NIH Common Data Elements (CDE) Repository

Value	Code Name	Code	Code System
1	6 months or less	LA14436-2	LOINC
2	More than 6 months, but not more than 1 year ago	LA14437-0	LOINC
3	More than 2 years, but not more than 3 years ago	LA14439-6	LOINC
4	More than 1 year, but not more than 2 years ago	LA14438-8	LOINC
5	More than 3 years, but not more than 5 years ago	LA14440-4	LOINC
6	More than 5 years	LA14769-6	LOINC
7	Never have been	LA14442-0	LOINC
77	Refused	LA4389-8	LOINC
99	Don't know	LA12688-0	LOINC

Properties:

Key:

Related Names

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Related Codes

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Code System	Code	Code Text	Code Version
https://www.phenxtoolkit.org	PX081301010000	PX081301_Dentist_Last_Visit_Duration

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Fully-Specified Name

Value:

Component	Property	Time	System	Scale	Method
About how long has it been since you last visited a dentist	Time	Pt	^Patient	Qn	PhenX

Key:

Basic Attributes

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Class	Type	First Released	Last Updated	Change Reason
PHENX	Clinical	Version 2.36	Version 2.65	Updated the PhenX ID from "PhenX." to "PX" in Survey Question Source field to align with the variable identifier used in the PhenX Toolkit.

Key:: Third Party Copyright
Value:: This material includes SNOMED Clinical Terms® (SNOMED CT®) which is used by permission of the International Health Terminology Standards Development Organisation (IHTSDO) under license. All rights reserved. SNOMED CT® was originally created by The College of American Pathologists. "SNOMED" and "SNOMED CT" are registered trademarks of the IHTSDO. This material includes content from the US Edition to SNOMED CT, which is developed and maintained by the U.S. National Library of Medicine and is available to authorized UMLS Metathesaurus Licensees from the UTS Downloads site at https://uts.nlm.nih.gov. Use of SNOMED CT content is subject to the terms and conditions set forth in the SNOMED CT Affiliate License Agreement. It is the responsibility of those implementing this product to ensure they are appropriately licensed and for more information on the license, including how to register as an Affiliate Licensee, please refer to http://www.snomed.org/snomed-ct/get-snomed-ct or info@snomed.org<mailto:info@snomed.org>. This may incur a fee in SNOMED International non-Member countries.

Key:: LOINC Copyright
Value:: This material includes SNOMED Clinical Terms® (SNOMED CT®) which is used by permission of the International Health Terminology Standards Development Organisation (IHTSDO) under license. All rights reserved. SNOMED CT® was originally created by The College of American Pathologists. "SNOMED" and "SNOMED CT" are registered trademarks of the IHTSDO. This material includes content from the US Edition to SNOMED CT, which is developed and maintained by the U.S. National Library of Medicine and is available to authorized UMLS Metathesaurus Licensees from the UTS Downloads site at https://uts.nlm.nih.gov. Use of SNOMED CT content is subject to the terms and conditions set forth in the SNOMED CT Affiliate License Agreement. It is the responsibility of those implementing this product to ensure they are appropriately licensed and for more information on the license, including how to register as an Affiliate Licensee, please refer to http://www.snomed.org/snomed-ct/get-snomed-ct or info@snomed.org<mailto:info@snomed.org>. This may incur a fee in SNOMED International non-Member countries.