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.

LOINCActiveObservation

LOINC Code 79546-8: Fluid intake enteral tube nutritional formula [Volume] Measured

Name: LOINC Code 79546-8: Fluid intake enteral tube nutritional formula [Volume] Measured
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:01.837Z

79546-8 is a LOINC code used to identify Fluid intake enteral tube nutritional formula [Volume] Measured 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 Fluid intake.enteral tube.nutritional formula. It is commonly used with the system or sample type Upper GI tract.

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 Fluid intake.enteral tube.nutritional formula. It is commonly used with the system or sample type Upper GI tract.

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
Method: Measured

What it does not mean

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

Key facts

Fluid intake enteral tube nutritional formula [Volume] Measured
Fluid intake.enteral tube.nutritional formula
Fld; Fld int Entertube nutr frm; Fluid intake enteral tube; IO_INTAKE; IO_INTAKE.MOLEC; Point in time; QNT; Quan; Quant; Quantitative; Random; UGI; Up; Upr GI Tract; Volume

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

Fluid intake enteral tube nutritional formula [Volume] MeasuredFluid in enteral tube nutr form Vol MeasFluid intake.enteral tube.nutritional formulaIO_IN.MOLECVolPtUpper GI tract

Frequently asked questions

Code details

Code79546-8

SystemLOINC

Display nameFluid intake enteral tube nutritional formula [Volume] Measured

DescriptionFluid intake.enteral tube.nutritional formula

Short nameFluid in enteral tube nutr form Vol Meas

ComponentFluid intake.enteral tube.nutritional formula

PropertyVol

TimingPt

System (specimen)Upper GI tract

ScaleQn

MethodMeasured

ClassIO_IN.MOLEC

Example unitsmL

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.54

Part names

Fluid intake.enteral tube.nutritional formulaVolPtUpper GI tractQnMeasuredVolumePoint 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.