LOINC

LOINC Code 835-9: A variant subtype RBC Aggl Ql (RBC)

835-9 is a LOINC code used to identify A variant subtype RBC Aggl Ql (RBC) 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 A variant subtype. It is commonly used with the system or sample type RBC^Patient.

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 A variant subtype. It is commonly used with the system or sample type RBC^Patient.

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 A variant subtype Ab [Presence] in on Red Blood Cells
  • A variant subtype
  • A variant subtype present in varying strengths and amounts resulting in variant behavior
  • A Var Subtyp; Agg; Agglut; Agglutination; Arbitrary Concentration; BLOOD BANK; Erythrocytes; Ordinal; Point in time; QL; Qual; Qualitative; Random; Red blood cells; Red blood corpusles; Screen

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

A variant subtype RBC Aggl Ql (RBC)Deprecated A variant subtype Ab [Presence] in on Red Blood CellsDeprecated A Var Subtyp RBC Patient QlA variant subtypeBLDBKA variant subtype, Red blood cellsACnc

Frequently asked questions

Code details

Code835-9
SystemLOINC
Display nameA variant subtype RBC Aggl Ql (RBC)
DescriptionA variant subtype
Short nameDeprecated A Var Subtyp RBC Patient Ql
ComponentA variant subtype
PropertyACnc
TimingPt
System (specimen)RBC^Patient
ScaleOrd
MethodAggl RBC
ClassBLDBK
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.40

Consumer names

A variant subtype, Red blood cells

Part names

A variant subtypeACncPtRBC^PatientOrdAggl RBCArbitrary ConcentrationPoint in time (spot)

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 835-9 | HealthAssure