LOINCActiveObservation

LOINC Code 102340-7: Kentucky blue grass IgE RAST (S) [Presence]

102340-7 is a LOINC code used to identify Kentucky blue grass 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 Poa pratensis 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 Poa pratensis 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

  • Kentucky blue grass IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)
  • Poa pratensis Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; g008; g8; Immune globulin E; Immunoglobulin E; June blue grass; June grass; June Kentucky blue grass; Junegrass; Kent blue grass; Kentucky blue grass; Kentucky bluegrass; Meadow grass; Point in time; PR; Radioallergosorbent test; Random; 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

Kentucky blue grass IgE RAST (S) [Presence]Kentucky blue grass IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)Kent blue grass IgE RASTPoa pratensis Ab.IgEALLERGYKentucky blue grass allergy testPrThr

Frequently asked questions

Code details

Code102340-7
SystemLOINC
Display nameKentucky blue grass IgE RAST (S) [Presence]
DescriptionPoa pratensis Ab.IgE
Short nameKent blue grass IgE RAST
ComponentPoa pratensis 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

Kentucky blue grass allergy test

Part names

Poa pratensis Ab.IgEPrThrPtSerSemiQnRASTKentucky blue grass (Poa pratensis) 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 102340-7 | HealthAssure