What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 33864-0: Elastase.leukocyte (P) [Mass/Vol]

Name: LOINC Code 33864-0: Elastase.leukocyte (P) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

33864-0 is a LOINC code used to identify Elastase.leukocyte (P) [Mass/Vol] 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 Elastase.leukocyte. It is commonly used with the system or sample type Plas.

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 Elastase.leukocyte. It is commonly used with the system or sample type Plas.

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

Elastase.leukocyte [Mass/volume] in Plasma
Elastase.leukocyte
Chemistry; ELA; Elastase Leukocyte; Leuc; Leuk; Leukocyte elastase; Leukocytes; Level; Lkcs; Lysosomal elastase; Mass concentration; Neutrophil elastase; Pl; Plasma; Plsm; PMN Elastase; Point in time; QNT; Quan; Quant; Quantitative; Random; WBC; WBCs; White blood cell; White blood cells

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Elastase.leukocyte (P) [Mass/Vol] (33864-0)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Elastase.leukocyte (P) [Mass/Vol]Elastase.leukocyte [Mass/volume] in PlasmaElastase Leukocyte Plas-mCncElastase.leukocyteCHEMWhite blood cell elastase, BloodMCnc

Frequently asked questions

Code details

Code33864-0

SystemLOINC

Display nameElastase.leukocyte (P) [Mass/Vol]

DescriptionElastase.leukocyte

Short nameElastase Leukocyte Plas-mCnc

ComponentElastase.leukocyte

PropertyMCnc

TimingPt

System (specimen)Plas

ScaleQn

ClassCHEM

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.09

Last changed2.64

Consumer names

White blood cell elastase, Blood

Part names

Elastase.leukocyteMCncPtPlasQnMass ConcentrationPoint in time (spot)Plasma

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.