LOINCActiveObservation

LOINC Code 4334-9: Midazolam (Dose) [Mass]

4334-9 is a LOINC code used to identify Midazolam (Dose) [Mass] 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 Midazolam. It is commonly used with the system or sample type Dose.

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 Midazolam. It is commonly used with the system or sample type Dose.

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

  • Midazolam [Mass] of Dose
  • Midazolam
  • Dose med or substance; DRUG DOSES; Point in time; QNT; Quan; Quant; Quantitative; Random; Versed

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

Midazolam (Dose) [Mass]Midazolam [Mass] of DoseMidazolam DoseMidazolamDRUGDOSEMassPt

Frequently asked questions

Code details

Code4334-9
SystemLOINC
Display nameMidazolam (Dose) [Mass]
DescriptionMidazolam
Short nameMidazolam Dose
ComponentMidazolam
PropertyMass
TimingPt
System (specimen)Dose
ScaleQn
ClassDRUGDOSE
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.69

Consumer names

Midazolam dose

Part names

MidazolamMassPtDoseQnPoint 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 4334-9 | HealthAssure