LOINCBoth

LOINC Code 19129-6: Microscopic observation Biopsy cx Nom (Tiss)

19129-6 is a LOINC code used to identify Microscopic observation Biopsy cx Nom (Tiss) 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 Microscopic observation. It is commonly used with the system or sample type Tiss.

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 Microscopic observation. It is commonly used with the system or sample type Tiss.

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: DEPRECATED
  • Order vs observation: Both
  • Method: Biopsy culture

What it does not mean

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

Key facts

  • Deprecated Microscopic observation [Identifier] in Tissue by Biopsy culture
  • Microscopic observation
  • Bx; Bx Cult; C&S; Cult; Cultures; ID; Identity or presence; Infectious Disease; InfectiousDisease; Microbiology; Nominal; Point in time; Random; Tissue; Tissue, 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 Biopsy cx Nom (Tiss)Deprecated Microscopic observation [Identifier] in Tissue by Biopsy cultureDeprecated Biopsy Culture Smear TissMicroscopic observationMICROMicroscopic observation culture, TissuePrid

Frequently asked questions

Code details

Code19129-6
SystemLOINC
Display nameMicroscopic observation Biopsy cx Nom (Tiss)
DescriptionMicroscopic observation
Short nameDeprecated Biopsy Culture Smear Tiss
ComponentMicroscopic observation
PropertyPrid
TimingPt
System (specimen)Tiss
ScaleNom
MethodBiopsy culture
ClassMICRO
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.61

Consumer names

Microscopic observation culture, Tissue

Part names

Microscopic observationPridPtTissNomBiopsy culturePresence or IdentityPoint in time (spot)Tissue and Smears

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 19129-6 | HealthAssure