P74.6
Transitory hyperammonemia of newborn
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 5 never code together
P00-P96chapter
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
P70-P74block
Includes
- transitory endocrine and metabolic disturbances caused by the infant's response to maternal endocrine and metabolic factors, or its adjustment to extrauterine environment
P00-P96chapter
Notes
- Codes from this chapter are for use on newborn records only, never on maternal records
Includes
- conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later
Index entries leading here 1
Alongside this code 8 same parent — P74
P74.0 Late metabolic acidosis of newborn P74.1 Dehydration of newborn P74.2 Disturbances of sodium balance of newborn category P74.3 Disturbances of potassium balance of newborn category P74.4 Other transitory electrolyte disturbances of newborn category P74.5 Transitory tyrosinemia of newborn P74.8 Other transitory metabolic disturbances of newborn P74.9 Transitory metabolic disturbance of newborn, unspecified
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.