LOINCActiveObservation

LOINC Code 102313-4: Horse Fly IgE RAST (S) [Presence]

102313-4 is a LOINC code used to identify Horse Fly IgE RAST (S) [Presence] 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 Tabanus spp 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 Tabanus spp 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: Observation
  • Method: RAST

What it does not mean

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

Key facts

  • Horse Fly IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)
  • Tabanus spp Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Horse fly; i204; Immune globulin E; Immunoglobulin E; Point in time; PR; Radioallergosorbent test; Random; Ri204; Serum; SmQn; 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

Horse Fly IgE RAST (S) [Presence]Horse Fly IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)Horse Fly IgE RASTTabanus spp Ab.IgEALLERGYHorse fly allergy testPrThr

Frequently asked questions

Code details

Code102313-4
SystemLOINC
Display nameHorse Fly IgE RAST (S) [Presence]
DescriptionTabanus spp Ab.IgE
Short nameHorse Fly IgE RAST
ComponentTabanus spp Ab.IgE
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodRAST
ClassALLERGY
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.75
Last changed2.75

Consumer names

Horse fly allergy test

Part names

Tabanus spp Ab.IgEPrThrPtSerSemiQnRASTHorse Fly (Tabanus spp) IgEPresence or ThresholdPoint 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 102313-4 | HealthAssure