LOINC

LOINC Code 61533-6: How many years did you take Selenium [PhenX]

61533-6 is a LOINC code used to identify How many years did you take Selenium [PhenX] 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 How many Y did you take selenium. 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 How many Y did you take selenium. 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: TRIAL
  • Method: PhenX

What it does not mean

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

Key facts

  • How many years did you take Selenium [PhenX]
  • How many Y did you take selenium
  • Point in time; QNT; Quan; Quant; Quantitative; Random; SE; Years selenium

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

How many years did you take Selenium [PhenX]Years selenium PhenXHow many Y did you take seleniumPHENXTimePt^Patient

Frequently asked questions

Code details

Code61533-6
SystemLOINC
Display nameHow many years did you take Selenium [PhenX]
DescriptionHow many Y did you take selenium
Short nameYears selenium PhenX
ComponentHow many Y did you take selenium
PropertyTime
TimingPt
System (specimen)^Patient
ScaleQn
MethodPhenX
ClassPHENX
Example unitsyears
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.34
Last changed2.65

Part names

How many Y did you take seleniumTimePt^PatientQnPhenXHow many years did you take SeleniumTime (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 61533-6 | HealthAssure