LOINCActiveObservation

LOINC Code 803-7: Toxic granules LM Ql (Bld)

803-7 is a LOINC code used to identify Toxic granules LM 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 Toxic granules. It is commonly used with the system or sample type Bld.

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 Toxic granules. 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: Observation
  • Method: Microscopy.light

What it does not mean

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

Key facts

  • Toxic granules [Presence] in Blood by Light microscopy
  • Toxic granules
  • Blood; Granule; HEMATOLOGY/CELL COUNTS; LM; Micro; Micros; Microscopic; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Toxic granulation; 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

Toxic granules LM Ql (Bld)Toxic granules [Presence] in Blood by Light microscopyToxic Granules Bld Ql SmearToxic granulesHEM/BCToxic granules, BloodPrThr

Frequently asked questions

Code details

Code803-7
SystemLOINC
Display nameToxic granules LM Ql (Bld)
DescriptionToxic granules
Short nameToxic Granules Bld Ql Smear
ComponentToxic granules
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
MethodMicroscopy.light
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Toxic granules, Blood

Part names

Toxic granulesPrThrPtBldOrdMicroscopy.lightPresence or ThresholdPoint in time (spot)BloodLight microscopy

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 803-7 | HealthAssure