LOINCActiveObservation

LOINC Code 32784-1: Mean peroxidase activity index Ql (Bld)

32784-1 is a LOINC code used to identify Mean peroxidase activity index 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 Mean peroxidase activity index. 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 Mean peroxidase activity index. 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

What it does not mean

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

Key facts

  • Mean peroxidase activity index [Presence] in Blood
  • Mean peroxidase activity index
  • Reflects the mean peroxidase staining of neutrophils as measured in the peroxidase channel of an automated instrument.
  • Activ; Actvty; Average; Avg; Blood; HEMATOLOGY/CELL COUNTS; Movements; MPXI; Ordinal; Peroxdse; POD; 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

Mean peroxidase activity index Ql (Bld)Mean peroxidase activity index [Presence] in BloodMPXI Bld QlMean peroxidase activity indexHEM/BCMean peroxidase activity index, BloodPrThr

Frequently asked questions

Code details

Code32784-1
SystemLOINC
Display nameMean peroxidase activity index Ql (Bld)
DescriptionMean peroxidase activity index
Short nameMPXI Bld Ql
ComponentMean peroxidase activity index
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.56

Consumer names

Mean peroxidase activity index, Blood

Part names

Mean peroxidase activity indexPrThrPtBldOrdPresence or ThresholdPoint 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 32784-1 | HealthAssure