R05.4 Cough syncope

Billable ICD-10-CM code, FY2026.

Code first

• syncope and collapse (R55)

Applies from R05 Cough

Excludes1 (never code together)

• paroxysmal cough due to Bordetella pertussis (A37.0-)
• smoker's cough (J41.0)

Excludes2 (not included here)

• cough with hemorrhage (R04.2)

MS-DRG index

Defines the logic of DRG(s) 204 in MDC 04.

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Diagnosis Index entries for R05.4

• Cough (affected) (epidemic) (nervous) › syncope
• Syncope (near) (pre-) › laryngeal
• Vertigo › laryngeal

Nearby codes

• R05 Cough
• R05.1 Acute cough
• R05.2 Subacute cough
• R05.3 Chronic cough
• R05.4 Cough syncope (this code)
• R05.8 Other specified cough
• R05.9 Cough, unspecified