P94.0 Transient neonatal myasthenia gravis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes1 (never code together)

• myasthenia gravis (G70.0)

MS-DRG index

Defines the logic of DRG(s) 791 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 775.2 Neonatal myasthenia gravis (approximate)

Code annotations containing back-references to P94.0

Back-references to P94.0

• Type 1 Excludes: G70 Myasthenia gravis and other myoneural disorders ("transient neonatal myasthenia gravis (P94.0)")

Diagnosis Index entries for P94.0

• Myasthenia › gravis › neonatal, transient

Nearby codes

• P94 Disorders of muscle tone of newborn
• P94.0 Transient neonatal myasthenia gravis (this code)
• P94.1 Congenital hypertonia
• P94.2 Congenital hypotonia
• P94.8 Other disorders of muscle tone of newborn
• P94.9 Disorder of muscle tone of newborn, unspecified