P19

ICD-10Non-billable category

Metabolic acidemia in newborn

Official ICD-10-CM descriptor (FY2026)

Metabolic acidemia in newborn

P19 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Includes

metabolic acidemia in newborn

More specific codes under P19

Where this code sits

Chapter: 16. Certain conditions originating in the perinatal period (P00-P96)
Block: Respiratory and cardiovascular disorders specific to the perinatal period (P19-P29)

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.