P74.421
BillableHyperchloremia of newborn
P74.421 is the ICD-10-CM code for Hyperchloremia of newborn. It is a billable, specific code valid for reimbursement.
P00-P96 Certain conditions originating in the perinatal period
What this means — in plain language
MedlinePlus · NIHWhat are electrolytes? Electrolytes are minerals that have an electric charge when they are dissolved in water or body fluids, including blood. The electric charge can be positive or negative. You have electrolytes in your blood, urine (pee), tissues, and other body fluids. Electrolytes are important because they help: Balance the amount of water in your body Balance your body's acid/base (pH) level Move nutrients…
Read more about Fluid and Electrolyte Balance at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Hyperchloremic metabolic acidosis
Excludes2 — not included here
- •late metabolic acidosis of the newborn (P74.0)
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition