LOINCActiveBoth

LOINC Code 53913-0: Microscopic observation Rhodamine-auramine fluorochrome stain Nom (Syn fld)

53913-0 is a LOINC code used to identify Microscopic observation Rhodamine-auramine fluorochrome stain 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: Both
  • Method: Rhodamine-auramine fluorochrome stain

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 Rhodamine-auramine fluorochrome stain
  • Observation
  • AFB stain; Auramine stain; Auramine-Rhodamine stain; ID; Identity or presence; Infectious Disease; InfectiousDisease; Joint aspirate; Joint fld; Joint flu; Joint fluid; Microbiology; Nominal; Point in time; Random; Rheum; Rheumatology; Rhodamine-auramine Stn; 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 Rhodamine-auramine fluorochrome stain Nom (Syn fld)Microscopic observation [Identifier] in Synovial fluid by Rhodamine-auramine fluorochrome stainRhodamine-auramine Stn SnvObservationMICROMicroscopic observation, Synovial fluidPrid

Frequently asked questions

Code details

Code53913-0
SystemLOINC
Display nameMicroscopic observation Rhodamine-auramine fluorochrome stain Nom (Syn fld)
DescriptionObservation
Short nameRhodamine-auramine Stn Snv
ComponentObservation
PropertyPrid
TimingPt
System (specimen)Synv fld
ScaleNom
MethodRhodamine-auramine fluorochrome stain
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.26
Last changed2.78

Consumer names

Microscopic observation, Synovial fluid

Part names

ObservationPridPtSynv fldNomRhodamine-auramine fluorochrome stainPresence 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.