What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 9537-2: Intrinsic factor blocking Ab RIA Ql (S)

Name: LOINC Code 9537-2: Intrinsic factor blocking Ab RIA Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

9537-2 is a LOINC code used to identify Intrinsic factor blocking Ab RIA Ql (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 blocking 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 blocking 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
Method: RIA

What it does not mean

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

Key facts

Intrinsic factor blocking Ab [Presence] in Serum by Radioimmunoassay (RIA)
Intrinsic factor blocking Ab
ABS; Absorbing intrinsic; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Chemistry; Fac; Fact; Hematology; Heme; IF; IF Block; Ordinal; Point in time; PR; QL; Qual; Qualitative; Radioimmunoassay; Random; Screen; Serum; SR; UniversalLabOrders

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Intrinsic factor blocking Ab RIA Ql (S) (9537-2)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Intrinsic factor blocking Ab RIA Ql (S)Intrinsic factor blocking Ab [Presence] in Serum by Radioimmunoassay (RIA)IF Block Ab Ser Ql RIAIntrinsic factor blocking AbCHEMIntrinsic factor blocking antibody, BloodPrThr

Frequently asked questions

Code details

Code9537-2

SystemLOINC

Display nameIntrinsic factor blocking Ab RIA Ql (S)

DescriptionIntrinsic factor blocking Ab

Short nameIF Block Ab Ser Ql RIA

ComponentIntrinsic factor blocking Ab

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodRIA

ClassCHEM

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0i

Last changed2.73

Consumer names

Intrinsic factor blocking antibody, Blood

Part names

intrinsic factor blocking AbPrThrPtSerOrdRIAPresence or ThresholdPoint in time (spot)SerumRadioimmunoassay (RIA)

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.