LOINCActiveBoth

LOINC Code 30040-0: D. immitis Ab Qn (S)

30040-0 is a LOINC code used to identify D. immitis Ab Qn (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 Dirofilaria immitis Ab. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Dirofilaria immitis Ab. 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

  • Dirofilaria immitis Ab [Units/volume] in Serum
  • Dirofilaria immitis Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; D immitis; Filariasis; Heartworm; ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

D. immitis Ab Qn (S)Dirofilaria immitis Ab [Units/volume] in SerumD immitis Ab Ser-aCncDirofilaria immitis AbMICRODirofilaria immitis antibody, BloodACnc

Frequently asked questions

Code details

Code30040-0
SystemLOINC
Display nameD. immitis Ab Qn (S)
DescriptionDirofilaria immitis Ab
Short nameD immitis Ab Ser-aCnc
ComponentDirofilaria immitis Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.69

Consumer names

Dirofilaria immitis antibody, Blood

Part names

Dirofilaria immitis AbACncPtSerQnArbitrary 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 30040-0 | HealthAssure