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 > Trauma To Perineum And Vulva During Delivery 664.* > 2008 ICD-9-CM Diagnosis 664.6 Anal sphincter tear complicating delivery, not associated with third-degree perineal laceration  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 Therefore, this code may be out of date.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 664.6 can be accessed here. 664.6 is a specific code that can be used to specify a diagnosis 664.6 contains 7 index entries View the ICD-9-CM Volume 1 664.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 664.6 excludes: third-degree perineal laceration (664.2) Index entries containing 664.6: Delivery complicated (by) NEC 669.9 laceration 664.9 anus (sphincter) (healed) (old) 654.8 not associated with third-degree perineal laceration 664.6 sphincter ani (healed) (old) 654.8 not associated with third-degree perineal laceration 664.6 tear (pelvic organ) (see also Delivery, complicated, laceration) 664.9 anal sphincter (healed) (old) 654.8 not associated with third-degree perineal laceration 664.6 Laceration - see also Wound, open, by site anus (sphincter) 879.6 complicating delivery (healed) (old) 654.8 not associated with third-degree perineal laceration 664.6 perineum, perineal (old) (postpartal) 618.7 complicating delivery 664.4 anal sphincter (healed) (old) 654.8 not associated with third-degree perineal laceration 664.6 sphincter (anal) (healed) (old) 654.8 not associated with third-degree perineal laceration 664.6 Tear, torn (traumatic) - see also Wound, open, by site anus, anal (sphincter) 863.89 complicating delivery (healed) (old) 654.8 not associated with third-degree perineal laceration 664.6