LOINCActiveBoth

LOINC Code 11564-2: Intrinsic factor Ab Qn (S)

11564-2 is a LOINC code used to identify Intrinsic factor 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 Intrinsic factor 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 Intrinsic factor 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

  • Intrinsic factor Ab [Units/volume] in Serum
  • Intrinsic factor Ab
  • ABS; Absorbing intrinsic; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Fac; Fact; Hematology; Heme; IF; 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

Intrinsic factor Ab Qn (S)Intrinsic factor Ab [Units/volume] in SerumIF Ab Ser-aCncIntrinsic factor AbSEROIntrinsic factor antibody, BloodACnc

Frequently asked questions

Code details

Code11564-2
SystemLOINC
Display nameIntrinsic factor Ab Qn (S)
DescriptionIntrinsic factor Ab
Short nameIF Ab Ser-aCnc
ComponentIntrinsic factor Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Intrinsic factor antibody, Blood

Part names

Intrinsic factor AbACncPtSerQnItrinsic factor AbArbitrary 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 11564-2 | HealthAssure