P56.0
Billable codeHydrops fetalis due to isoimmunization
The ICD-10 code for hydrops fetalis due to isoimmunization is P56.0.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- P56.9Hydrops fetalis due to other and unspecified hemolytic diseasenon-billable header
- P56.0Hydrops fetalis due to isoimmunization
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7733Approximate match
Associated MS-DRGs
P56.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.