LOINCActiveBoth

LOINC Code 53830-6: CD55 deficient Granulocytes/Cells (Bld)

53830-6 is a LOINC code used to identify CD55 deficient Granulocytes/Cells (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 Granulocytes.CD55 deficient/Cells. 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 Granulocytes.CD55 deficient/Cells. 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

What it does not mean

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

Key facts

  • CD55 deficient Granulocytes/cells in Blood
  • Granulocytes.CD55 deficient/Cells
  • Blood; CD55 deficient Granulocytes; CD55 Granulocytes; Cell; CELL MARKERS; Cellularity; DAF; Decay accelerating factor; Gran; Grans; Granulocyte; Granulocytes; Number fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; 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 deficient Granulocytes/Cells (Bld)CD55 deficient Granulocytes/cells in BloodCD55 deficient Granulocytes NFr BldGranulocytes.CD55 deficient/CellsCELLMARKCD55 deficient granulocytes/cells, BloodNFr

Frequently asked questions

Code details

Code53830-6
SystemLOINC
Display nameCD55 deficient Granulocytes/Cells (Bld)
DescriptionGranulocytes.CD55 deficient/Cells
Short nameCD55 deficient Granulocytes NFr Bld
ComponentGranulocytes.CD55 deficient/Cells
PropertyNFr
TimingPt
System (specimen)Bld
ScaleQn
ClassCELLMARK
Example units%
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.26
Last changed2.79

Consumer names

CD55 deficient granulocytes/cells, Blood

Part names

Granulocytes.CD55 deficient/CellsNFrPtBldQnNumber FractionPoint in time (spot)Blood

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 53830-6 | HealthAssure