preterm labor dx code
Threatened premature labor. 1  There are 2 ICD-9-CM codes below 644.0 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim. 2  You are viewing the 2012 version of ICD-9-CM 644.0. 3  More recent version(s) of ICD-9-CM 644.0: 2013 2014 2015.