R29.810 Facial weakness

Billable ICD-10-CM code, FY2026.

Applicable to

• Facial droop

Excludes1 (never code together)

• Bell's palsy (G51.0)
• facial weakness following cerebrovascular disease (I69. with final characters -92)

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 781.94 Facial weakness

Diagnosis Index entries for R29.810

• Droop › facial
• Weak, weakening, weakness (generalized) › facial

Nearby codes

• R29.740 NIHSS score 40
• R29.741 NIHSS score 41
• R29.742 NIHSS score 42
• R29.8 Other symptoms and signs involving the nervous and musculoskeletal systems
• R29.81 Other symptoms and signs involving the nervous system
• R29.810 Facial weakness (this code)
• R29.818 Other symptoms and signs involving the nervous system
• R29.89 Other symptoms and signs involving the musculoskeletal system
• R29.890 Loss of height
• R29.891 Ocular torticollis
• R29.898 Other symptoms and signs involving the musculoskeletal system