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.

LOINCObservation

LOINC Code 15671-1: Arizona Cypress IgE RAST class (S)

Name: LOINC Code 15671-1: Arizona Cypress IgE RAST class (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:25.874Z

15671-1 is a LOINC code used to identify Arizona Cypress IgE RAST class (S) 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 Cupressus arizonica Ab.IgE.RAST class. It is commonly used with the system or sample type Ser.

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 Cupressus arizonica Ab.IgE.RAST class. It is commonly used with the system or sample type Ser.

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: DEPRECATED
Order vs observation: Observation

What it does not mean

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

Key facts

Deprecated Arizona Cypress IgE Ab RAST class [Presence] in Serum
Cupressus arizonica Ab.IgE.RAST class
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arizona cypress; Autoantibodies; Autoantibody; Cupressus glabra; IgE RAST; Immune globulin E; Immunoglobulin E; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rt222; Screen; Serum; SR; t222

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

Arizona Cypress IgE RAST class (S)Deprecated Arizona Cypress IgE Ab RAST class [Presence] in SerumDeprecated Arizona Cypress IgE RAST QlCupressus arizonica Ab.IgE.RAST classALLERGYArizona cypress allergy testPrThr

Frequently asked questions

Code details

Code15671-1

SystemLOINC

Display nameArizona Cypress IgE RAST class (S)

DescriptionCupressus arizonica Ab.IgE.RAST class

Short nameDeprecated Arizona Cypress IgE RAST Ql

ComponentCupressus arizonica Ab.IgE.RAST class

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

ClassALLERGY

StatusDEPRECATED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.75

Consumer names

Arizona cypress allergy test

Part names

Cupressus arizonica Ab.IgE.RAST classPrThrPtSerOrdPresence or ThresholdPoint in time (spot)Serum

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.