LOINCObservation

LOINC Code 15868-3: Mussel IgE RAST class (S)

15868-3 is a LOINC code used to identify Mussel IgE RAST class (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 Mussel Ab.IgE.RAST class. 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 Mussel Ab.IgE.RAST class. 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: DEPRECATED
  • Order vs observation: Observation

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Deprecated Blue mussel IgE Ab RAST class in Serum
  • Mussel Ab.IgE.RAST class
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; IgE RAST; Immune globulin E; Immunoglobulin E; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; 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

Mussel IgE RAST class (S)Deprecated Blue mussel IgE Ab RAST class in SerumDeprecated Mussel IgE RAST QlMussel Ab.IgE.RAST classALLERGYMussel allergy testACnc

Frequently asked questions

Code details

Code15868-3
SystemLOINC
Display nameMussel IgE RAST class (S)
DescriptionMussel Ab.IgE.RAST class
Short nameDeprecated Mussel IgE RAST Ql
ComponentMussel Ab.IgE.RAST class
PropertyACnc
TimingPt
System (specimen)Ser
ScaleOrd
ClassALLERGY
StatusDEPRECATED
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.36

Consumer names

Mussel allergy test

Part names

Mussel Ab.IgE.RAST classACncPtSerOrdArbitrary 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 15868-3 | HealthAssure