LOINCActiveBoth

LOINC Code 63194-5: Alfalfa IgG (S) [Mass/Vol]

63194-5 is a LOINC code used to identify Alfalfa IgG (S) [Mass/Vol] 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 Medicago sativa 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 Medicago sativa 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

  • Alfalfa IgG Ab [Mass/volume] in Serum
  • Medicago sativa Ab.IgG
  • ABS; Aby; Alfalfa; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Immune globulin G; Immunoglobulin G; Level; Lucerne; M sativa; Mass concentration; Medicago sative; Medick; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; w45

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

Alfalfa IgG (S) [Mass/Vol]Alfalfa IgG Ab [Mass/volume] in SerumAlfalfa IgG-mCncMedicago sativa Ab.IgGALLERGYAlfalfa IgG antibodyMCnc

Frequently asked questions

Code details

Code63194-5
SystemLOINC
Display nameAlfalfa IgG (S) [Mass/Vol]
DescriptionMedicago sativa Ab.IgG
Short nameAlfalfa IgG-mCnc
ComponentMedicago sativa Ab.IgG
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitsug/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.73

Consumer names

Alfalfa IgG antibody

Part names

Medicago sativa Ab.IgGMCncPtSerQnAlfalfa (Medicago sativa) IgGMass 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 63194-5 | HealthAssure