LOINCActiveObservation

LOINC Code 103030-3: Cottonwood IgG RAST [Presence]

103030-3 is a LOINC code used to identify Cottonwood IgG RAST [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 Populus deltoides Ab.IgG. It is commonly used with the system or sample type Ser/Plas.

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 Populus deltoides Ab.IgG. It is commonly used with the system or sample type Ser/Plas.

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

  • Cottonwood IgG Ab [Presence] in Serum or Plasma by Radioallergosorbent test (RAST)
  • Populus deltoides Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cottonwood; Immune globulin G; Immunoglobulin G; Pl; Plasma; Plsm; Point in time; PR; Radioallergosorbent test; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SmQn; SR; t014; t14

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

Cottonwood IgG RAST [Presence]Cottonwood IgG Ab [Presence] in Serum or Plasma by Radioallergosorbent test (RAST)Cottonwood IgG RASTPopulus deltoides Ab.IgGALLERGYCottonwood IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code103030-3
SystemLOINC
Display nameCottonwood IgG RAST [Presence]
DescriptionPopulus deltoides Ab.IgG
Short nameCottonwood IgG RAST
ComponentPopulus deltoides Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleSemiQn
MethodRAST
ClassALLERGY
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Cottonwood IgG antibody, Blood

Part names

Populus deltoides Ab.IgGPrThrPtSer/PlasSemiQnRASTCottonwood (Populus deltoides) IgGPresence or ThresholdPoint in time (spot)Serum or PlasmaRadioallergosorbent 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 103030-3 | HealthAssure