P74.0 Late metabolic acidosis of newborn

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

Excludes1 (never code together)

• (fetal) metabolic acidosis of newborn (P19)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 775.7 Late metabolic acidosis of newborn

Code annotations containing back-references to P74.0

Back-references to P74.0

• Type 2 Excludes: P74.421 Hyperchloremia of newborn ("late metabolic acidosis of the newborn (P74.0)")
• Type 1 Excludes: P84 Other problems with newborn ("late metabolic acidosis of newborn (P74.0)")

Back-references to P74

• Type 2 Excludes: P00 Newborn affected by maternal conditions that may be unrelated to present pregnancy ("newborn affected by maternal endocrine and metabolic disorders (P70-P74)")

Diagnosis Index entries for P74.0

• Acidosis (lactic) › metabolic NEC › late, of newborn
• Newborn (infant) (liveborn) (singleton) › late metabolic acidosis

Nearby codes

• P74 Other transitory neonatal electrolyte and metabolic disturbances
• P74.0 Late metabolic acidosis of newborn (this code)
• P74.1 Dehydration of newborn
• P74.2 Disturbances of sodium balance of newborn
• P74.21 Hypernatremia of newborn
• P74.22 Hyponatremia of newborn
• P74.3 Disturbances of potassium balance of newborn