LOINCOrder

LOINC Code 109350-9: American house dust mite IgG (S) [Measurement]

109350-9 is a LOINC code used to identify American house dust mite IgG (S) [Measurement] 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 Dermatophagoides farinae 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 Dermatophagoides farinae 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: TRIAL
  • Order vs observation: Order

What it does not mean

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

Key facts

American house dust mite IgG Ab [Measurement] in Serum
Dermatophagoides farinae Ab.IgG
This term is intended to collate similar measurements for the LOINC SNOMED CT Collaboration in an ontological view. Additionally, it can be used to communicate a laboratory order, either alone or in combination with specimen or other information in the order. It may NOT be used to report back the measured patient value. [https//lo.inc/ce2mb6]
ABS; Aby; American house dust mite; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; D farinae; d002; d2; Dermatophagoides farianae; Gd2; HDM; House dust mite; Immune globulin G; Immunoglobulin G; Lab orders; Msmt; 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

American house dust mite IgG (S) [Measurement]American house dust mite IgG Ab [Measurement] in SerumD farinae IgG Msmt SerDermatophagoides farinae Ab.IgGLABORDERS.ONTOLOGYAmerican house dust mite IgG antibody, Blood{Measurement}

Frequently asked questions

Code details

Code109350-9
SystemLOINC
Display nameAmerican house dust mite IgG (S) [Measurement]
DescriptionDermatophagoides farinae Ab.IgG
Short nameD farinae IgG Msmt Ser
ComponentDermatophagoides farinae Ab.IgG
Property{Measurement}
Timing-
System (specimen)Ser
Scale-
ClassLABORDERS.ONTOLOGY
StatusTRIAL
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.81
Last changed2.81

Consumer names

American house dust mite IgG antibody, Blood

Part names

Dermatophagoides farinae Ab.IgG{Measurement}-SerAmerican house dust mite IgGMeasurementSerum

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 109350-9 | HealthAssure