Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.
MS-DRG index
Defines the logic of DRG(s) 794 in MDC 15.
Approximate ICD-9-CM (GEMs)
771.3 Tetanus neonatorum
Medicare Code Edits (MCE v43.1 (April 2026))
Perinatal/Newborn diagnoses: Age conflict edit. These diagnoses occur only during the perinatal or newborn period, so the Medicare Code Editor flags them on any record where the patient is not age 0.
Code annotations containing back-references to A33
Back-references to A33
Type 1 Excludes: A35 Other tetanus ("tetanus neonatorum (A33)")
Type 2 Excludes: P37 Other congenital infectious and parasitic diseases ("tetanus neonatorum (A33)")
Type 1 Excludes: P38 Omphalitis of newborn ("tetanus omphalitis (A33)")
Back-references to A33
Type 1 Excludes: A35 Other tetanus ("tetanus neonatorum (A33)")
Type 2 Excludes: P37 Other congenital infectious and parasitic diseases ("tetanus neonatorum (A33)")
Type 1 Excludes: P38 Omphalitis of newborn ("tetanus omphalitis (A33)")