ICD-10-CM · Chapter 16 · P00–P96
P74.21
Hypernatremia of newborn
Certain conditions originating in the perinatal period
Quick facts
- Code
- P74.21
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 16 — Certain conditions originating in the perinatal period
- Category
- P74 — Other transitory neonatal electrolyte and metabolic disturbances
- Specificity
- 5 characters
How coders use this code
ICD-10-CM P74.21 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of hypernatremia of newborn. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in P74
- P74Other transitory neonatal electrolyte and metabolic disturbances
- P74.0Late metabolic acidosis of newborn
- P74.1Dehydration of newborn
- P74.2Disturbances of sodium balance of newborn
- P74.22Hyponatremia of newborn
- P74.3Disturbances of potassium balance of newborn
- P74.31Hyperkalemia of newborn
- P74.32Hypokalemia of newborn
- P74.4Other transitory electrolyte disturbances of newborn
- P74.41Alkalosis of newborn
- P74.42Disturbances of chlorine balance of newborn
- P74.421Hyperchloremia of newborn
- P74.422Hypochloremia of newborn
- P74.49Other transitory electrolyte disturbance of newborn
- P74.5Transitory tyrosinemia of newborn
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