Code System Concept

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Code System Concept

Code System Concept Code	763803004
Code System Concept Name	Morvan syndrome (disorder)
Code System Preferred Concept Name	Morvan syndrome (disorder)
Concept Status	Published
Concept Status Date	09/01/2024
Code System Name	SNOMED-CT

Concept Relationships
Concept Details

Concept Details

Code System Code	PH_SNOMED-CT
Code System OID	2.16.840.1.113883.6.96
HL7 Table 0396 Code	SCT
Superseded By Concept
SDO Concept Status	Active
SDO Concept Status Date	07/31/2018
SDO Date Created	07/31/2018
SDO Date Revised	07/31/2018
Description	A rare life threatening acquired neurologic disease with characteristics of neuromyotonia, dysautonomia and encephalopathy with severe insomnia. Signs involving central (e.g. hallucinations, confusion, amnesia, myoclonus), autonomic (e.g. variations in blood pressure, hyperhidrosis) and peripheral (e.g. painful cramps, myokymia) hyperactivity, as well as systemic manifestations (such as weight loss, pruritus, fever), are reported. Thymoma is present in some cases.
Sequence

Extended Properties

No extended properties.

Concept Alternate Designations

SDO Designation ID	Concept Designation Description	Status	Designation Type	PHIN Preferred Term Flag	Code Flag
3644053016	Morvan syndrome	Active	Synonym	false	false
3644055011	Limbic encephalitis, neuromyotonia, hyperhidrosis, polyneuropathy syndrome	Active	Synonym	false	false
3644056012	Morvan fibrillary chorea	Active	Synonym	false	false

Associated Value Sets

Value Set Name	Version(s)
Clinical Finding (NNDSS)	1
Disease	10 , 9 , 8
Problem Value Set	3

Parent Concepts Parent Concepts Parent/Child (Relationship Type) Disorder of brain (disorder) {81308009 , SNOMED-CT } Movement disorder (disorder) {60342002 , SNOMED-CT } Peripheral nerve disease (disorder) {302226006 , SNOMED-CT }	Other Relationships No other relationships present.
Child Concepts No child concepts present.

Page last reviewed:June 20, 2024
Page last updated:June 20, 2024
Content source:
- Centers for Disease Control and Prevention,