LOINCActiveObservation

LOINC Code 57779-1: Disaccharidases Nar (Small intestine Tissue) [Interp]

57779-1 is a LOINC code used to identify Disaccharidases Nar (Small intestine Tissue) [Interp] 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 Disaccharidases. It is commonly used with the system or sample type Tsmi.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Disaccharidases. It is commonly used with the system or sample type Tsmi.

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: Observation

What it does not mean

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

Key facts

  • Disaccharidases [Interpretation] in Small intestine Tissue Narrative
  • Disaccharidases
  • Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Point in time; Random; Report; Tissue small intestine

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

Disaccharidases Nar (Small intestine Tissue) [Interp]Disaccharidases [Interpretation] in Small intestine Tissue NarrativeDisaccharidases TSMI-ImpDisaccharidasesCHEMInterpretation of Disaccharidases test result, Small intestine tissueImp

Frequently asked questions

Code details

Code57779-1
SystemLOINC
Display nameDisaccharidases Nar (Small intestine Tissue) [Interp]
DescriptionDisaccharidases
Short nameDisaccharidases TSMI-Imp
ComponentDisaccharidases
PropertyImp
TimingPt
System (specimen)Tsmi
ScaleNar
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.73

Consumer names

Interpretation of Disaccharidases test result, Small intestine tissue

Part names

DisaccharidasesImpPtTSMINarImpression/interpretation of studyPoint in time (spot)Small intestine Tissue

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 57779-1 | HealthAssure