ICD-10-CM > G00-G99 > G40-G47 > G47 > G47.6 G47.6 Sleep related movement disorders Non-Billable/Non-Specific Type 2 Excludes restless legs syndrome (G25.81) Codes G47.61Periodic limb movement disorderG47.62Sleep related leg crampsG47.63Sleep related bruxismG47.69Other sleep related movement disorders