LOINCActive

LOINC Code 64664-6: Age when received human papillomavirus vaccination

64664-6 is a LOINC code used to identify Age when received human papillomavirus vaccination 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 Age when received human papillomavirus vaccination. 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 Age when received human papillomavirus vaccination. 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

What it does not mean

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

Key facts

  • Age when received human papillomavirus vaccination
  • Age when received HPV vaccine; Immunizations; Point in time; QNT; Quan; Quant; Quantitative; Random; Vaccine

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

Age when received human papillomavirus vaccinationAge when received HPV vaccineVACCINTimePt^PatientQn

Frequently asked questions

Code details

Code64664-6
SystemLOINC
Display nameAge when received human papillomavirus vaccination
Short nameAge when received HPV vaccine
ComponentAge when received human papillomavirus vaccination
PropertyTime
TimingPt
System (specimen)^Patient
ScaleQn
ClassVACCIN
Example unitsyears
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.68

Part names

Age when received human papillomavirus vaccinationTimePt^PatientQnTime (e.g. seconds)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 64664-6 | HealthAssure