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 30938-5: Haemophilus influenzae B dose count in combination vaccine

Name: LOINC Code 30938-5: Haemophilus influenzae B dose count in combination vaccine
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:17.662Z

30938-5 is a LOINC code used to identify Haemophilus influenzae B 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 Haemophilus influenzae B 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 Haemophilus influenzae B 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

Haemophilus influenzae B dose count in combination vaccine
Cnt; Count; H flu; H influenza; H influenzae; Haem influ; Haem influ B; Haemoph; HIB; HIB dose count in combo vaccine; Influ; Number; Point in time; QNT; Quan; Quant; Quantitative; Random

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

Haemophilus influenzae B dose count in combination vaccineHIB dose count in combo vaccineVACCINNumPt^PatientQn

Frequently asked questions

Code details

Code30938-5

SystemLOINC

Display nameHaemophilus influenzae B dose count in combination vaccine

Short nameHIB dose count in combo vaccine

ComponentHaemophilus influenzae B 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

Haemophilus influenzae B 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.