LOINCActiveBoth

LOINC Code 99365-9: Sheep milk IgG (S) [Mass/Vol]

99365-9 is a LOINC code used to identify Sheep milk 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 Sheep milk 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 Sheep milk 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

  • Sheep milk IgG Ab [Mass/volume] in Serum
  • Sheep milk Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; f325; f43; Immune globulin G; Immunoglobulin G; Level; Mass concentration; Ovine; Point in time; QNT; Quan; Quant; Quantitative; Random; Rf325; 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

Sheep milk IgG (S) [Mass/Vol]Sheep milk IgG Ab [Mass/volume] in SerumSheep Milk IgG-mCncSheep milk Ab.IgGALLERGYSheep milk IgG antibodyMCnc

Frequently asked questions

Code details

Code99365-9
SystemLOINC
Display nameSheep milk IgG (S) [Mass/Vol]
DescriptionSheep milk Ab.IgG
Short nameSheep Milk IgG-mCnc
ComponentSheep milk 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

Sheep milk IgG antibody

Part names

Sheep milk 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.

LOINC Code 99365-9 | HealthAssure