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Code System Concept

Code System Concept Code	90731001
Code System Concept Name	Posterior asynclitism (finding)
Code System Preferred Concept Name	Posterior asynclitism (finding)
Concept Status	Published
Concept Status Date	09/01/2025
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Superseded By Concept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	01/31/2002
SDO Date Created	01/31/2002
SDO Date Revised	01/31/2002
Description
Sequence

Extended Properties

No extended properties.

Concept Alternate Designations

SDO Designation ID	Concept Designation Description	Status	Designation Type	PHIN Preferred Term Flag	Code Flag
150357014	Posterior asynclitism	Active	Synonym	false	false
150357014	Posterior asynclitism	Active	Synonym	false	false

Associated Value Sets

Value Set Name	Version(s)
Clinical Finding (NNDSS)	2 , 1
Fetal Presentation at Birth- Cephalic (NCHS)	2 , 1
Non-vertex presentation in active phase of (NCHS)	1
Problem Value Set	3 , 2

Parent Concepts No parent concepts present.	Other Relationships No other relationships present.
Child Concepts No child concepts present.