LOINCActiveObservation

LOINC Code 107589-4: Microscopic observation Acid fast stain.Kinyoun modified Nom (Syn fld)

107589-4 is a LOINC code used to identify Microscopic observation Acid fast stain.Kinyoun modified Nom (Syn fld) 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 Synv fld.

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 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: Acid fast stain.Kinyoun modified

What it does not mean

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

Key facts

  • Microscopic observation [Identifier] in Synovial fluid by Acid fast stain.Kinyoun modified
  • Observation
  • Acd; Acid fast Kiny Stn; Acid fast Mod Kiny Stn; Acid fast Stn; Acids; AFB stain; Identity or presence; Joint aspirate; Joint fld; Joint flu; Joint fluid; Microbiology; Nominal; Point in time; Random; SF; SNV; St; Stains; Stn; 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.

Common synonyms

Microscopic observation Acid fast stain.Kinyoun modified Nom (Syn fld)Microscopic observation [Identifier] in Synovial fluid by Acid fast stain.Kinyoun modifiedAcid fast Mod Kiny Stn SnvObservationMICROMicroscopic observation, Synovial fluidPrid

Frequently asked questions

Code details

Code107589-4
SystemLOINC
Display nameMicroscopic observation Acid fast stain.Kinyoun modified Nom (Syn fld)
DescriptionObservation
Short nameAcid fast Mod Kiny Stn Snv
ComponentObservation
PropertyPrid
TimingPt
System (specimen)Synv fld
ScaleNom
MethodAcid fast stain.Kinyoun modified
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.81
Last changed2.81

Consumer names

Microscopic observation, Synovial fluid

Part names

ObservationPridPtSynv fldNomAcid fast stain.Kinyoun modifiedPresence or IdentityPoint in time (spot)Synovial fluid

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 107589-4 | HealthAssure