2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Open Wound Of Lower Limb 890-897 > 2008 ICD-9-CM Diagnosis 891 Open wound of knee leg (except thigh) and ankle  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 Therefore, this code may be out of date.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 891 can be accessed here. 891 is a non-specific code that cannot be used to specify a diagnosis ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 891 includes: leg NOS multiple sites of leg, except thigh 891 excludes: that of thigh (890.0-890.2) with multiple sites of lower limb (894.0-894.2)