LOINCActiveBoth

LOINC Code 13181-3: Bahia grass IgG Qn (S)

13181-3 is a LOINC code used to identify Bahia grass IgG 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 Paspalum notatum Ab.IgG. 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 Paspalum notatum Ab.IgG. 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

  • Bahia grass IgG Ab [Units/volume] in Serum
  • Paspalum notatum Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Bahia grass; g017; g17; Immune globulin G; Immunoglobulin G; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Bahia grass IgG Qn (S)Bahia grass IgG Ab [Units/volume] in SerumBahia grass IgG QnPaspalum notatum Ab.IgGALLERGYBahia grass IgG antibodyACnc

Frequently asked questions

Code details

Code13181-3
SystemLOINC
Display nameBahia grass IgG Qn (S)
DescriptionPaspalum notatum Ab.IgG
Short nameBahia grass IgG Qn
ComponentPaspalum notatum Ab.IgG
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.69

Consumer names

Bahia grass IgG antibody

Part names

Paspalum notatum Ab.IgGACncPtSerQnBahia grass (Paspalum notatum) IgGArbitrary 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 13181-3 | HealthAssure