R23.0 Cyanosis

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• acrocyanosis (I73.8)
• cyanotic attacks of newborn (P28.2)

MS-DRG index

Defines the logic of DRG(s) 947-948 in MDC 23.

Approximate ICD-9-CM (GEMs)

• 782.5 Cyanosis

Diagnosis Index entries for R23.0

• Change (s) (in) (of) › skin › cyanosis
• Cyanosis

Nearby codes

• R23 Other skin changes
• R23.0 Cyanosis (this code)
• R23.1 Pallor
• R23.2 Flushing
• R23.3 Spontaneous ecchymoses
• R23.4 Changes in skin texture
• R23.8 Other skin changes