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 11101-3: Bacteria LM.HPF (Syn fld) [#/Area]

Name: LOINC Code 11101-3: Bacteria LM.HPF (Syn fld) [#/Area]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

11101-3 is a LOINC code used to identify Bacteria LM.HPF (Syn fld) [#/Area] 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 Bacteria. It is commonly used with the system or sample type Synv fld.

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 Bacteria. It is commonly used with the system or sample type Synv fld.

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.HPF

What it does not mean

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

Key facts

Bacteria [#/area] in Synovial fluid by Microscopy high power field
Bacteria
#/area; Bact; ID; Infectious Disease; InfectiousDisease; Joint aspirate; Joint fld; Joint flu; Joint fluid; LM; Micro; Microbiology; Micros; Microscopic; Number areic; Point in time; QNT; Quan; Quant; Quantitative; Random; Rheum; Rheumatology; SF; SNV; Syn; Syn fl; Synov; Synovial fluid

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 Bacteria LM.HPF (Syn fld) [#/Area] (11101-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Bacteria LM.HPF (Syn fld) [#/Area]Bacteria [#/area] in Synovial fluid by Microscopy high power fieldBacteria Snv HPF-#/areaBacteriaMICROBacteria, Synovial fluidNaric

Frequently asked questions

Code details

Code11101-3

SystemLOINC

Display nameBacteria LM.HPF (Syn fld) [#/Area]

DescriptionBacteria

Short nameBacteria Snv HPF-#/area

ComponentBacteria

PropertyNaric

TimingPt

System (specimen)Synv fld

ScaleQn

MethodMicroscopy.light.HPF

ClassMICRO

Example units/HPF

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0j-a

Last changed2.73

Consumer names

Bacteria, Synovial fluid

Part names

BacteriaNaricPtSynv fldQnMicroscopy.light.HPFNumber Areic (per area)Point in time (spot)Synovial fluidMicroscopy high power field

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.