LOINCActiveObservation

LOINC Code 104804-0: Medication substitution criterion Medication Narrative

104804-0 is a LOINC code used to identify Medication substitution criterion Medication Narrative 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 Medication substitution criterion. It is commonly used with the system or sample type Medication.

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 Medication substitution criterion. It is commonly used with the system or sample type Medication.

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

  • Medication substitution criterion Medication Narrative
  • Medication substitution criterion
  • The attributes that need to exist prior to the allowance of a substitute medication.
  • Finding; Findings; Med; Med substitution criterion; MEDS; Narrative; Point in time; Random; Report

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

Medication substitution criterion Medication NarrativeMed substitution criterion MedicationMedication substitution criterionMEDSFindPtMedication

Frequently asked questions

Code details

Code104804-0
SystemLOINC
Display nameMedication substitution criterion Medication Narrative
DescriptionMedication substitution criterion
Short nameMed substitution criterion Medication
ComponentMedication substitution criterion
PropertyFind
TimingPt
System (specimen)Medication
ScaleNar
ClassMEDS
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.78

Part names

Medication substitution criterionFindPtMedicationNarFindingPoint 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.

LOINC Code 104804-0 | HealthAssure