Method: Screen

What it does not mean

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

Key facts

Antihistamines panel - Serum or Plasma or Urine by Screen method
Antihistamines panel
This panel contains terms to screen for antihistamine drugs in serum, blood, or urine. Screening indicates the presence of a drug or compound in a significant quantity to need confirmatory testing.
Antihistamine; Anti-histamine; Anti-histamines; Antihistamines Pnl; DRUG/TOXICOLOGY; Drugs; Pan; PANEL.DRUG & TOXICOLOGY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; Random; Scn; Scr; Scrn; Ser/Plas/Urn; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; 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

Antihistamines panel Screen (S/P/U)Antihistamines panel - Serum or Plasma or Urine by Screen methodAntihistamines Pnl Ser/Plas/Urn ScnAntihistamines panelPANEL.DRUG/TOXAntihistamines panel, Blood or urine-

Frequently asked questions

Code details

Code75814-4

SystemLOINC

Display nameAntihistamines panel Screen (S/P/U)

DescriptionAntihistamines panel

Short nameAntihistamines Pnl Ser/Plas/Urn Scn

ComponentAntihistamines panel

Property-

TimingPt

System (specimen)Ser/Plas/Urine

Scale-

MethodScreen

ClassPANEL.DRUG/TOX

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.50

Last changed2.50

Consumer names

Antihistamines panel, Blood or urine

Part names

Antihistamines panel-PtSer/Plas/UrineScreenPoint in time (spot)Serum or Plasma or UrineToxicology 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.