P74.421
P74.421: Hyperchloremia of newborn
Billable / specific codeICD-10-CM
P74.421 is a billable, specific ICD-10-CM code for hyperchloremia of newborn. It is valid for submission on a claim.
Check P74.421 with the rest of the claim: free scrubberExcludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- late metabolic acidosis of the newborn (P74.0)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Hyperchloremic metabolic acidosis
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Acidosis›metabolic NEC›hyperchloremic, of newborn
- Disturbance›electrolyte›newborn, transitory›hyperchloremia
- Disturbance›electrolyte›newborn, transitory›hyperchloremic metabolic acidosis
Code history
Unchanged in every release from FY2024 to FY2027.