2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Complications Of Pregnancy, Childbirth, And The Puerperium 630-677 > Complications Occurring Mainly In The Course Of Labor And Delivery 660-669 > Complications Of The Administration Of Anesthetic Or Other Sedation In Labor And Delivery 668.* > 2008 ICD-9-CM Diagnosis 668.1 Cardiac complications of anesthesia or other sedation in labor and delivery  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 Therefore, this code may be out of date.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 668.1 can be accessed here. 668.1 is a non-specific code that cannot be used to specify a diagnosis 668.1 contains 4 index entries View the ICD-9-CM Volume 1 668.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 668.1: Arrest, arrested cardiac 427.5 complicating anesthesia obstetric 668.1 Complications anesthesia, anesthetic NEC (see also Anesthesia, complication) 995.22 in labor and delivery 668.9 cardiac 668.1 sedation during labor and delivery 668.9 cardiac 668.1 Failure, failed heart (acute) (sudden) 428.9 complicating obstetric anesthesia or sedation 668.1