Code System Concept

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Code System Concept

Code System Concept Code	723623002
Code System Concept Name	Southeast Asian ovalocytosis (disorder)
Code System Preferred Concept Name	Southeast Asian ovalocytosis (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Superseded By Concept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	07/31/2017
SDO Date Created	07/31/2017
SDO Date Revised	07/31/2017
Description	A rare hereditary red cell membrane defect characterised by the presence of oval-shaped erythrocytes. Most patients are asymptomatic or occasionally have mild symptoms such as pallor, jaundice, anaemia and gallstones. The disease is common in Southeast Asian and Western Pacific countries and can occur at any age. Results from a 27 bp deletion in the SLC4A1 gene, localised on chromosome 17q21.31 (SLC4A1del27 mutation). This gene codes for a band 3 anion transport protein which is the bicarbonate/chloride exchanger in red blood cell membranes and defects in this protein cause membrane rigidity. The disease follows an autosomal dominant pattern of inheritance.
Sequence

Extended Properties

No extended properties.

Concept Alternate Designations

SDO Designation ID	Concept Designation Description	Status	Designation Type	PHIN Preferred Term Flag	Code Flag
3425308019	Southeast Asian ovalocytosis	Active	Synonym	false	false
3425309010	Melanesian ovalocytosis	Active	Synonym	false	false
3425310017	Stomatocytic elliptocytosis	Active	Synonym	false	false

Associated Value Sets

Value Set Name	Version(s)
Clinical Finding (NNDSS)	2 , 1
Disease	10 , 9 , 8 , 7
Problem Value Set	3

Parent Concepts Parent Concepts Parent/Child (Relationship Type) Autosomal dominant hereditary disorder (disorder) {11164009 , SNOMED-CT } Erythrocyte enzyme deficiency (disorder) {234401000 , SNOMED-CT } Hereditary red blood cell disorder (disorder) {414394009 , SNOMED-CT } Hereditary stomatocytosis (disorder) {14087004 , SNOMED-CT } Stomatocytosis (disorder) {3272007 , 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,