P74.3 – Disturbances of potassium balance of newborn
ICD-10-CM 2027 diagnosis code · Transitory endocrine and metabolic disorders specific to newborn
- Code
P74.3(claims format:P743)- Description
- Disturbances of potassium balance of newborn
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 16. Certain conditions originating in the perinatal period (P00-P96)
- Block
- P70-P74 Transitory endocrine and metabolic disorders specific to newborn
- Parent codes
- P74
Billable codes under P74.3
P74.3 is a header code and cannot be used on claims. Choose the most specific code:
- P74.31 – Hyperkalemia of newbornBillable
- P74.32 – Hypokalemia of newbornBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block P70-P74
- transitory endocrine and metabolic disturbances caused by the infant's response to maternal endocrine and metabolic factors, or its adjustment to extrauterine environment
Related codes in P74
- P74.0 – Late metabolic acidosis of newbornBillable
- P74.1 – Dehydration of newbornBillable
- P74.2 – Disturbances of sodium balance of newbornHeader
- P74.4 – Other transitory electrolyte disturbances of newbornHeader
- P74.5 – Transitory tyrosinemia of newbornBillable
- P74.6 – Transitory hyperammonemia of newbornBillable
- P74.8 – Other transitory metabolic disturbances of newbornBillable
- P74.9 – Transitory metabolic disturbance of newborn, unspecifiedBillable
Frequently asked questions
What is ICD-10 code P74.3?
P74.3 is the ICD-10-CM code for disturbances of potassium balance of newborn, in the block P70-P74 (Transitory endocrine and metabolic disorders specific to newborn).
Is P74.3 a billable code?
No. P74.3 is a header code with more specific child codes; report one of the billable codes listed above.
What category does P74.3 belong to?
It belongs to category P74 – Other transitory neonatal electrolyte and metabolic disturbances.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.