LOINCActiveObservation

LOINC Code 30939-3: Measles virus dose count in combination vaccine

30939-3 is a LOINC code used to identify Measles virus dose count in combination vaccine 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 Measles virus dose count in combination vaccine. 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 Measles virus dose count in combination vaccine. 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

What it does not mean

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

Key facts

  • Measles virus dose count in combination vaccine
  • Cnt; Count; ID; Infectious Disease; InfectiousDisease; MeV; MeV dose count in combo vaccine; Msls; Number; Point in time; QNT; Quan; Quant; Quantitative; Random; Rubeola

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

Measles virus dose count in combination vaccineMeV dose count in combo vaccineVACCINNumPt^PatientQn

Frequently asked questions

Code details

Code30939-3
SystemLOINC
Display nameMeasles virus dose count in combination vaccine
Short nameMeV dose count in combo vaccine
ComponentMeasles virus dose count in combination vaccine
PropertyNum
TimingPt
System (specimen)^Patient
ScaleQn
ClassVACCIN
Example units#
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.48

Part names

Measles virus dose count in combination vaccineNumPt^PatientQnNumber (count)Point 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 30939-3 | HealthAssure