LOINC

LOINC Code 61477-6: Deprecated PhenX measure - caffeine intake

61477-6 is a LOINC code used to identify Deprecated PhenX measure - caffeine intake 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 PhenX measure - caffeine intake. 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 PhenX measure - caffeine intake. 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: DEPRECATED
  • Method: PhenX

What it does not mean

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

Key facts

  • Deprecated PhenX measure - caffeine intake
  • PhenX measure - caffeine intake
  • A measure to estimate an individual's caffeine intake. There are functional and health effects associated with caffeine consumption. Some of these include promoting enhanced energy expenditure for weight loss, slowing early memory loss, keeping alert, and preventing fatigue. Epidemiological and experimental studies have shown positive effects associated with caffeine consumption, especially from regular coffee-drinking, on various aspects of health, such as psychoactive responses (alertness, mood change), neurological (infant hyperactivity, Alzheimer's and Parkinson's diseases) and metabolic disorders (diabetes, gallstones, liver cirrhosis), and gonad and liver function.
  • CAFFN; Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; 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

Deprecated PhenX measure - caffeine intakePhenX measure - caffeine intakePANEL.PHENX-Pt^PatientPhenX

Frequently asked questions

Code details

Code61477-6
SystemLOINC
Display nameDeprecated PhenX measure - caffeine intake
DescriptionPhenX measure - caffeine intake
ComponentPhenX measure - caffeine intake
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodPhenX
ClassPANEL.PHENX
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.34
Last changed2.46

Part names

PhenX measure - caffeine intake-Pt^PatientPhenXPoint 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 61477-6 | HealthAssure