LOINCActiveBoth

LOINC Code 11610-3: Heterophile Ab Qn (S)

11610-3 is a LOINC code used to identify Heterophile 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 Heterophile 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 Heterophile 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

  • Heterophile Ab [Units/volume] in Serum
  • Heterophile Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Epstein-Barr virus; Hetero; Heteroph; Hetr; ID; Infectious Disease; InfectiousDisease; Microbiology; Mono screen; Mono slide; Mono spot; Mono test; Mononucleosis screen; Mononucleosis test; Monospot; 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

Heterophile Ab Qn (S)Heterophile Ab [Units/volume] in SerumHeteroph Ab Ser-aCncHeterophile AbMICROHeterophile antibody, BloodACnc

Frequently asked questions

Code details

Code11610-3
SystemLOINC
Display nameHeterophile Ab Qn (S)
DescriptionHeterophile Ab
Short nameHeteroph Ab Ser-aCnc
ComponentHeterophile Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

Heterophile antibody, Blood

Part names

Heterophile 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 11610-3 | HealthAssure