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.

LOINCActiveObservation

LOINC Code 33675-0: Microscopic observation Esterase stain.combined Nom (Specimen)

Name: LOINC Code 33675-0: Microscopic observation Esterase stain.combined Nom (Specimen)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:21.183Z

33675-0 is a LOINC code used to identify Microscopic observation Esterase stain.combined Nom (Specimen) 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 Observation. It is commonly used with the system or sample type XXX.

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 Observation. It is commonly used with the system or sample type XXX.

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: Esterase stain.combined

What it does not mean

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

Key facts

Microscopic observation [Identifier] in Specimen by Esterase stain.combined
Observation
CE Stn; CES; Double esterase stain; Identity or presence; Misc; Miscellaneous; Nominal; Other; Pathology; Point in time; Random; Spec; St; Stains; Stn; To be specified in another part of the message; Unspecified

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

Microscopic observation Esterase stain.combined Nom (Specimen)Microscopic observation [Identifier] in Specimen by Esterase stain.combinedCE Stn SpecObservationPATHMicroscopic observation, SpecimenPrid

Frequently asked questions

Code details

Code33675-0

SystemLOINC

Display nameMicroscopic observation Esterase stain.combined Nom (Specimen)

DescriptionObservation

Short nameCE Stn Spec

ComponentObservation

PropertyPrid

TimingPt

System (specimen)XXX

ScaleNom

MethodEsterase stain.combined

ClassPATH

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.09

Last changed2.78

Consumer names

Microscopic observation, Specimen

Part names

ObservationPridPtXXXNomEsterase stain.combinedPresence or IdentityPoint in time (spot)

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.