LOINC

LOINC Code 63991-4: Does anyone else in the family use toothpaste with fluoride [PhenX]

63991-4 is a LOINC code used to identify Does anyone else in the family use toothpaste with fluoride [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 Does anyone else in the family use toothpaste with fluoride. 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 Does anyone else in the family use toothpaste with fluoride. 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

  • Does anyone else in the family use toothpaste with fluoride [PhenX]
  • Does anyone else in the family use toothpaste with fluoride
  • Finding; Findings; Fl; More fam use toothpaste fluoride; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen

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

Does anyone else in the family use toothpaste with fluoride [PhenX]More fam use toothpaste fluoride PhenXDoes anyone else in the family use toothpaste with fluoridePHENXFindPt^Patient

Frequently asked questions

Code details

Code63991-4
SystemLOINC
Display nameDoes anyone else in the family use toothpaste with fluoride [PhenX]
DescriptionDoes anyone else in the family use toothpaste with fluoride
Short nameMore fam use toothpaste fluoride PhenX
ComponentDoes anyone else in the family use toothpaste with fluoride
PropertyFind
TimingPt
System (specimen)^Patient
ScaleOrd
MethodPhenX
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.65

Part names

Does anyone else in the family use toothpaste with fluorideFindPt^PatientOrdPhenXFindingPoint 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 63991-4 | HealthAssure