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.

LOINC

LOINC Code 1053-8: I (intermediate) subtype RBC Aggl Ql (S/P donor)

Name: LOINC Code 1053-8: I (intermediate) subtype RBC Aggl Ql (S/P donor)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.134Z

1053-8 is a LOINC code used to identify I (intermediate) subtype RBC Aggl Ql (S/P donor) 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 I (int) subtype. It is commonly used with the system or sample type Ser/Plas^Donor.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 I (int) subtype. It is commonly used with the system or sample type Ser/Plas^Donor.

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: DEPRECATED
Method: Aggl RBC

What it does not mean

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

Key facts

Deprecated I (intermediate) subtype [Presence] in serum or plasma from donor
I (int) subtype
I(INT) is a rare phenotype characterized by intermediate strength of both I and i Ag on red cells
Agg; Agglut; Agglutination; Arbitrary Concentration; BLOOD BANK; Donr; Ordinal; Pl; Plasma; Plsm; Point in time; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

I (intermediate) subtype RBC Aggl Ql (S/P donor)Deprecated I (intermediate) subtype [Presence] in serum or plasma from donorDeprecated I (Int) Subtyp SerPl Donr QlI (int) subtypeBLDBKI (intermediate) subtype, Donor BloodACnc

Frequently asked questions

Code details

Code1053-8

SystemLOINC

Display nameI (intermediate) subtype RBC Aggl Ql (S/P donor)

DescriptionI (int) subtype

Short nameDeprecated I (Int) Subtyp SerPl Donr Ql

ComponentI (int) subtype

PropertyACnc

TimingPt

System (specimen)Ser/Plas^Donor

ScaleOrd

MethodAggl RBC

ClassBLDBK

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.40

Consumer names

I (intermediate) subtype, Donor Blood

Part names

I (int) subtypeACncPtSer/Plas^DonorOrdAggl RBCI (intermediate) subtypeArbitrary ConcentrationPoint in time (spot)Serum or Plasma^Donor

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.