MCMedicalCodingSoftware
P56.9

P56.9: Hydrops fetalis due to other and unspecified hemolytic disease

Non-billable headerICD-10-CM

P56.9 is a non-billable header ICD-10-CM code for hydrops fetalis due to other and unspecified hemolytic disease. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above P56.9

A category’s note binds every code beneath it.

Written on P56: Hydrops fetalis due to hemolytic disease

  • hydrops fetalis NOS (P83.2)

Other codes that can never be billed with P56.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • P83Other conditions of integument specific to newborn

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead P56.9

2 child codes. Green means billable.

Other codes under P56

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.