LOINCActiveBoth

LOINC Code 57762-7: CD55+CD59 cells Aggl Ql (Bld)

57762-7 is a LOINC code used to identify CD55+CD59 cells Aggl Ql (Bld) 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 Cells.CD55+CD59. It is commonly used with the system or sample type Bld.

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 Cells.CD55+CD59. It is commonly used with the system or sample type Bld.

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: Aggl

What it does not mean

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

Key facts

  • CD55+CD59 cells [Presence] in Blood by Agglutination
  • Cells.CD55+CD59
  • Agg; Agglut; Agglutination; Blood; CD55 Cells; CD55+CD59 cells; Cell; CELL MARKERS; Cellularity; DAF; Decay accelerating factor; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; WB; Whole blood

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

CD55+CD59 cells Aggl Ql (Bld)CD55+CD59 cells [Presence] in Blood by AgglutinationCD55+CD59 cells Bld Ql AgglCells.CD55+CD59CELLMARKCD55+CD59 cells, BloodPrThr

Frequently asked questions

Code details

Code57762-7
SystemLOINC
Display nameCD55+CD59 cells Aggl Ql (Bld)
DescriptionCells.CD55+CD59
Short nameCD55+CD59 cells Bld Ql Aggl
ComponentCells.CD55+CD59
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
MethodAggl
ClassCELLMARK
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.56

Consumer names

CD55+CD59 cells, Blood

Part names

Cells.CD55+CD59PrThrPtBldOrdAgglCD55+CD59 cellsPresence or ThresholdPoint in time (spot)BloodAgglutination

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 57762-7 | HealthAssure