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LOINC Code 99463-2: Cashew+Pecan or Hickory nut+Walnut+Pistachio IgG (S) [Mass/Vol]

99463-2 is a LOINC code used to identify Cashew+Pecan or Hickory nut+Walnut+Pistachio 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 (Anacardium occidentale+Carya illinoinensis+Juglans spp+Pistacia vera) 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 (Anacardium occidentale+Carya illinoinensis+Juglans spp+Pistacia vera) 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

  • Food Allergen Mix 22 (Cashew+Pecan or Hickory nut+Walnut+Pistachio) IgG Ab [Mass/volume] in Serum
  • (Anacardium occidentale+Carya illinoinensis+Juglans spp+Pistacia vera) Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Carya pecan; Cashew; Cashew nut; f202; f203; f256; Food Allerg Mix22; fx22; Green almond; Hickory; Immune globulin G; Immunoglobulin G; Juglans sp; Level; Mass concentration; Pecan; Pecan/Hick; Pistachio; Point in time; QNT; Quan; Quant; Quantitative; Random; Rfx22; Serum; SR; Walnut; Walnuts

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

Cashew+Pecan or Hickory nut+Walnut+Pistachio IgG (S) [Mass/Vol]Food Allergen Mix 22 (Cashew+Pecan or Hickory nut+Walnut+Pistachio) IgG Ab [Mass/volume] in SerumFood Allerg Mix22 IgG-mCnc(Anacardium occidentale+Carya illinoinensis+Juglans spp+Pistacia vera) Ab.IgGALLERGYNut mix (Cashew, Pecan/Hickory, Walnut, Pistachio) IgG antibodyMCnc

Frequently asked questions

Code details

Code99463-2
SystemLOINC
Display nameCashew+Pecan or Hickory nut+Walnut+Pistachio IgG (S) [Mass/Vol]
Description(Anacardium occidentale+Carya illinoinensis+Juglans spp+Pistacia vera) Ab.IgG
Short nameFood Allerg Mix22 IgG-mCnc
Component(Anacardium occidentale+Carya illinoinensis+Juglans spp+Pistacia vera) Ab.IgG
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitsmg/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Consumer names

Nut mix (Cashew, Pecan/Hickory, Walnut, Pistachio) IgG antibody

Part names

(Anacardium occidentale+Carya illinoinensis+Juglans spp+Pistacia vera) Ab.IgGMCncPtSerQnMass 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.