2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Inflammatory Diseases Of The Central Nervous System 320-327 > Organic Sleep Disorders 327.* > 2008 ICD-9-CM Diagnosis 327.51 Periodic limb movement disorder  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 Therefore, this code may be out of date.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 327.51 can be accessed here. 327.51 is a specific code that can be used to specify a diagnosis 327.51 contains 4 index entries View the ICD-9-CM Volume 1 327.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 327.51 also known as: Periodic limb movement sleep disorder Index entries containing 327.51: Disorder - see also Disease movement NEC 333.90 periodic limb 327.51 periodic limb movement 327.51 sleep 780.50 periodic limb movement 327.51 Periodic - see also condition limb movement disorder 327.51