What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 94856-2: Microscopic observation spec 2 Acid fast stain Ql (Sput)

Name: LOINC Code 94856-2: Microscopic observation spec 2 Acid fast stain Ql (Sput)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:24.123Z

94856-2 is a LOINC code used to identify Microscopic observation spec 2 Acid fast stain Ql (Sput) 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^2nd specimen. It is commonly used with the system or sample type Sputum.

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^2nd specimen. It is commonly used with the system or sample type Sputum.

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: Acid fast stain

What it does not mean

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

Key facts

Microscopic observation [Presence] in Sputum by Acid fast stain --2nd specimen
Observation^2nd specimen
Acd; Acid fast Stn; Acids; AFB stain; Convalescent; ID; Infectious Disease; InfectiousDisease; Lower respiratory; Microbiology; Ordinal; Point in time; Post immunization; PR; QL; Qual; Qualitative; Random; Screen; Second; sp2; Spec; Spt; Sputum; 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 spec 2 Acid fast stain Ql (Sput)Microscopic observation [Presence] in Sputum by Acid fast stain --2nd specimenAcid fast Stn sp2 Spt QlObservation^2nd specimenMICROMicroscopic observation specimen 2, SputumPrThr

Frequently asked questions

Code details

Code94856-2

SystemLOINC

Display nameMicroscopic observation spec 2 Acid fast stain Ql (Sput)

DescriptionObservation^2nd specimen

Short nameAcid fast Stn sp2 Spt Ql

ComponentObservation^2nd specimen

PropertyPrThr

TimingPt

System (specimen)Sputum

ScaleOrd

MethodAcid fast stain

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.68

Last changed2.78

Consumer names

Microscopic observation specimen 2, Sputum

Part names

Observation^2nd specimenPrThrPtSputumOrdAcid fast stainPresence or ThresholdPoint 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.