LOINCActiveBoth

LOINC Code 7663-8: Redwood Dust IgE Qn (S)

7663-8 is a LOINC code used to identify Redwood Dust IgE Qn (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 Sequoia spp dust Ab.IgE. 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 Sequoia spp dust Ab.IgE. 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: ACTIVE
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Redwood Dust IgE Ab [Units/volume] in Serum
  • Sequoia spp dust Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; Redwood; Redwood Dust; Serum; SR

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

Redwood Dust IgE Qn (S)Redwood Dust IgE Ab [Units/volume] in SerumRedwood Dust IgE QnSequoia spp dust Ab.IgEALLERGYRedwood dust allergy testACnc

Frequently asked questions

Code details

Code7663-8
SystemLOINC
Display nameRedwood Dust IgE Qn (S)
DescriptionSequoia spp dust Ab.IgE
Short nameRedwood Dust IgE Qn
ComponentSequoia spp dust Ab.IgE
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitskIU/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.42

Consumer names

Redwood dust allergy test

Part names

Sequoia spp dust Ab.IgEACncPtSerQnRedwood Dust (Sequoia spp dust) IgEArbitrary ConcentrationPoint 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.

LOINC Code 7663-8 | HealthAssure