P56 Hydrops fetalis due to hemolytic disease

Category / Non-billable header 4 subcodes

Block: Hemorrhagic and hematological disorders of newborn (P50-P61)

Excludes 1 (cannot be coded together)

  • hydrops fetalis NOS (P83.2)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
P56..0 Hydrops fetalis due to isoimmunization Yes
P56..9 Hydrops fetalis due to other and unspecified hemolytic disease No
P56..90 Hydrops fetalis due to unspecified hemolytic disease Yes
P56..99 Hydrops fetalis due to other hemolytic disease Yes

Last reviewed: September 2026