P56.0

ICD-10Billable

Hydrops fetalis due to isoimmunization

Official ICD-10-CM descriptor (FY2026)

Hydrops fetalis due to isoimmunization

P56.0 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in P56

P56.9Hydrops fetalis due to other and unsp hemolytic diseasecategory

Where this code sits

Chapter: 16. Certain conditions originating in the perinatal period (P00-P96)
Block: Hemorrhagic and hematological disorders of newborn (P50-P61)
Parent code: P56

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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.