2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Supplementary Classification Of Factors Influencing Health Status And Contact With Health Services V01-V86 > Persons With Potential Health Hazards Related To Personal And Family History V10-V19 > Personal History Of Other Diseases V13.* > 2008 ICD-9-CM Diagnosis V13.21 Personal history of pre-term labor  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM V13.21 can be accessed here. V13.21 is a specific code that can be used to specify a diagnosis V13.21 contains 5 index entries View the ICD-9-CM Volume 1 V13.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. V13.21 excludes: current pregnancy with history of pre-term labor (V23.41) Index entries containing V13.21: History (personal) of disorder (of) V13.9 obstetric V13.29 pre-term labor V13.21 genital system disorder V13.29 pre-term labor V13.21 obstetric disorder V13.29 pre-term labor V13.21 poor obstetric V13.29 pre-term labor V13.21 Poor obstetrical history V13.29 pre-term labor V13.21