ICD-10-CM > R00-R99 > R25-R29 > R29 > R29.8 > R29.81 > R29.810 R29.810 Facial weakness Billable/Specific Copy Code Copy Description Applicable To Facial droop Type 1 Excludes Bell's palsy (G51.0)facial weakness following cerebrovascular disease (I69. with final characters -92)