P72.1

ICD-10Billable

Transitory neonatal hyperthyroidism

Official ICD-10-CM descriptor (FY2026)

Transitory neonatal hyperthyroidism

P72.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Neonatal thyrotoxicosis

Related codes in P72

Where this code sits

Chapter: 16. Certain conditions originating in the perinatal period (P00-P96)
Block: Transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Parent code: P72

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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.