10ICD Code Hub

P56

Header — not billable

Hydrops fetalis due to hemolytic disease

The ICD-10 code for hydrops fetalis due to hemolytic disease is P56.

P56 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.

Clinical notes

Excludes1 (not coded here)

An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).

  • hydrops fetalis NOS (P83.2)

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under P56

Related codes in this category