LOINCActiveBoth

LOINC Code 31440-1: Intercalated disk Ab Qn (S)

31440-1 is a LOINC code used to identify Intercalated disk 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 Intercalated disk 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 Intercalated disk 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

  • Intercalated disk Ab [Units/volume] in Serum
  • Intercalated disk Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Intercal Dsk; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; 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

Intercalated disk Ab Qn (S)Intercalated disk Ab [Units/volume] in SerumIntercal Dsk Ab Ser-aCncIntercalated disk AbSEROIntercalated disk antibody, BloodACnc

Frequently asked questions

Code details

Code31440-1
SystemLOINC
Display nameIntercalated disk Ab Qn (S)
DescriptionIntercalated disk Ab
Short nameIntercal Dsk Ab Ser-aCnc
ComponentIntercalated disk Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.69

Consumer names

Intercalated disk antibody, Blood

Part names

Intercalated disk 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 31440-1 | HealthAssure