LOINCActiveBoth

LOINC Code 13834-7: Total IgE RAST SemiQn (S)

13834-7 is a LOINC code used to identify Total IgE RAST SemiQn (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 IgE.total. 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 IgE.total. 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
  • Method: RAST

What it does not mean

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

Key facts

  • Total IgE [Units/volume] in Serum by Radioallergosorbent test (RAST)
  • IgE.total
  • Allergen; Allergens; ALLERGY TESTING; Arbitrary Concentration; IgE Total; Immune globulin E; Immunoglobulin E; Point in time; Radioallergosorbent test; Random; Serum; SmQn; SR; Tot; Total IgE; Totl

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

Total IgE RAST SemiQn (S)Total IgE [Units/volume] in Serum by Radioallergosorbent test (RAST)Total IgE SmQn RASTIgE.totalALLERGYTotal IgEACnc

Frequently asked questions

Code details

Code13834-7
SystemLOINC
Display nameTotal IgE RAST SemiQn (S)
DescriptionIgE.total
Short nameTotal IgE SmQn RAST
ComponentIgE.total
PropertyACnc
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodRAST
ClassALLERGY
Example unitskIU/L;IU/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.75

Consumer names

Total IgE

Part names

IgE.totalACncPtSerSemiQnRASTTotal IgEArbitrary ConcentrationPoint in time (spot)SerumRadioallergosorbent test (RAST)

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 13834-7 | HealthAssure