LOINCActiveBoth

LOINC Code 87971-8: Microscopic observation Gram stain Nom (Amn fld)

87971-8 is a LOINC code used to identify Microscopic observation Gram stain Nom (Amn 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 Amnio 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 Amnio 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: Gram stain

What it does not mean

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

Key facts

  • Microscopic observation [Identifier] in Amniotic fluid by Gram stain
  • Observation
  • AF; Amn; Amn fl; Amnio; Amniotic flu; Amniotic fluid; Gram Stn; Gyn; Gynecology; ID; Identity or presence; Infectious Disease; InfectiousDisease; Microbiology; Nominal; OB; ObGyn; Obstetrics; Point in time; Random; St; Stains; Stn

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 Gram stain Nom (Amn fld)Microscopic observation [Identifier] in Amniotic fluid by Gram stainGram Stn AmnObservationMICROMicroscopic observation, Amniotic fluidPrid

Frequently asked questions

Code details

Code87971-8
SystemLOINC
Display nameMicroscopic observation Gram stain Nom (Amn fld)
DescriptionObservation
Short nameGram Stn Amn
ComponentObservation
PropertyPrid
TimingPt
System (specimen)Amnio fld
ScaleNom
MethodGram stain
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.63
Last changed2.78

Consumer names

Microscopic observation, Amniotic fluid

Part names

ObservationPridPtAmnio fldNomGram stainPresence or IdentityPoint in time (spot)Amniotic 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.