Value Set and Code System Information
Code System Name SNOMED-CT
Value Set Code PHVS_PregnancyRiskFactors_NCHS
Value Set Name Pregnancy Risk Factors (NCHS)
Value Set Version 2
Value Set Concept Details
Concept Code 161765003
Preferred Concept Name Previous preterm birth
Value Set Concept Status Published
Value Set Concept Status Date 03/16/2015
Value Set Concept Description
Sequence 6
Code System Concept Details
Code System Concept Name Past pregnancy history of premature delivery (situation)
Code System Concept Status Published
Code System Preferred Concept Name Past pregnancy history of premature delivery (situation)
Date Created 01/31/2002
Date Revised 07/31/2004
Associated Value Sets
Value Set Name Version(s)
Pregnancy Risk Factors (NCHS)  2 ,  1 
Preterm Birth (NCHS)  2 
Problem Value Set  3 ,  2 ,  1 
Situation with Explicit Context  5 ,  4 ,  3 ,  2 ,  1