P56.9

ICD-10Non-billable category

Hydrops fetalis due to other and unsp hemolytic disease

Official ICD-10-CM descriptor (FY2026)

Hydrops fetalis due to other and unspecified hemolytic disease

P56.9 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.

ICD-10-CM FY2026 defines 2 codes beneath P56.9. See the ICD-10-CM index for what this site publishes.

Related codes in P56

P56.0Hydrops fetalis due to isoimmunization

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.