P74.421

Billable
ChapterP00–P96
Ranksubcategory
Official Description

Hyperchloremia of newborn

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 16: Certain Conditions Originating in the Perinatal Period (P00-P96).

Instructional Notes

Includes
  • Hyperchloremic metabolic acidosis
Excludes2(Not included here. Code separately if applicable.)
  • late metabolic acidosis of the newborn (P74.0)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH16Certain conditions originating in the perinatal period (P00-P96)
P70-P74Transitory endocrine and metabolic disorders specific to newborn (P70-P74)
P74Other transitory neonatal electrolyte and metabolic disturbances
P74.4Other transitory electrolyte disturbances of newborn
P74.42Disturbances of chlorine balance of newborn
P74.421Hyperchloremia of newbornBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to P74.421:

blockP70-P74
Transitory endocrine and metabolic disorders specific to newborn (P70-P74)
View context instructions
chapterCH16
Certain conditions originating in the perinatal period (P00-P96)
View context instructions

Code History

  • FY 2018: This code replaced P74.4 (Other transitory electrolyte disturbances of newborn)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

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