LOINCActiveObservation

LOINC Code 80464-1: Protein servings 24 hour Measured

80464-1 is a LOINC code used to identify Protein servings 24 hour 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 Protein servings. It is commonly used with the system or sample type ^Patient.

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 Protein servings. It is commonly used with the system or sample type ^Patient.

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

  • Protein servings 24 hour Measured
  • Protein servings
  • This is a study where the subject's actual protein-based foods intake is measured. This term was created for, but not limited in use to, the Academy of Nutrition and Dietetics' Nutrition Assessment Language.
  • 1 day; 24 hours; 24HR; Count/time; Diet; Dietetics; nRate; Number rate; Number Rate = Count/Time; Nutrition; PR; Prot; QNT; Quan; Quant; Quantitative

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

Protein servings 24 hour MeasuredProtein servings 24h nRate MeasuredProtein servingsNUTRITION&DIETETICSNRat24H^Patient

Frequently asked questions

Code details

Code80464-1
SystemLOINC
Display nameProtein servings 24 hour Measured
DescriptionProtein servings
Short nameProtein servings 24h nRate Measured
ComponentProtein servings
PropertyNRat
Timing24H
System (specimen)^Patient
ScaleQn
MethodMeasured
ClassNUTRITION&DIETETICS
Example units/d
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.54

Part names

Protein servingsNRat24H^PatientQnMeasuredNumber Rate24 hours

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 80464-1 | HealthAssure