LOINCActiveBoth

LOINC Code 10658-3: Cyanobacterium identified LM Nom (Water)

10658-3 is a LOINC code used to identify Cyanobacterium identified LM Nom (Water) 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 Cyanobacterium. It is commonly used with the system or sample type Water.

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 Cyanobacterium. It is commonly used with the system or sample type Water.

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
  • Method: Microscopy.light

What it does not mean

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

Key facts

  • Cyanobacterium identified in Water by Light microscopy
  • Cyanobacterium
  • Acute cyanobacterial toxicosis; ID; Identity or presence; Infectious Disease; InfectiousDisease; LM; Micro; Microbiology; Micros; Microscopic; Nominal; Point in time; Random; Wat

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

Cyanobacterium identified LM Nom (Water)Cyanobacterium identified in Water by Light microscopyCyanobacterium Wat MicroCyanobacteriumMICROCyanobacterium test, WaterPrid

Frequently asked questions

Code details

Code10658-3
SystemLOINC
Display nameCyanobacterium identified LM Nom (Water)
DescriptionCyanobacterium
Short nameCyanobacterium Wat Micro
ComponentCyanobacterium
PropertyPrid
TimingPt
System (specimen)Water
ScaleNom
MethodMicroscopy.light
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.79

Consumer names

Cyanobacterium test, Water

Part names

CyanobacteriumPridPtWaterNomMicroscopy.lightPresence or IdentityPoint in time (spot)Light 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 10658-3 | HealthAssure