LOINCActiveBoth

LOINC Code 670-0: Microscopic observation Methenamine silver nitrate stain Nom (Specimen)

670-0 is a LOINC code used to identify Microscopic observation Methenamine silver nitrate stain 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: Both
  • Method: Methenamine silver nitrate stain

What it does not mean

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

Key facts

  • Microscopic observation [Identifier] in Specimen by Methenamine silver nitrate stain
  • Observation
  • Grocott-Gomoris; ID; Identity or presence; Infectious Disease; InfectiousDisease; Meth; Microbiology; Misc; Miscellaneous; MS Nitrate Stn; Nominal; Other; Point in time; Random; Silv Nitrate Stn; 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 Methenamine silver nitrate stain Nom (Specimen)Microscopic observation [Identifier] in Specimen by Methenamine silver nitrate stainMS Nitrate Stn SpecObservationMICROMicroscopic observation, SpecimenPrid

Frequently asked questions

Code details

Code670-0
SystemLOINC
Display nameMicroscopic observation Methenamine silver nitrate stain Nom (Specimen)
DescriptionObservation
Short nameMS Nitrate Stn Spec
ComponentObservation
PropertyPrid
TimingPt
System (specimen)XXX
ScaleNom
MethodMethenamine silver nitrate stain
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.78

Consumer names

Microscopic observation, Specimen

Part names

ObservationPridPtXXXNomMethenamine silver nitrate stainPresence 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.

LOINC Code 670-0 | HealthAssure